pull-requests: allow to show range diff in pr view

rhodecode/apps/_base/__init__.py

@@ -1,679 +1,680 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2016-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import time
 import logging
 import operator
 
 from pyramid.httpexceptions import HTTPFound, HTTPForbidden, HTTPBadRequest
 
 from rhodecode.lib import helpers as h, diffs
 from rhodecode.lib.utils2 import (
     StrictAttributeDict, safe_int, datetime_to_time, safe_unicode)
 from rhodecode.lib.vcs.exceptions import RepositoryRequirementError
 from rhodecode.model import repo
 from rhodecode.model import repo_group
 from rhodecode.model import user_group
 from rhodecode.model import user
 from rhodecode.model.db import User
 from rhodecode.model.scm import ScmModel
 from rhodecode.model.settings import VcsSettingsModel
 
 log = logging.getLogger(__name__)
 
 
 ADMIN_PREFIX = '/_admin'
 STATIC_FILE_PREFIX = '/_static'
 
 URL_NAME_REQUIREMENTS = {
     # group name can have a slash in them, but they must not end with a slash
     'group_name': r'.*?[^/]',
     'repo_group_name': r'.*?[^/]',
     # repo names can have a slash in them, but they must not end with a slash
     'repo_name': r'.*?[^/]',
     # file path eats up everything at the end
     'f_path': r'.*',
     # reference types
     'source_ref_type': '(branch|book|tag|rev|\%\(source_ref_type\)s)',
     'target_ref_type': '(branch|book|tag|rev|\%\(target_ref_type\)s)',
 }
 
 
 def add_route_with_slash(config,name, pattern, **kw):
     config.add_route(name, pattern, **kw)
     if not pattern.endswith('/'):
         config.add_route(name + '_slash', pattern + '/', **kw)
 
 
 def add_route_requirements(route_path, requirements=None):
     """
     Adds regex requirements to pyramid routes using a mapping dict
     e.g::
         add_route_requirements('{repo_name}/settings')
     """
     requirements = requirements or URL_NAME_REQUIREMENTS
     for key, regex in requirements.items():
         route_path = route_path.replace('{%s}' % key, '{%s:%s}' % (key, regex))
     return route_path
 
 
 def get_format_ref_id(repo):
     """Returns a `repo` specific reference formatter function"""
     if h.is_svn(repo):
         return _format_ref_id_svn
     else:
         return _format_ref_id
 
 
 def _format_ref_id(name, raw_id):
     """Default formatting of a given reference `name`"""
     return name
 
 
 def _format_ref_id_svn(name, raw_id):
     """Special way of formatting a reference for Subversion including path"""
     return '%s@%s' % (name, raw_id)
 
 
 class TemplateArgs(StrictAttributeDict):
     pass
 
 
 class BaseAppView(object):
 
     def __init__(self, context, request):
         self.request = request
         self.context = context
         self.session = request.session
         if not hasattr(request, 'user'):
             # NOTE(marcink): edge case, we ended up in matched route
             # but probably of web-app context, e.g API CALL/VCS CALL
             if hasattr(request, 'vcs_call') or hasattr(request, 'rpc_method'):
                 log.warning('Unable to process request `%s` in this scope', request)
                 raise HTTPBadRequest()
 
         self._rhodecode_user = request.user  # auth user
         self._rhodecode_db_user = self._rhodecode_user.get_instance()
         self._maybe_needs_password_change(
             request.matched_route.name, self._rhodecode_db_user)
 
     def _maybe_needs_password_change(self, view_name, user_obj):
         log.debug('Checking if user %s needs password change on view %s',
                   user_obj, view_name)
         skip_user_views = [
             'logout', 'login',
             'my_account_password', 'my_account_password_update'
         ]
 
         if not user_obj:
             return
 
         if user_obj.username == User.DEFAULT_USER:
             return
 
         now = time.time()
         should_change = user_obj.user_data.get('force_password_change')
         change_after = safe_int(should_change) or 0
         if should_change and now > change_after:
             log.debug('User %s requires password change', user_obj)
             h.flash('You are required to change your password', 'warning',
                     ignore_duplicate=True)
 
             if view_name not in skip_user_views:
                 raise HTTPFound(
                     self.request.route_path('my_account_password'))
 
     def _log_creation_exception(self, e, repo_name):
         _ = self.request.translate
         reason = None
         if len(e.args) == 2:
             reason = e.args[1]
 
         if reason == 'INVALID_CERTIFICATE':
             log.exception(
                 'Exception creating a repository: invalid certificate')
             msg = (_('Error creating repository %s: invalid certificate')
                    % repo_name)
         else:
             log.exception("Exception creating a repository")
             msg = (_('Error creating repository %s')
                    % repo_name)
         return msg
 
     def _get_local_tmpl_context(self, include_app_defaults=True):
         c = TemplateArgs()
         c.auth_user = self.request.user
         # TODO(marcink): migrate the usage of c.rhodecode_user to c.auth_user
         c.rhodecode_user = self.request.user
 
         if include_app_defaults:
             from rhodecode.lib.base import attach_context_attributes
             attach_context_attributes(c, self.request, self.request.user.user_id)
 
         return c
 
     def _get_template_context(self, tmpl_args, **kwargs):
 
         local_tmpl_args = {
             'defaults': {},
             'errors': {},
             'c': tmpl_args
         }
         local_tmpl_args.update(kwargs)
         return local_tmpl_args
 
     def load_default_context(self):
         """
         example:
 
         def load_default_context(self):
             c = self._get_local_tmpl_context()
             c.custom_var = 'foobar'
 
             return c
         """
         raise NotImplementedError('Needs implementation in view class')
 
 
 class RepoAppView(BaseAppView):
 
     def __init__(self, context, request):
         super(RepoAppView, self).__init__(context, request)
         self.db_repo = request.db_repo
         self.db_repo_name = self.db_repo.repo_name
         self.db_repo_pull_requests = ScmModel().get_pull_requests(self.db_repo)
 
     def _handle_missing_requirements(self, error):
         log.error(
             'Requirements are missing for repository %s: %s',
             self.db_repo_name, safe_unicode(error))
 
     def _get_local_tmpl_context(self, include_app_defaults=True):
         _ = self.request.translate
         c = super(RepoAppView, self)._get_local_tmpl_context(
             include_app_defaults=include_app_defaults)
 
         # register common vars for this type of view
         c.rhodecode_db_repo = self.db_repo
         c.repo_name = self.db_repo_name
         c.repository_pull_requests = self.db_repo_pull_requests
         self.path_filter = PathFilter(None)
 
         c.repository_requirements_missing = {}
         try:
             self.rhodecode_vcs_repo = self.db_repo.scm_instance()
             if self.rhodecode_vcs_repo:
                 path_perms = self.rhodecode_vcs_repo.get_path_permissions(
                     c.auth_user.username)
                 self.path_filter = PathFilter(path_perms)
         except RepositoryRequirementError as e:
             c.repository_requirements_missing = {'error': str(e)}
             self._handle_missing_requirements(e)
             self.rhodecode_vcs_repo = None
 
         c.path_filter = self.path_filter  # used by atom_feed_entry.mako
 
         if self.rhodecode_vcs_repo is None:
             # unable to fetch this repo as vcs instance, report back to user
             h.flash(_(
                 "The repository `%(repo_name)s` cannot be loaded in filesystem. "
                 "Please check if it exist, or is not damaged.") %
                     {'repo_name': c.repo_name},
                     category='error', ignore_duplicate=True)
             if c.repository_requirements_missing:
                 route = self.request.matched_route.name
                 if route.startswith(('edit_repo', 'repo_summary')):
                     # allow summary and edit repo on missing requirements
                     return c
 
                 raise HTTPFound(
                     h.route_path('repo_summary', repo_name=self.db_repo_name))
 
             else:  # redirect if we don't show missing requirements
                 raise HTTPFound(h.route_path('home'))
 
         return c
 
     def _get_f_path_unchecked(self, matchdict, default=None):
         """
         Should only be used by redirects, everything else should call _get_f_path
         """
         f_path = matchdict.get('f_path')
         if f_path:
             # fix for multiple initial slashes that causes errors for GIT
             return f_path.lstrip('/')
 
         return default
 
     def _get_f_path(self, matchdict, default=None):
         f_path_match = self._get_f_path_unchecked(matchdict, default)
         return self.path_filter.assert_path_permissions(f_path_match)
 
     def _get_general_setting(self, target_repo, settings_key, default=False):
         settings_model = VcsSettingsModel(repo=target_repo)
         settings = settings_model.get_general_settings()
         return settings.get(settings_key, default)
 
 
 class PathFilter(object):
 
     # Expects and instance of BasePathPermissionChecker or None
     def __init__(self, permission_checker):
         self.permission_checker = permission_checker
 
     def assert_path_permissions(self, path):
         if path and self.permission_checker and not self.permission_checker.has_access(path):
             raise HTTPForbidden()
         return path
 
     def filter_patchset(self, patchset):
         if not self.permission_checker or not patchset:
             return patchset, False
         had_filtered = False
         filtered_patchset = []
         for patch in patchset:
             filename = patch.get('filename', None)
             if not filename or self.permission_checker.has_access(filename):
                 filtered_patchset.append(patch)
             else:
                 had_filtered = True
         if had_filtered:
             if isinstance(patchset, diffs.LimitedDiffContainer):
                 filtered_patchset = diffs.LimitedDiffContainer(patchset.diff_limit, patchset.cur_diff_size, filtered_patchset)
             return filtered_patchset, True
         else:
             return patchset, False
 
     def render_patchset_filtered(self, diffset, patchset, source_ref=None, target_ref=None):
         filtered_patchset, has_hidden_changes = self.filter_patchset(patchset)
-        result = diffset.render_patchset(filtered_patchset, source_ref=source_ref, target_ref=target_ref)
+        result = diffset.render_patchset(
+            filtered_patchset, source_ref=source_ref, target_ref=target_ref)
         result.has_hidden_changes = has_hidden_changes
         return result
 
     def get_raw_patch(self, diff_processor):
         if self.permission_checker is None:
             return diff_processor.as_raw()
         elif self.permission_checker.has_full_access:
             return diff_processor.as_raw()
         else:
             return '# Repository has user-specific filters, raw patch generation is disabled.'
 
     @property
     def is_enabled(self):
         return self.permission_checker is not None
 
 
 class RepoGroupAppView(BaseAppView):
     def __init__(self, context, request):
         super(RepoGroupAppView, self).__init__(context, request)
         self.db_repo_group = request.db_repo_group
         self.db_repo_group_name = self.db_repo_group.group_name
 
     def _revoke_perms_on_yourself(self, form_result):
         _updates = filter(lambda u: self._rhodecode_user.user_id == int(u[0]),
                           form_result['perm_updates'])
         _additions = filter(lambda u: self._rhodecode_user.user_id == int(u[0]),
                             form_result['perm_additions'])
         _deletions = filter(lambda u: self._rhodecode_user.user_id == int(u[0]),
                             form_result['perm_deletions'])
         admin_perm = 'group.admin'
         if _updates and _updates[0][1] != admin_perm or \
            _additions and _additions[0][1] != admin_perm or \
            _deletions and _deletions[0][1] != admin_perm:
             return True
         return False
 
 
 class UserGroupAppView(BaseAppView):
     def __init__(self, context, request):
         super(UserGroupAppView, self).__init__(context, request)
         self.db_user_group = request.db_user_group
         self.db_user_group_name = self.db_user_group.users_group_name
 
 
 class UserAppView(BaseAppView):
     def __init__(self, context, request):
         super(UserAppView, self).__init__(context, request)
         self.db_user = request.db_user
         self.db_user_id = self.db_user.user_id
 
         _ = self.request.translate
         if not request.db_user_supports_default:
             if self.db_user.username == User.DEFAULT_USER:
                 h.flash(_("Editing user `{}` is disabled.".format(
                     User.DEFAULT_USER)), category='warning')
                 raise HTTPFound(h.route_path('users'))
 
 
 class DataGridAppView(object):
     """
     Common class to have re-usable grid rendering components
     """
 
     def _extract_ordering(self, request, column_map=None):
         column_map = column_map or {}
         column_index = safe_int(request.GET.get('order[0][column]'))
         order_dir = request.GET.get(
             'order[0][dir]', 'desc')
         order_by = request.GET.get(
             'columns[%s][data][sort]' % column_index, 'name_raw')
 
         # translate datatable to DB columns
         order_by = column_map.get(order_by) or order_by
 
         search_q = request.GET.get('search[value]')
         return search_q, order_by, order_dir
 
     def _extract_chunk(self, request):
         start = safe_int(request.GET.get('start'), 0)
         length = safe_int(request.GET.get('length'), 25)
         draw = safe_int(request.GET.get('draw'))
         return draw, start, length
 
     def _get_order_col(self, order_by, model):
         if isinstance(order_by, basestring):
             try:
                 return operator.attrgetter(order_by)(model)
             except AttributeError:
                 return None
         else:
             return order_by
 
 
 class BaseReferencesView(RepoAppView):
     """
     Base for reference view for branches, tags and bookmarks.
     """
     def load_default_context(self):
         c = self._get_local_tmpl_context()
 
 
         return c
 
     def load_refs_context(self, ref_items, partials_template):
         _render = self.request.get_partial_renderer(partials_template)
         pre_load = ["author", "date", "message"]
 
         is_svn = h.is_svn(self.rhodecode_vcs_repo)
         is_hg = h.is_hg(self.rhodecode_vcs_repo)
 
         format_ref_id = get_format_ref_id(self.rhodecode_vcs_repo)
 
         closed_refs = {}
         if is_hg:
             closed_refs = self.rhodecode_vcs_repo.branches_closed
 
         data = []
         for ref_name, commit_id in ref_items:
             commit = self.rhodecode_vcs_repo.get_commit(
                 commit_id=commit_id, pre_load=pre_load)
             closed = ref_name in closed_refs
 
             # TODO: johbo: Unify generation of reference links
             use_commit_id = '/' in ref_name or is_svn
 
             if use_commit_id:
                 files_url = h.route_path(
                     'repo_files',
                     repo_name=self.db_repo_name,
                     f_path=ref_name if is_svn else '',
                     commit_id=commit_id)
 
             else:
                 files_url = h.route_path(
                     'repo_files',
                     repo_name=self.db_repo_name,
                     f_path=ref_name if is_svn else '',
                     commit_id=ref_name,
                     _query=dict(at=ref_name))
 
             data.append({
                 "name": _render('name', ref_name, files_url, closed),
                 "name_raw": ref_name,
                 "date": _render('date', commit.date),
                 "date_raw": datetime_to_time(commit.date),
                 "author": _render('author', commit.author),
                 "commit": _render(
                     'commit', commit.message, commit.raw_id, commit.idx),
                 "commit_raw": commit.idx,
                 "compare": _render(
                     'compare', format_ref_id(ref_name, commit.raw_id)),
             })
 
         return data
 
 
 class RepoRoutePredicate(object):
     def __init__(self, val, config):
         self.val = val
 
     def text(self):
         return 'repo_route = %s' % self.val
 
     phash = text
 
     def __call__(self, info, request):
         if hasattr(request, 'vcs_call'):
             # skip vcs calls
             return
 
         repo_name = info['match']['repo_name']
         repo_model = repo.RepoModel()
 
         by_name_match = repo_model.get_by_repo_name(repo_name, cache=False)
 
         def redirect_if_creating(route_info, db_repo):
             skip_views = ['edit_repo_advanced_delete']
             route = route_info['route']
             # we should skip delete view so we can actually "remove" repositories
             # if they get stuck in creating state.
             if route.name in skip_views:
                 return
 
             if db_repo.repo_state in [repo.Repository.STATE_PENDING]:
                 repo_creating_url = request.route_path(
                     'repo_creating', repo_name=db_repo.repo_name)
                 raise HTTPFound(repo_creating_url)
 
         if by_name_match:
             # register this as request object we can re-use later
             request.db_repo = by_name_match
             redirect_if_creating(info, by_name_match)
             return True
 
         by_id_match = repo_model.get_repo_by_id(repo_name)
         if by_id_match:
             request.db_repo = by_id_match
             redirect_if_creating(info, by_id_match)
             return True
 
         return False
 
 
 class RepoForbidArchivedRoutePredicate(object):
     def __init__(self, val, config):
         self.val = val
 
     def text(self):
         return 'repo_forbid_archived = %s' % self.val
 
     phash = text
 
     def __call__(self, info, request):
         _ = request.translate
         rhodecode_db_repo = request.db_repo
 
         log.debug(
             '%s checking if archived flag for repo for %s',
             self.__class__.__name__, rhodecode_db_repo.repo_name)
 
         if rhodecode_db_repo.archived:
             log.warning('Current view is not supported for archived repo:%s',
                         rhodecode_db_repo.repo_name)
 
             h.flash(
                 h.literal(_('Action not supported for archived repository.')),
                 category='warning')
             summary_url = request.route_path(
                 'repo_summary', repo_name=rhodecode_db_repo.repo_name)
             raise HTTPFound(summary_url)
         return True
 
 
 class RepoTypeRoutePredicate(object):
     def __init__(self, val, config):
         self.val = val or ['hg', 'git', 'svn']
 
     def text(self):
         return 'repo_accepted_type = %s' % self.val
 
     phash = text
 
     def __call__(self, info, request):
         if hasattr(request, 'vcs_call'):
             # skip vcs calls
             return
 
         rhodecode_db_repo = request.db_repo
 
         log.debug(
             '%s checking repo type for %s in %s',
             self.__class__.__name__, rhodecode_db_repo.repo_type, self.val)
 
         if rhodecode_db_repo.repo_type in self.val:
             return True
         else:
             log.warning('Current view is not supported for repo type:%s',
                         rhodecode_db_repo.repo_type)
             return False
 
 
 class RepoGroupRoutePredicate(object):
     def __init__(self, val, config):
         self.val = val
 
     def text(self):
         return 'repo_group_route = %s' % self.val
 
     phash = text
 
     def __call__(self, info, request):
         if hasattr(request, 'vcs_call'):
             # skip vcs calls
             return
 
         repo_group_name = info['match']['repo_group_name']
         repo_group_model = repo_group.RepoGroupModel()
         by_name_match = repo_group_model.get_by_group_name(repo_group_name, cache=False)
 
         if by_name_match:
             # register this as request object we can re-use later
             request.db_repo_group = by_name_match
             return True
 
         return False
 
 
 class UserGroupRoutePredicate(object):
     def __init__(self, val, config):
         self.val = val
 
     def text(self):
         return 'user_group_route = %s' % self.val
 
     phash = text
 
     def __call__(self, info, request):
         if hasattr(request, 'vcs_call'):
             # skip vcs calls
             return
 
         user_group_id = info['match']['user_group_id']
         user_group_model = user_group.UserGroup()
         by_id_match = user_group_model.get(user_group_id, cache=False)
 
         if by_id_match:
             # register this as request object we can re-use later
             request.db_user_group = by_id_match
             return True
 
         return False
 
 
 class UserRoutePredicateBase(object):
     supports_default = None
 
     def __init__(self, val, config):
         self.val = val
 
     def text(self):
         raise NotImplementedError()
 
     def __call__(self, info, request):
         if hasattr(request, 'vcs_call'):
             # skip vcs calls
             return
 
         user_id = info['match']['user_id']
         user_model = user.User()
         by_id_match = user_model.get(user_id, cache=False)
 
         if by_id_match:
             # register this as request object we can re-use later
             request.db_user = by_id_match
             request.db_user_supports_default = self.supports_default
             return True
 
         return False
 
 
 class UserRoutePredicate(UserRoutePredicateBase):
     supports_default = False
 
     def text(self):
         return 'user_route = %s' % self.val
 
     phash = text
 
 
 class UserRouteWithDefaultPredicate(UserRoutePredicateBase):
     supports_default = True
 
     def text(self):
         return 'user_with_default_route = %s' % self.val
 
     phash = text
 
 
 def includeme(config):
     config.add_route_predicate(
         'repo_route', RepoRoutePredicate)
     config.add_route_predicate(
         'repo_accepted_types', RepoTypeRoutePredicate)
     config.add_route_predicate(
         'repo_forbid_when_archived', RepoForbidArchivedRoutePredicate)
     config.add_route_predicate(
         'repo_group_route', RepoGroupRoutePredicate)
     config.add_route_predicate(
         'user_group_route', UserGroupRoutePredicate)
     config.add_route_predicate(
         'user_route_with_default', UserRouteWithDefaultPredicate)
     config.add_route_predicate(
         'user_route', UserRoutePredicate)

rhodecode/apps/repository/tests/test_repo_commit_comments.py

@@ -1,314 +1,320 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import pytest
 
 from rhodecode.tests import TestController
 
 from rhodecode.model.db import (
     ChangesetComment, Notification, UserNotification)
 from rhodecode.model.meta import Session
 from rhodecode.lib import helpers as h
 
 
 def route_path(name, params=None, **kwargs):
     import urllib
 
     base_url = {
         'repo_commit': '/{repo_name}/changeset/{commit_id}',
         'repo_commit_comment_create': '/{repo_name}/changeset/{commit_id}/comment/create',
         'repo_commit_comment_preview': '/{repo_name}/changeset/{commit_id}/comment/preview',
         'repo_commit_comment_delete': '/{repo_name}/changeset/{commit_id}/comment/{comment_id}/delete',
     }[name].format(**kwargs)
 
     if params:
         base_url = '{}?{}'.format(base_url, urllib.urlencode(params))
     return base_url
 
 
 @pytest.mark.backends("git", "hg", "svn")
 class TestRepoCommitCommentsView(TestController):
 
     @pytest.fixture(autouse=True)
     def prepare(self, request, baseapp):
         for x in ChangesetComment.query().all():
             Session().delete(x)
         Session().commit()
 
         for x in Notification.query().all():
             Session().delete(x)
         Session().commit()
 
         request.addfinalizer(self.cleanup)
 
     def cleanup(self):
         for x in ChangesetComment.query().all():
             Session().delete(x)
         Session().commit()
 
         for x in Notification.query().all():
             Session().delete(x)
         Session().commit()
 
     @pytest.mark.parametrize('comment_type', ChangesetComment.COMMENT_TYPES)
     def test_create(self, comment_type, backend):
         self.log_user()
         commit = backend.repo.get_commit('300')
         commit_id = commit.raw_id
         text = u'CommentOnCommit'
 
         params = {'text': text, 'csrf_token': self.csrf_token,
                   'comment_type': comment_type}
         self.app.post(
             route_path('repo_commit_comment_create',
                        repo_name=backend.repo_name, commit_id=commit_id),
             params=params)
 
         response = self.app.get(
             route_path('repo_commit',
                        repo_name=backend.repo_name, commit_id=commit_id))
 
         # test DB
         assert ChangesetComment.query().count() == 1
         assert_comment_links(response, ChangesetComment.query().count(), 0)
 
         assert Notification.query().count() == 1
         assert ChangesetComment.query().count() == 1
 
         notification = Notification.query().all()[0]
 
         comment_id = ChangesetComment.query().first().comment_id
         assert notification.type_ == Notification.TYPE_CHANGESET_COMMENT
 
         author = notification.created_by_user.username_and_name
         sbj = '{0} left a {1} on commit `{2}` in the {3} repository'.format(
             author, comment_type, h.show_id(commit), backend.repo_name)
         assert sbj == notification.subject
 
         lnk = (u'/{0}/changeset/{1}#comment-{2}'.format(
             backend.repo_name, commit_id, comment_id))
         assert lnk in notification.body
 
     @pytest.mark.parametrize('comment_type', ChangesetComment.COMMENT_TYPES)
     def test_create_inline(self, comment_type, backend):
         self.log_user()
         commit = backend.repo.get_commit('300')
         commit_id = commit.raw_id
         text = u'CommentOnCommit'
         f_path = 'vcs/web/simplevcs/views/repository.py'
         line = 'n1'
 
         params = {'text': text, 'f_path': f_path, 'line': line,
                   'comment_type': comment_type,
                   'csrf_token': self.csrf_token}
 
         self.app.post(
             route_path('repo_commit_comment_create',
                        repo_name=backend.repo_name, commit_id=commit_id),
             params=params)
 
         response = self.app.get(
             route_path('repo_commit',
                        repo_name=backend.repo_name, commit_id=commit_id))
 
         # test DB
         assert ChangesetComment.query().count() == 1
         assert_comment_links(response, 0, ChangesetComment.query().count())
 
         if backend.alias == 'svn':
             response.mustcontain(
                 '''data-f-path="vcs/commands/summary.py" '''
-                '''id="a_c--ad05457a43f8"'''
+                '''id="a_c-300-ad05457a43f8"'''
             )
-        else:
+        if backend.alias == 'git':
             response.mustcontain(
                 '''data-f-path="vcs/backends/hg.py" '''
-                '''id="a_c--9c390eb52cd6"'''
+                '''id="a_c-883e775e89ea-9c390eb52cd6"'''
+            )
+
+        if backend.alias == 'hg':
+            response.mustcontain(
+                '''data-f-path="vcs/backends/hg.py" '''
+                '''id="a_c-e58d85a3973b-9c390eb52cd6"'''
             )
 
         assert Notification.query().count() == 1
         assert ChangesetComment.query().count() == 1
 
         notification = Notification.query().all()[0]
         comment = ChangesetComment.query().first()
         assert notification.type_ == Notification.TYPE_CHANGESET_COMMENT
 
         assert comment.revision == commit_id
 
         author = notification.created_by_user.username_and_name
         sbj = '{0} left a {1} on file `{2}` in commit `{3}` in the {4} repository'.format(
             author, comment_type, f_path, h.show_id(commit), backend.repo_name)
 
         assert sbj == notification.subject
 
         lnk = (u'/{0}/changeset/{1}#comment-{2}'.format(
             backend.repo_name, commit_id, comment.comment_id))
         assert lnk in notification.body
         assert 'on line n1' in notification.body
 
     def test_create_with_mention(self, backend):
         self.log_user()
 
         commit_id = backend.repo.get_commit('300').raw_id
         text = u'@test_regular check CommentOnCommit'
 
         params = {'text': text, 'csrf_token': self.csrf_token}
         self.app.post(
             route_path('repo_commit_comment_create',
                        repo_name=backend.repo_name, commit_id=commit_id),
             params=params)
 
         response = self.app.get(
             route_path('repo_commit',
                        repo_name=backend.repo_name, commit_id=commit_id))
         # test DB
         assert ChangesetComment.query().count() == 1
         assert_comment_links(response, ChangesetComment.query().count(), 0)
 
         notification = Notification.query().one()
 
         assert len(notification.recipients) == 2
         users = [x.username for x in notification.recipients]
 
         # test_regular gets notification by @mention
         assert sorted(users) == [u'test_admin', u'test_regular']
 
     def test_create_with_status_change(self, backend):
         self.log_user()
         commit = backend.repo.get_commit('300')
         commit_id = commit.raw_id
         text = u'CommentOnCommit'
         f_path = 'vcs/web/simplevcs/views/repository.py'
         line = 'n1'
 
         params = {'text': text, 'changeset_status': 'approved',
                   'csrf_token': self.csrf_token}
 
         self.app.post(
             route_path(
                 'repo_commit_comment_create',
                 repo_name=backend.repo_name, commit_id=commit_id),
             params=params)
 
         response = self.app.get(
             route_path('repo_commit',
                        repo_name=backend.repo_name, commit_id=commit_id))
 
         # test DB
         assert ChangesetComment.query().count() == 1
         assert_comment_links(response, ChangesetComment.query().count(), 0)
 
         assert Notification.query().count() == 1
         assert ChangesetComment.query().count() == 1
 
         notification = Notification.query().all()[0]
 
         comment_id = ChangesetComment.query().first().comment_id
         assert notification.type_ == Notification.TYPE_CHANGESET_COMMENT
 
         author = notification.created_by_user.username_and_name
         sbj = '[status: Approved] {0} left a note on commit `{1}` in the {2} repository'.format(
             author, h.show_id(commit), backend.repo_name)
         assert sbj == notification.subject
 
         lnk = (u'/{0}/changeset/{1}#comment-{2}'.format(
             backend.repo_name, commit_id, comment_id))
         assert lnk in notification.body
 
     def test_delete(self, backend):
         self.log_user()
         commit_id = backend.repo.get_commit('300').raw_id
         text = u'CommentOnCommit'
 
         params = {'text': text, 'csrf_token': self.csrf_token}
         self.app.post(
             route_path(
                 'repo_commit_comment_create',
                 repo_name=backend.repo_name, commit_id=commit_id),
             params=params)
 
         comments = ChangesetComment.query().all()
         assert len(comments) == 1
         comment_id = comments[0].comment_id
 
         self.app.post(
             route_path('repo_commit_comment_delete',
                        repo_name=backend.repo_name,
                        commit_id=commit_id,
                        comment_id=comment_id),
             params={'csrf_token': self.csrf_token})
 
         comments = ChangesetComment.query().all()
         assert len(comments) == 0
 
         response = self.app.get(
             route_path('repo_commit',
                        repo_name=backend.repo_name, commit_id=commit_id))
         assert_comment_links(response, 0, 0)
 
     @pytest.mark.parametrize('renderer, input, output', [
         ('rst', 'plain text', '<p>plain text</p>'),
         ('rst', 'header\n======', '<h1 class="title">header</h1>'),
         ('rst', '*italics*', '<em>italics</em>'),
         ('rst', '**bold**', '<strong>bold</strong>'),
         ('markdown', 'plain text', '<p>plain text</p>'),
         ('markdown', '# header', '<h1>header</h1>'),
         ('markdown', '*italics*', '<em>italics</em>'),
         ('markdown', '**bold**', '<strong>bold</strong>'),
     ], ids=['rst-plain', 'rst-header', 'rst-italics', 'rst-bold', 'md-plain',
             'md-header', 'md-italics', 'md-bold', ])
     def test_preview(self, renderer, input, output, backend, xhr_header):
         self.log_user()
         params = {
             'renderer': renderer,
             'text': input,
             'csrf_token': self.csrf_token
         }
         commit_id = '0' * 16  # fake this for tests
         response = self.app.post(
             route_path('repo_commit_comment_preview',
                        repo_name=backend.repo_name, commit_id=commit_id,),
             params=params,
             extra_environ=xhr_header)
 
         response.mustcontain(output)
 
 
 def assert_comment_links(response, comments, inline_comments):
     if comments == 1:
         comments_text = "%d Commit comment" % comments
     else:
         comments_text = "%d Commit comments" % comments
 
     if inline_comments == 1:
         inline_comments_text = "%d Inline Comment" % inline_comments
     else:
         inline_comments_text = "%d Inline Comments" % inline_comments
 
     if comments:
         response.mustcontain('<a href="#comments">%s</a>,' % comments_text)
     else:
         response.mustcontain(comments_text)
 
     if inline_comments:
         response.mustcontain(
             'id="inline-comments-counter">%s</' % inline_comments_text)
     else:
         response.mustcontain(inline_comments_text)

rhodecode/apps/repository/tests/test_repo_compare.py

@@ -1,697 +1,666 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import mock
 import pytest
 import lxml.html
 
 from rhodecode.lib.vcs.exceptions import RepositoryRequirementError
 from rhodecode.tests import assert_session_flash
 from rhodecode.tests.utils import AssertResponse, commit_change
 
 
 def route_path(name, params=None, **kwargs):
     import urllib
 
     base_url = {
         'repo_compare_select': '/{repo_name}/compare',
         'repo_compare': '/{repo_name}/compare/{source_ref_type}@{source_ref}...{target_ref_type}@{target_ref}',
     }[name].format(**kwargs)
 
     if params:
         base_url = '{}?{}'.format(base_url, urllib.urlencode(params))
     return base_url
 
 
 @pytest.mark.usefixtures("autologin_user", "app")
 class TestCompareView(object):
 
     def test_compare_index_is_reached_at_least_once(self, backend):
         repo = backend.repo
         self.app.get(
             route_path('repo_compare_select', repo_name=repo.repo_name))
 
     @pytest.mark.xfail_backends("svn", reason="Requires pull")
     def test_compare_remote_with_different_commit_indexes(self, backend):
         # Preparing the following repository structure:
         #
         # Origin repository has two commits:
         #
         #    0    1
         #    A -- D
         #
         # The fork of it has a few more commits and "D" has a commit index
         # which does not exist in origin.
         #
         #    0    1    2    3    4
         #    A --   --   -- D -- E
         #      \- B -- C
         #
 
         fork = backend.create_repo()
 
         # prepare fork
         commit0 = commit_change(
             fork.repo_name, filename='file1', content='A',
             message='A', vcs_type=backend.alias, parent=None, newfile=True)
 
         commit1 = commit_change(
             fork.repo_name, filename='file1', content='B',
             message='B, child of A', vcs_type=backend.alias, parent=commit0)
 
         commit_change(  # commit 2
             fork.repo_name, filename='file1', content='C',
             message='C, child of B', vcs_type=backend.alias, parent=commit1)
 
         commit3 = commit_change(
             fork.repo_name, filename='file1', content='D',
             message='D, child of A', vcs_type=backend.alias, parent=commit0)
 
         commit4 = commit_change(
             fork.repo_name, filename='file1', content='E',
             message='E, child of D', vcs_type=backend.alias, parent=commit3)
 
         # prepare origin repository, taking just the history up to D
         origin = backend.create_repo()
 
         origin_repo = origin.scm_instance(cache=False)
         origin_repo.config.clear_section('hooks')
         origin_repo.pull(fork.repo_full_path, commit_ids=[commit3.raw_id])
 
         # Verify test fixture setup
         # This does not work for git
         if backend.alias != 'git':
             assert 5 == len(fork.scm_instance().commit_ids)
             assert 2 == len(origin_repo.commit_ids)
 
         # Comparing the revisions
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=origin.repo_name,
-                source_ref_type="rev",
-                source_ref=commit3.raw_id,
-                target_ref_type="rev",
-                target_ref=commit4.raw_id,
+                       source_ref_type="rev", source_ref=commit3.raw_id,
+                       target_ref_type="rev", target_ref=commit4.raw_id,
                 params=dict(merge='1', target_repo=fork.repo_name)
            ))
 
         compare_page = ComparePage(response)
         compare_page.contains_commits([commit4])
 
     @pytest.mark.xfail_backends("svn", reason="Depends on branch support")
     def test_compare_forks_on_branch_extra_commits(self, backend):
         repo1 = backend.create_repo()
 
         # commit something !
         commit0 = commit_change(
             repo1.repo_name, filename='file1', content='line1\n',
             message='commit1', vcs_type=backend.alias, parent=None,
             newfile=True)
 
         # fork this repo
         repo2 = backend.create_fork()
 
         # add two extra commit into fork
         commit1 = commit_change(
             repo2.repo_name, filename='file1', content='line1\nline2\n',
             message='commit2', vcs_type=backend.alias, parent=commit0)
 
         commit2 = commit_change(
             repo2.repo_name, filename='file1', content='line1\nline2\nline3\n',
             message='commit3', vcs_type=backend.alias, parent=commit1)
 
         commit_id1 = repo1.scm_instance().DEFAULT_BRANCH_NAME
         commit_id2 = repo2.scm_instance().DEFAULT_BRANCH_NAME
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=repo1.repo_name,
-                source_ref_type="branch",
-                source_ref=commit_id2,
-                target_ref_type="branch",
-                target_ref=commit_id1,
+                       source_ref_type="branch", source_ref=commit_id2,
+                       target_ref_type="branch", target_ref=commit_id1,
                 params=dict(merge='1', target_repo=repo2.repo_name)
         ))
 
         response.mustcontain('%s@%s' % (repo1.repo_name, commit_id2))
         response.mustcontain('%s@%s' % (repo2.repo_name, commit_id1))
 
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(1, 2, 0)
         compare_page.contains_commits([commit1, commit2])
-        compare_page.contains_file_links_and_anchors([
-            ('file1', 'a_c--826e8142e6ba'),
-        ])
+
+        anchor = 'a_c-{}-826e8142e6ba'.format(commit0.short_id)
+        compare_page.contains_file_links_and_anchors([('file1', anchor), ])
 
         # Swap is removed when comparing branches since it's a PR feature and
         # it is then a preview mode
         compare_page.swap_is_hidden()
         compare_page.target_source_are_disabled()
 
     @pytest.mark.xfail_backends("svn", reason="Depends on branch support")
     def test_compare_forks_on_branch_extra_commits_origin_has_incomming(
             self, backend):
         repo1 = backend.create_repo()
 
         # commit something !
         commit0 = commit_change(
             repo1.repo_name, filename='file1', content='line1\n',
             message='commit1', vcs_type=backend.alias, parent=None,
             newfile=True)
 
         # fork this repo
         repo2 = backend.create_fork()
 
         # now commit something to origin repo
         commit_change(
             repo1.repo_name, filename='file2', content='line1file2\n',
             message='commit2', vcs_type=backend.alias, parent=commit0,
             newfile=True)
 
         # add two extra commit into fork
         commit1 = commit_change(
             repo2.repo_name, filename='file1', content='line1\nline2\n',
             message='commit2', vcs_type=backend.alias, parent=commit0)
 
         commit2 = commit_change(
             repo2.repo_name, filename='file1', content='line1\nline2\nline3\n',
             message='commit3', vcs_type=backend.alias, parent=commit1)
 
         commit_id1 = repo1.scm_instance().DEFAULT_BRANCH_NAME
         commit_id2 = repo2.scm_instance().DEFAULT_BRANCH_NAME
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=repo1.repo_name,
-                source_ref_type="branch",
-                source_ref=commit_id2,
-                target_ref_type="branch",
-                target_ref=commit_id1,
+                       source_ref_type="branch", source_ref=commit_id2,
+                       target_ref_type="branch", target_ref=commit_id1,
                 params=dict(merge='1', target_repo=repo2.repo_name),
             ))
 
         response.mustcontain('%s@%s' % (repo1.repo_name, commit_id2))
         response.mustcontain('%s@%s' % (repo2.repo_name, commit_id1))
 
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(1, 2, 0)
         compare_page.contains_commits([commit1, commit2])
-        compare_page.contains_file_links_and_anchors([
-            ('file1', 'a_c--826e8142e6ba'),
-        ])
+        anchor = 'a_c-{}-826e8142e6ba'.format(commit0.short_id)
+        compare_page.contains_file_links_and_anchors([('file1', anchor), ])
 
         # Swap is removed when comparing branches since it's a PR feature and
         # it is then a preview mode
         compare_page.swap_is_hidden()
         compare_page.target_source_are_disabled()
 
     @pytest.mark.xfail_backends("svn")
     # TODO(marcink): no svn support for compare two seperate repos
     def test_compare_of_unrelated_forks(self, backend):
         orig = backend.create_repo(number_of_commits=1)
         fork = backend.create_repo(number_of_commits=1)
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=orig.repo_name,
-                source_ref_type="rev",
-                source_ref="tip",
-                target_ref_type="rev",
-                target_ref="tip",
+                       source_ref_type="rev", source_ref="tip",
+                       target_ref_type="rev", target_ref="tip",
                 params=dict(merge='1', target_repo=fork.repo_name),
             ),
             status=302)
         response = response.follow()
         response.mustcontain("Repositories unrelated.")
 
     @pytest.mark.xfail_backends("svn")
     def test_compare_cherry_pick_commits_from_bottom(self, backend):
 
         # repo1:
         #     commit0:
         #     commit1:
         # repo1-fork- in which we will cherry pick bottom commits
         #     commit0:
         #     commit1:
         #     commit2: x
         #     commit3: x
         #     commit4: x
         #     commit5:
         # make repo1, and commit1+commit2
 
         repo1 = backend.create_repo()
 
         # commit something !
         commit0 = commit_change(
             repo1.repo_name, filename='file1', content='line1\n',
             message='commit1', vcs_type=backend.alias, parent=None,
             newfile=True)
         commit1 = commit_change(
             repo1.repo_name, filename='file1', content='line1\nline2\n',
             message='commit2', vcs_type=backend.alias, parent=commit0)
 
         # fork this repo
         repo2 = backend.create_fork()
 
         # now make commit3-6
         commit2 = commit_change(
             repo1.repo_name, filename='file1', content='line1\nline2\nline3\n',
             message='commit3', vcs_type=backend.alias, parent=commit1)
         commit3 = commit_change(
             repo1.repo_name, filename='file1',
             content='line1\nline2\nline3\nline4\n', message='commit4',
             vcs_type=backend.alias, parent=commit2)
         commit4 = commit_change(
             repo1.repo_name, filename='file1',
             content='line1\nline2\nline3\nline4\nline5\n', message='commit5',
             vcs_type=backend.alias, parent=commit3)
         commit_change(  # commit 5
             repo1.repo_name, filename='file1',
             content='line1\nline2\nline3\nline4\nline5\nline6\n',
             message='commit6', vcs_type=backend.alias, parent=commit4)
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=repo2.repo_name,
-                source_ref_type="rev",
                 # parent of commit2, in target repo2
-                source_ref=commit1.raw_id,
-                target_ref_type="rev",
-                target_ref=commit4.raw_id,
+                       source_ref_type="rev", source_ref=commit1.raw_id,
+                       target_ref_type="rev", target_ref=commit4.raw_id,
                 params=dict(merge='1', target_repo=repo1.repo_name),
             ))
         response.mustcontain('%s@%s' % (repo2.repo_name, commit1.short_id))
         response.mustcontain('%s@%s' % (repo1.repo_name, commit4.short_id))
 
         # files
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(1, 3, 0)
         compare_page.contains_commits([commit2, commit3, commit4])
-        compare_page.contains_file_links_and_anchors([
-            ('file1', 'a_c--826e8142e6ba'),
-        ])
+        anchor = 'a_c-{}-826e8142e6ba'.format(commit1.short_id)
+        compare_page.contains_file_links_and_anchors([('file1', anchor),])
 
     @pytest.mark.xfail_backends("svn")
     def test_compare_cherry_pick_commits_from_top(self, backend):
         # repo1:
         #     commit0:
         #     commit1:
         # repo1-fork- in which we will cherry pick bottom commits
         #     commit0:
         #     commit1:
         #     commit2:
         #     commit3: x
         #     commit4: x
         #     commit5: x
 
         # make repo1, and commit1+commit2
         repo1 = backend.create_repo()
 
         # commit something !
         commit0 = commit_change(
             repo1.repo_name, filename='file1', content='line1\n',
             message='commit1', vcs_type=backend.alias, parent=None,
             newfile=True)
         commit1 = commit_change(
             repo1.repo_name, filename='file1', content='line1\nline2\n',
             message='commit2', vcs_type=backend.alias, parent=commit0)
 
         # fork this repo
         backend.create_fork()
 
         # now make commit3-6
         commit2 = commit_change(
             repo1.repo_name, filename='file1', content='line1\nline2\nline3\n',
             message='commit3', vcs_type=backend.alias, parent=commit1)
         commit3 = commit_change(
             repo1.repo_name, filename='file1',
             content='line1\nline2\nline3\nline4\n', message='commit4',
             vcs_type=backend.alias, parent=commit2)
         commit4 = commit_change(
             repo1.repo_name, filename='file1',
             content='line1\nline2\nline3\nline4\nline5\n', message='commit5',
             vcs_type=backend.alias, parent=commit3)
         commit5 = commit_change(
             repo1.repo_name, filename='file1',
             content='line1\nline2\nline3\nline4\nline5\nline6\n',
             message='commit6', vcs_type=backend.alias, parent=commit4)
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=repo1.repo_name,
-                source_ref_type="rev",
                 # parent of commit3, not in source repo2
-                source_ref=commit2.raw_id,
-                target_ref_type="rev",
-                target_ref=commit5.raw_id,
-                params=dict(merge='1'),
-        ))
+                       source_ref_type="rev", source_ref=commit2.raw_id,
+                       target_ref_type="rev", target_ref=commit5.raw_id,
+                       params=dict(merge='1'),))
 
         response.mustcontain('%s@%s' % (repo1.repo_name, commit2.short_id))
         response.mustcontain('%s@%s' % (repo1.repo_name, commit5.short_id))
 
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(1, 3, 0)
         compare_page.contains_commits([commit3, commit4, commit5])
 
         # files
-        compare_page.contains_file_links_and_anchors([
-            ('file1', 'a_c--826e8142e6ba'),
-        ])
+        anchor = 'a_c-{}-826e8142e6ba'.format(commit2.short_id)
+        compare_page.contains_file_links_and_anchors([('file1', anchor),])
 
     @pytest.mark.xfail_backends("svn")
     def test_compare_remote_branches(self, backend):
         repo1 = backend.repo
         repo2 = backend.create_fork()
 
         commit_id1 = repo1.get_commit(commit_idx=3).raw_id
+        commit_id1_short = repo1.get_commit(commit_idx=3).short_id
         commit_id2 = repo1.get_commit(commit_idx=6).raw_id
+        commit_id2_short = repo1.get_commit(commit_idx=6).short_id
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=repo1.repo_name,
-                source_ref_type="rev",
-                source_ref=commit_id1,
-                target_ref_type="rev",
-                target_ref=commit_id2,
+                       source_ref_type="rev", source_ref=commit_id1,
+                       target_ref_type="rev", target_ref=commit_id2,
                 params=dict(merge='1', target_repo=repo2.repo_name),
             ))
 
         response.mustcontain('%s@%s' % (repo1.repo_name, commit_id1))
         response.mustcontain('%s@%s' % (repo2.repo_name, commit_id2))
 
         compare_page = ComparePage(response)
 
         # outgoing commits between those commits
         compare_page.contains_commits(
             [repo2.get_commit(commit_idx=x) for x in [4, 5, 6]])
 
         # files
         compare_page.contains_file_links_and_anchors([
-            ('vcs/backends/hg.py', 'a_c--9c390eb52cd6'),
-            ('vcs/backends/__init__.py', 'a_c--41b41c1f2796'),
-            ('vcs/backends/base.py', 'a_c--2f574d260608'),
+            ('vcs/backends/hg.py', 'a_c-{}-9c390eb52cd6'.format(commit_id2_short)),
+            ('vcs/backends/__init__.py', 'a_c-{}-41b41c1f2796'.format(commit_id1_short)),
+            ('vcs/backends/base.py', 'a_c-{}-2f574d260608'.format(commit_id1_short)),
         ])
 
     @pytest.mark.xfail_backends("svn")
     def test_source_repo_new_commits_after_forking_simple_diff(self, backend):
         repo1 = backend.create_repo()
         r1_name = repo1.repo_name
 
         commit0 = commit_change(
             repo=r1_name, filename='file1',
             content='line1', message='commit1', vcs_type=backend.alias,
             newfile=True)
         assert repo1.scm_instance().commit_ids == [commit0.raw_id]
 
         # fork the repo1
         repo2 = backend.create_fork()
         assert repo2.scm_instance().commit_ids == [commit0.raw_id]
 
         self.r2_id = repo2.repo_id
         r2_name = repo2.repo_name
 
         commit1 = commit_change(
             repo=r2_name, filename='file1-fork',
             content='file1-line1-from-fork', message='commit1-fork',
             vcs_type=backend.alias, parent=repo2.scm_instance()[-1],
             newfile=True)
 
         commit2 = commit_change(
             repo=r2_name, filename='file2-fork',
             content='file2-line1-from-fork', message='commit2-fork',
             vcs_type=backend.alias, parent=commit1,
             newfile=True)
 
         commit_change(  # commit 3
             repo=r2_name, filename='file3-fork',
             content='file3-line1-from-fork', message='commit3-fork',
             vcs_type=backend.alias, parent=commit2, newfile=True)
 
         # compare !
         commit_id1 = repo1.scm_instance().DEFAULT_BRANCH_NAME
         commit_id2 = repo2.scm_instance().DEFAULT_BRANCH_NAME
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=r2_name,
-                source_ref_type="branch",
-                source_ref=commit_id1,
-                target_ref_type="branch",
-                target_ref=commit_id2,
+                       source_ref_type="branch", source_ref=commit_id1,
+                       target_ref_type="branch", target_ref=commit_id2,
                 params=dict(merge='1', target_repo=r1_name),
             ))
 
         response.mustcontain('%s@%s' % (r2_name, commit_id1))
         response.mustcontain('%s@%s' % (r1_name, commit_id2))
         response.mustcontain('No files')
         response.mustcontain('No commits in this compare')
 
         commit0 = commit_change(
             repo=r1_name, filename='file2',
             content='line1-added-after-fork', message='commit2-parent',
             vcs_type=backend.alias, parent=None, newfile=True)
 
         # compare !
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=r2_name,
-                source_ref_type="branch",
-                source_ref=commit_id1,
-                target_ref_type="branch",
-                target_ref=commit_id2,
+                       source_ref_type="branch", source_ref=commit_id1,
+                       target_ref_type="branch", target_ref=commit_id2,
                 params=dict(merge='1', target_repo=r1_name),
             ))
 
         response.mustcontain('%s@%s' % (r2_name, commit_id1))
         response.mustcontain('%s@%s' % (r1_name, commit_id2))
 
         response.mustcontain("""commit2-parent""")
         response.mustcontain("""line1-added-after-fork""")
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(1, 1, 0)
 
     @pytest.mark.xfail_backends("svn")
     def test_compare_commits(self, backend, xhr_header):
         commit0 = backend.repo.get_commit(commit_idx=0)
         commit1 = backend.repo.get_commit(commit_idx=1)
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=backend.repo_name,
-                source_ref_type="rev",
-                source_ref=commit0.raw_id,
-                target_ref_type="rev",
-                target_ref=commit1.raw_id,
+                       source_ref_type="rev", source_ref=commit0.raw_id,
+                       target_ref_type="rev", target_ref=commit1.raw_id,
                 params=dict(merge='1')
             ),
             extra_environ=xhr_header,)
 
         # outgoing commits between those commits
         compare_page = ComparePage(response)
         compare_page.contains_commits(commits=[commit1], ancestors=[commit0])
 
     def test_errors_when_comparing_unknown_source_repo(self, backend):
         repo = backend.repo
         badrepo = 'badrepo'
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=badrepo,
-                source_ref_type="rev",
-                source_ref='tip',
-                target_ref_type="rev",
-                target_ref='tip',
+                       source_ref_type="rev", source_ref='tip',
+                       target_ref_type="rev", target_ref='tip',
                 params=dict(merge='1', target_repo=repo.repo_name)
             ),
             status=404)
 
     def test_errors_when_comparing_unknown_target_repo(self, backend):
         repo = backend.repo
         badrepo = 'badrepo'
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=repo.repo_name,
-                source_ref_type="rev",
-                source_ref='tip',
-                target_ref_type="rev",
-                target_ref='tip',
+                       source_ref_type="rev", source_ref='tip',
+                       target_ref_type="rev", target_ref='tip',
                 params=dict(merge='1', target_repo=badrepo),
             ),
             status=302)
         redirected = response.follow()
         redirected.mustcontain(
             'Could not find the target repo: `{}`'.format(badrepo))
 
     def test_compare_not_in_preview_mode(self, backend_stub):
         commit0 = backend_stub.repo.get_commit(commit_idx=0)
         commit1 = backend_stub.repo.get_commit(commit_idx=1)
 
         response = self.app.get(
             route_path('repo_compare',
                 repo_name=backend_stub.repo_name,
-                source_ref_type="rev",
-                source_ref=commit0.raw_id,
-                target_ref_type="rev",
-                target_ref=commit1.raw_id,
+                       source_ref_type="rev", source_ref=commit0.raw_id,
+                       target_ref_type="rev", target_ref=commit1.raw_id,
             ))
 
         # outgoing commits between those commits
         compare_page = ComparePage(response)
         compare_page.swap_is_visible()
         compare_page.target_source_are_enabled()
 
     def test_compare_of_fork_with_largefiles(self, backend_hg, settings_util):
         orig = backend_hg.create_repo(number_of_commits=1)
         fork = backend_hg.create_fork()
 
         settings_util.create_repo_rhodecode_ui(
             orig, 'extensions', value='', key='largefiles', active=False)
         settings_util.create_repo_rhodecode_ui(
             fork, 'extensions', value='', key='largefiles', active=True)
 
         compare_module = ('rhodecode.lib.vcs.backends.hg.repository.'
                           'MercurialRepository.compare')
         with mock.patch(compare_module) as compare_mock:
             compare_mock.side_effect = RepositoryRequirementError()
 
             response = self.app.get(
                 route_path('repo_compare',
                     repo_name=orig.repo_name,
-                    source_ref_type="rev",
-                    source_ref="tip",
-                    target_ref_type="rev",
-                    target_ref="tip",
+                           source_ref_type="rev", source_ref="tip",
+                           target_ref_type="rev", target_ref="tip",
                     params=dict(merge='1', target_repo=fork.repo_name),
                 ),
                 status=302)
 
             assert_session_flash(
                 response,
                 'Could not compare repos with different large file settings')
 
 
 @pytest.mark.usefixtures("autologin_user")
 class TestCompareControllerSvn(object):
 
     def test_supports_references_with_path(self, app, backend_svn):
         repo = backend_svn['svn-simple-layout']
         commit_id = repo.get_commit(commit_idx=-1).raw_id
         response = app.get(
             route_path('repo_compare',
                 repo_name=repo.repo_name,
                 source_ref_type="tag",
                 source_ref="%s@%s" % ('tags/v0.1', commit_id),
                 target_ref_type="tag",
                 target_ref="%s@%s" % ('tags/v0.2', commit_id),
                 params=dict(merge='1'),
             ),
             status=200)
 
         # Expecting no commits, since both paths are at the same revision
         response.mustcontain('No commits in this compare')
 
         # Should find only one file changed when comparing those two tags
         response.mustcontain('example.py')
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(1, 5, 1)
 
     def test_shows_commits_if_different_ids(self, app, backend_svn):
         repo = backend_svn['svn-simple-layout']
         source_id = repo.get_commit(commit_idx=-6).raw_id
         target_id = repo.get_commit(commit_idx=-1).raw_id
         response = app.get(
             route_path('repo_compare',
                 repo_name=repo.repo_name,
                 source_ref_type="tag",
                 source_ref="%s@%s" % ('tags/v0.1', source_id),
                 target_ref_type="tag",
                 target_ref="%s@%s" % ('tags/v0.2', target_id),
                 params=dict(merge='1')
             ),
             status=200)
 
         # It should show commits
         assert 'No commits in this compare' not in response.body
 
         # Should find only one file changed when comparing those two tags
         response.mustcontain('example.py')
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(1, 5, 1)
 
 
 class ComparePage(AssertResponse):
     """
     Abstracts the page template from the tests
     """
 
     def contains_file_links_and_anchors(self, files):
         doc = lxml.html.fromstring(self.response.body)
         for filename, file_id in files:
             self.contains_one_anchor(file_id)
             diffblock = doc.cssselect('[data-f-path="%s"]' % filename)
             assert len(diffblock) == 1
             assert len(diffblock[0].cssselect('a[href="#%s"]' % file_id)) == 1
 
     def contains_change_summary(self, files_changed, inserted, deleted):
         template = (
             "{files_changed} file{plural} changed: "
             "{inserted} inserted, {deleted} deleted")
         self.response.mustcontain(template.format(
             files_changed=files_changed,
             plural="s" if files_changed > 1 else "",
             inserted=inserted,
             deleted=deleted))
 
     def contains_commits(self, commits, ancestors=None):
         response = self.response
 
         for commit in commits:
             # Expecting to see the commit message in an element which
             # has the ID "c-{commit.raw_id}"
             self.element_contains('#c-' + commit.raw_id, commit.message)
             self.contains_one_link(
                 'r%s:%s' % (commit.idx, commit.short_id),
                 self._commit_url(commit))
         if ancestors:
             response.mustcontain('Ancestor')
             for ancestor in ancestors:
                 self.contains_one_link(
                     ancestor.short_id, self._commit_url(ancestor))
 
     def _commit_url(self, commit):
         return '/%s/changeset/%s' % (commit.repository.name, commit.raw_id)
 
     def swap_is_hidden(self):
         assert '<a id="btn-swap"' not in self.response.text
 
     def swap_is_visible(self):
         assert '<a id="btn-swap"' in self.response.text
 
     def target_source_are_disabled(self):
         response = self.response
         response.mustcontain("var enable_fields = false;")
         response.mustcontain('.select2("enable", enable_fields)')
 
     def target_source_are_enabled(self):
         response = self.response
         response.mustcontain("var enable_fields = true;")
-

rhodecode/apps/repository/tests/test_repo_compare_local.py

@@ -1,163 +1,167 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import pytest
 
 from .test_repo_compare import ComparePage
 
 
 def route_path(name, params=None, **kwargs):
     import urllib
 
     base_url = {
         'repo_compare_select': '/{repo_name}/compare',
         'repo_compare': '/{repo_name}/compare/{source_ref_type}@{source_ref}...{target_ref_type}@{target_ref}',
     }[name].format(**kwargs)
 
     if params:
         base_url = '{}?{}'.format(base_url, urllib.urlencode(params))
     return base_url
 
 
 @pytest.mark.usefixtures("autologin_user", "app")
 class TestCompareView(object):
 
     @pytest.mark.xfail_backends("svn", msg="Depends on branch and tag support")
     def test_compare_tag(self, backend):
         tag1 = 'v0.1.2'
         tag2 = 'v0.1.3'
         response = self.app.get(
             route_path(
                 'repo_compare',
                 repo_name=backend.repo_name,
-                source_ref_type="tag",
-                source_ref=tag1,
-                target_ref_type="tag",
-                target_ref=tag2),
+                source_ref_type="tag", source_ref=tag1,
+                target_ref_type="tag", target_ref=tag2),
             status=200)
 
         response.mustcontain('%s@%s' % (backend.repo_name, tag1))
         response.mustcontain('%s@%s' % (backend.repo_name, tag2))
 
         # outgoing commits between tags
         commit_indexes = {
             'git': [113] + range(115, 121),
             'hg': [112] + range(115, 121),
         }
         repo = backend.repo
         commits = (repo.get_commit(commit_idx=idx)
                    for idx in commit_indexes[backend.alias])
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(11, 94, 64)
         compare_page.contains_commits(commits)
 
         # files diff
+        short_id = short_id_new = ''
+        if backend.alias == 'git':
+            short_id = '5a3a8fb00555'
+            short_id_new = '0ba5f8a46600'
+        if backend.alias == 'hg':
+            short_id = '17544fbfcd33'
+            short_id_new = 'a7e60bff65d5'
+
         compare_page.contains_file_links_and_anchors([
-            ('docs/api/utils/index.rst', 'a_c--1c5cf9e91c12'),
-            ('test_and_report.sh', 'a_c--e3305437df55'),
-            ('.hgignore', 'a_c--c8e92ef85cd1'),
-            ('.hgtags', 'a_c--6e08b694d687'),
-            ('docs/api/index.rst', 'a_c--2c14b00f3393'),
-            ('vcs/__init__.py', 'a_c--430ccbc82bdf'),
-            ('vcs/backends/hg.py', 'a_c--9c390eb52cd6'),
-            ('vcs/utils/__init__.py', 'a_c--ebb592c595c0'),
-            ('vcs/utils/annotate.py', 'a_c--7abc741b5052'),
-            ('vcs/utils/diffs.py', 'a_c--2ef0ef106c56'),
-            ('vcs/utils/lazy.py', 'a_c--3150cb87d4b7'),
+            # modified
+            ('docs/api/utils/index.rst', 'a_c-{}-1c5cf9e91c12'.format(short_id)),
+            ('test_and_report.sh', 'a_c-{}-e3305437df55'.format(short_id)),
+            # added
+            ('.hgignore', 'a_c-{}-c8e92ef85cd1'.format(short_id_new)),
+            ('.hgtags', 'a_c-{}-6e08b694d687'.format(short_id_new)),
+            ('docs/api/index.rst', 'a_c-{}-2c14b00f3393'.format(short_id_new)),
+            ('vcs/__init__.py', 'a_c-{}-430ccbc82bdf'.format(short_id_new)),
+            ('vcs/backends/hg.py', 'a_c-{}-9c390eb52cd6'.format(short_id_new)),
+            ('vcs/utils/__init__.py', 'a_c-{}-ebb592c595c0'.format(short_id_new)),
+            ('vcs/utils/annotate.py', 'a_c-{}-7abc741b5052'.format(short_id_new)),
+            ('vcs/utils/diffs.py', 'a_c-{}-2ef0ef106c56'.format(short_id_new)),
+            ('vcs/utils/lazy.py', 'a_c-{}-3150cb87d4b7'.format(short_id_new)),
         ])
 
     @pytest.mark.xfail_backends("svn", msg="Depends on branch and tag support")
     def test_compare_tag_branch(self, backend):
         revisions = {
             'hg': {
                 'tag': 'v0.2.0',
                 'branch': 'default',
                 'response': (147, 5701, 10177)
             },
             'git': {
                 'tag': 'v0.2.2',
                 'branch': 'master',
                 'response': (71, 2269, 3416)
             },
         }
 
         # Backend specific data, depends on the test repository for
         # functional tests.
         data = revisions[backend.alias]
 
         response = self.app.get(
             route_path(
             'repo_compare',
             repo_name=backend.repo_name,
-            source_ref_type='branch',
-            source_ref=data['branch'],
-            target_ref_type="tag",
-            target_ref=data['tag'],
+                source_ref_type='branch', source_ref=data['branch'],
+                target_ref_type="tag", target_ref=data['tag'],
             ))
 
         response.mustcontain('%s@%s' % (backend.repo_name, data['branch']))
         response.mustcontain('%s@%s' % (backend.repo_name, data['tag']))
         compare_page = ComparePage(response)
         compare_page.contains_change_summary(*data['response'])
 
     def test_index_branch(self, backend):
         head_id = backend.default_head_id
         response = self.app.get(
             route_path(
             'repo_compare',
             repo_name=backend.repo_name,
-            source_ref_type="branch",
-            source_ref=head_id,
-            target_ref_type="branch",
-            target_ref=head_id,
+                source_ref_type="branch", source_ref=head_id,
+                target_ref_type="branch", target_ref=head_id,
             ))
 
         response.mustcontain('%s@%s' % (backend.repo_name, head_id))
 
         # branches are equal
         response.mustcontain('No files')
         response.mustcontain('No commits in this compare')
 
     def test_compare_commits(self, backend):
         repo = backend.repo
         commit1 = repo.get_commit(commit_idx=0)
+        commit1_short_id = commit1.short_id
         commit2 = repo.get_commit(commit_idx=1)
+        commit2_short_id = commit2.short_id
 
         response = self.app.get(
             route_path(
             'repo_compare',
             repo_name=backend.repo_name,
-            source_ref_type="rev",
-            source_ref=commit1.raw_id,
-            target_ref_type="rev",
-            target_ref=commit2.raw_id,
+                source_ref_type="rev", source_ref=commit1.raw_id,
+                target_ref_type="rev", target_ref=commit2.raw_id,
             ))
         response.mustcontain('%s@%s' % (backend.repo_name, commit1.raw_id))
         response.mustcontain('%s@%s' % (backend.repo_name, commit2.raw_id))
         compare_page = ComparePage(response)
 
         # files
         compare_page.contains_change_summary(1, 7, 0)
 
         # outgoing commits between those commits
         compare_page.contains_commits([commit2])
-        compare_page.contains_file_links_and_anchors([
-            ('.hgignore', 'a_c--c8e92ef85cd1'),
-        ])
+        anchor = 'a_c-{}-c8e92ef85cd1'.format(commit2_short_id)
+        response.mustcontain(anchor)
+        compare_page.contains_file_links_and_anchors([('.hgignore', anchor),])

rhodecode/apps/repository/tests/test_repo_pullrequests.py

@@ -1,1228 +1,1233 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 import mock
 import pytest
 
 import rhodecode
 from rhodecode.lib.vcs.backends.base import MergeResponse, MergeFailureReason
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.lib import helpers as h
 from rhodecode.model.changeset_status import ChangesetStatusModel
 from rhodecode.model.db import (
     PullRequest, ChangesetStatus, UserLog, Notification, ChangesetComment, Repository)
 from rhodecode.model.meta import Session
 from rhodecode.model.pull_request import PullRequestModel
 from rhodecode.model.user import UserModel
 from rhodecode.tests import (
     assert_session_flash, TEST_USER_ADMIN_LOGIN, TEST_USER_REGULAR_LOGIN)
 from rhodecode.tests.utils import AssertResponse
 
 
 def route_path(name, params=None, **kwargs):
     import urllib
 
     base_url = {
         'repo_changelog': '/{repo_name}/changelog',
         'repo_changelog_file': '/{repo_name}/changelog/{commit_id}/{f_path}',
         'pullrequest_show': '/{repo_name}/pull-request/{pull_request_id}',
         'pullrequest_show_all': '/{repo_name}/pull-request',
         'pullrequest_show_all_data': '/{repo_name}/pull-request-data',
         'pullrequest_repo_refs': '/{repo_name}/pull-request/refs/{target_repo_name:.*?[^/]}',
         'pullrequest_repo_destinations': '/{repo_name}/pull-request/repo-destinations',
         'pullrequest_new': '/{repo_name}/pull-request/new',
         'pullrequest_create': '/{repo_name}/pull-request/create',
         'pullrequest_update': '/{repo_name}/pull-request/{pull_request_id}/update',
         'pullrequest_merge': '/{repo_name}/pull-request/{pull_request_id}/merge',
         'pullrequest_delete': '/{repo_name}/pull-request/{pull_request_id}/delete',
         'pullrequest_comment_create': '/{repo_name}/pull-request/{pull_request_id}/comment',
         'pullrequest_comment_delete': '/{repo_name}/pull-request/{pull_request_id}/comment/{comment_id}/delete',
     }[name].format(**kwargs)
 
     if params:
         base_url = '{}?{}'.format(base_url, urllib.urlencode(params))
     return base_url
 
 
 @pytest.mark.usefixtures('app', 'autologin_user')
 @pytest.mark.backends("git", "hg")
 class TestPullrequestsView(object):
 
     def test_index(self, backend):
         self.app.get(route_path(
             'pullrequest_new',
             repo_name=backend.repo_name))
 
     def test_option_menu_create_pull_request_exists(self, backend):
         repo_name = backend.repo_name
         response = self.app.get(h.route_path('repo_summary', repo_name=repo_name))
 
         create_pr_link = '<a href="%s">Create Pull Request</a>' % route_path(
             'pullrequest_new', repo_name=repo_name)
         response.mustcontain(create_pr_link)
 
     def test_create_pr_form_with_raw_commit_id(self, backend):
         repo = backend.repo
 
         self.app.get(
-            route_path('pullrequest_new',
-                repo_name=repo.repo_name,
+            route_path('pullrequest_new', repo_name=repo.repo_name,
                 commit=repo.get_commit().raw_id),
             status=200)
 
     @pytest.mark.parametrize('pr_merge_enabled', [True, False])
-    def test_show(self, pr_util, pr_merge_enabled):
+    @pytest.mark.parametrize('range_diff', ["0", "1"])
+    def test_show(self, pr_util, pr_merge_enabled, range_diff):
         pull_request = pr_util.create_pull_request(
             mergeable=pr_merge_enabled, enable_notifications=False)
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
-            pull_request_id=pull_request.pull_request_id))
+            pull_request_id=pull_request.pull_request_id,
+            params={'range-diff': range_diff}))
 
         for commit_id in pull_request.revisions:
             response.mustcontain(commit_id)
 
         assert pull_request.target_ref_parts.type in response
         assert pull_request.target_ref_parts.name in response
         target_clone_url = pull_request.target_repo.clone_url()
         assert target_clone_url in response
 
         assert 'class="pull-request-merge"' in response
-        assert (
-            'Server-side pull request merging is disabled.'
-            in response) != pr_merge_enabled
+        if pr_merge_enabled:
+            response.mustcontain('Pull request reviewer approval is pending')
+        else:
+            response.mustcontain('Server-side pull request merging is disabled.')
+
+        if range_diff == "1":
+            response.mustcontain('Turn off: Show the diff as commit range')
 
     def test_close_status_visibility(self, pr_util, user_util, csrf_token):
         # Logout
         response = self.app.post(
             h.route_path('logout'),
             params={'csrf_token': csrf_token})
         # Login as regular user
         response = self.app.post(h.route_path('login'),
                                  {'username': TEST_USER_REGULAR_LOGIN,
                                   'password': 'test12'})
 
         pull_request = pr_util.create_pull_request(
             author=TEST_USER_REGULAR_LOGIN)
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
 
         response.mustcontain('Server-side pull request merging is disabled.')
 
         assert_response = response.assert_response()
         # for regular user without a merge permissions, we don't see it
         assert_response.no_element_exists('#close-pull-request-action')
 
         user_util.grant_user_permission_to_repo(
             pull_request.target_repo,
             UserModel().get_by_username(TEST_USER_REGULAR_LOGIN),
             'repository.write')
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
 
         response.mustcontain('Server-side pull request merging is disabled.')
 
         assert_response = response.assert_response()
         # now regular user has a merge permissions, we have CLOSE button
         assert_response.one_element_exists('#close-pull-request-action')
 
     def test_show_invalid_commit_id(self, pr_util):
         # Simulating invalid revisions which will cause a lookup error
         pull_request = pr_util.create_pull_request()
         pull_request.revisions = ['invalid']
         Session().add(pull_request)
         Session().commit()
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
 
         for commit_id in pull_request.revisions:
             response.mustcontain(commit_id)
 
     def test_show_invalid_source_reference(self, pr_util):
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = 'branch:b:invalid'
         Session().add(pull_request)
         Session().commit()
 
         self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
 
     def test_edit_title_description(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
 
         response = self.app.post(
             route_path('pullrequest_update',
                 repo_name=pull_request.target_repo.repo_name,
                 pull_request_id=pull_request_id),
             params={
                 'edit_pull_request': 'true',
                 'title': 'New title',
                 'description': 'New description',
                 'csrf_token': csrf_token})
 
         assert_session_flash(
             response, u'Pull request title & description updated.',
             category='success')
 
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.title == 'New title'
         assert pull_request.description == 'New description'
 
     def test_edit_title_description_closed(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
         repo_name = pull_request.target_repo.repo_name
         pr_util.close()
 
         response = self.app.post(
             route_path('pullrequest_update',
                        repo_name=repo_name, pull_request_id=pull_request_id),
             params={
                 'edit_pull_request': 'true',
                 'title': 'New title',
                 'description': 'New description',
                 'csrf_token': csrf_token}, status=200)
         assert_session_flash(
             response, u'Cannot update closed pull requests.',
             category='error')
 
     def test_update_invalid_source_reference(self, pr_util, csrf_token):
         from rhodecode.lib.vcs.backends.base import UpdateFailureReason
 
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = 'branch:invalid-branch:invalid-commit-id'
         Session().add(pull_request)
         Session().commit()
 
         pull_request_id = pull_request.pull_request_id
 
         response = self.app.post(
             route_path('pullrequest_update',
                 repo_name=pull_request.target_repo.repo_name,
                 pull_request_id=pull_request_id),
             params={'update_commits': 'true',
                     'csrf_token': csrf_token})
 
         expected_msg = str(PullRequestModel.UPDATE_STATUS_MESSAGES[
             UpdateFailureReason.MISSING_SOURCE_REF])
         assert_session_flash(response, expected_msg, category='error')
 
     def test_missing_target_reference(self, pr_util, csrf_token):
         from rhodecode.lib.vcs.backends.base import MergeFailureReason
         pull_request = pr_util.create_pull_request(
             approved=True, mergeable=True)
         pull_request.target_ref = 'branch:invalid-branch:invalid-commit-id'
         Session().add(pull_request)
         Session().commit()
 
         pull_request_id = pull_request.pull_request_id
         pull_request_url = route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.repo_name,
             pull_request_id=pull_request_id)
 
         response = self.app.get(pull_request_url)
 
         assertr = AssertResponse(response)
         expected_msg = PullRequestModel.MERGE_STATUS_MESSAGES[
             MergeFailureReason.MISSING_TARGET_REF]
         assertr.element_contains(
             'span[data-role="merge-message"]', str(expected_msg))
 
     def test_comment_and_close_pull_request_custom_message_approved(
             self, pr_util, csrf_token, xhr_header):
 
         pull_request = pr_util.create_pull_request(approved=True)
         pull_request_id = pull_request.pull_request_id
         author = pull_request.user_id
         repo = pull_request.target_repo.repo_id
 
         self.app.post(
             route_path('pullrequest_comment_create',
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request_id),
             params={
                 'close_pull_request': '1',
                 'text': 'Closing a PR',
                 'csrf_token': csrf_token},
             extra_environ=xhr_header,)
 
         journal = UserLog.query()\
             .filter(UserLog.user_id == author)\
             .filter(UserLog.repository_id == repo) \
             .order_by('user_log_id') \
             .all()
         assert journal[-1].action == 'repo.pull_request.close'
 
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.is_closed()
 
         status = ChangesetStatusModel().get_status(
             pull_request.source_repo, pull_request=pull_request)
         assert status == ChangesetStatus.STATUS_APPROVED
         comments = ChangesetComment().query() \
             .filter(ChangesetComment.pull_request == pull_request) \
             .order_by(ChangesetComment.comment_id.asc())\
             .all()
         assert comments[-1].text == 'Closing a PR'
 
     def test_comment_force_close_pull_request_rejected(
             self, pr_util, csrf_token, xhr_header):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
         PullRequestModel().update_reviewers(
             pull_request_id, [(1, ['reason'], False, []), (2, ['reason2'], False, [])],
             pull_request.author)
         author = pull_request.user_id
         repo = pull_request.target_repo.repo_id
 
         self.app.post(
             route_path('pullrequest_comment_create',
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request_id),
             params={
                 'close_pull_request': '1',
                 'csrf_token': csrf_token},
             extra_environ=xhr_header)
 
         pull_request = PullRequest.get(pull_request_id)
 
         journal = UserLog.query()\
             .filter(UserLog.user_id == author, UserLog.repository_id == repo) \
             .order_by('user_log_id') \
             .all()
         assert journal[-1].action == 'repo.pull_request.close'
 
         # check only the latest status, not the review status
         status = ChangesetStatusModel().get_status(
             pull_request.source_repo, pull_request=pull_request)
         assert status == ChangesetStatus.STATUS_REJECTED
 
     def test_comment_and_close_pull_request(
             self, pr_util, csrf_token, xhr_header):
         pull_request = pr_util.create_pull_request()
         pull_request_id = pull_request.pull_request_id
 
         response = self.app.post(
             route_path('pullrequest_comment_create',
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id),
             params={
                 'close_pull_request': 'true',
                 'csrf_token': csrf_token},
             extra_environ=xhr_header)
 
         assert response.json
 
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.is_closed()
 
         # check only the latest status, not the review status
         status = ChangesetStatusModel().get_status(
             pull_request.source_repo, pull_request=pull_request)
         assert status == ChangesetStatus.STATUS_REJECTED
 
     def test_create_pull_request(self, backend, csrf_token):
         commits = [
             {'message': 'ancestor'},
             {'message': 'change'},
             {'message': 'change2'},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=['ancestor'])
         source = backend.create_repo(heads=['change2'])
 
         response = self.app.post(
             route_path('pullrequest_create', repo_name=source.repo_name),
             [
                 ('source_repo', source.repo_name),
                 ('source_ref', 'branch:default:' + commit_ids['change2']),
                 ('target_repo', target.repo_name),
                 ('target_ref',  'branch:default:' + commit_ids['ancestor']),
                 ('common_ancestor', commit_ids['ancestor']),
                 ('pullrequest_title', 'Title'),
                 ('pullrequest_desc', 'Description'),
                 ('description_renderer', 'markdown'),
                 ('__start__', 'review_members:sequence'),
                     ('__start__', 'reviewer:mapping'),
                         ('user_id', '1'),
                         ('__start__', 'reasons:sequence'),
                             ('reason', 'Some reason'),
                         ('__end__', 'reasons:sequence'),
                         ('__start__', 'rules:sequence'),
                         ('__end__', 'rules:sequence'),
                         ('mandatory', 'False'),
                     ('__end__', 'reviewer:mapping'),
                 ('__end__', 'review_members:sequence'),
                 ('__start__', 'revisions:sequence'),
                     ('revisions', commit_ids['change']),
                     ('revisions', commit_ids['change2']),
                 ('__end__', 'revisions:sequence'),
                 ('user', ''),
                 ('csrf_token', csrf_token),
             ],
             status=302)
 
         location = response.headers['Location']
         pull_request_id = location.rsplit('/', 1)[1]
         assert pull_request_id != 'new'
         pull_request = PullRequest.get(int(pull_request_id))
 
         # check that we have now both revisions
         assert pull_request.revisions == [commit_ids['change2'], commit_ids['change']]
         assert pull_request.source_ref == 'branch:default:' + commit_ids['change2']
         expected_target_ref = 'branch:default:' + commit_ids['ancestor']
         assert pull_request.target_ref == expected_target_ref
 
     def test_reviewer_notifications(self, backend, csrf_token):
         # We have to use the app.post for this test so it will create the
         # notifications properly with the new PR
         commits = [
             {'message': 'ancestor',
              'added': [FileNode('file_A', content='content_of_ancestor')]},
             {'message': 'change',
              'added': [FileNode('file_a', content='content_of_change')]},
             {'message': 'change-child'},
             {'message': 'ancestor-child', 'parents': ['ancestor'],
              'added': [
                 FileNode('file_B', content='content_of_ancestor_child')]},
             {'message': 'ancestor-child-2'},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=['ancestor-child'])
         source = backend.create_repo(heads=['change'])
 
         response = self.app.post(
             route_path('pullrequest_create', repo_name=source.repo_name),
             [
                 ('source_repo', source.repo_name),
                 ('source_ref', 'branch:default:' + commit_ids['change']),
                 ('target_repo', target.repo_name),
                 ('target_ref',  'branch:default:' + commit_ids['ancestor-child']),
                 ('common_ancestor', commit_ids['ancestor']),
                 ('pullrequest_title', 'Title'),
                 ('pullrequest_desc', 'Description'),
                 ('description_renderer', 'markdown'),
                 ('__start__', 'review_members:sequence'),
                     ('__start__', 'reviewer:mapping'),
                         ('user_id', '2'),
                         ('__start__', 'reasons:sequence'),
                             ('reason', 'Some reason'),
                         ('__end__', 'reasons:sequence'),
                         ('__start__', 'rules:sequence'),
                         ('__end__', 'rules:sequence'),
                         ('mandatory', 'False'),
                     ('__end__', 'reviewer:mapping'),
                 ('__end__', 'review_members:sequence'),
                 ('__start__', 'revisions:sequence'),
                     ('revisions', commit_ids['change']),
                 ('__end__', 'revisions:sequence'),
                 ('user', ''),
                 ('csrf_token', csrf_token),
             ],
             status=302)
 
         location = response.headers['Location']
 
         pull_request_id = location.rsplit('/', 1)[1]
         assert pull_request_id != 'new'
         pull_request = PullRequest.get(int(pull_request_id))
 
         # Check that a notification was made
         notifications = Notification.query()\
             .filter(Notification.created_by == pull_request.author.user_id,
                     Notification.type_ == Notification.TYPE_PULL_REQUEST,
                     Notification.subject.contains(
                         "wants you to review pull request #%s" % pull_request_id))
         assert len(notifications.all()) == 1
 
         # Change reviewers and check that a notification was made
         PullRequestModel().update_reviewers(
             pull_request.pull_request_id, [(1, [], False, [])],
             pull_request.author)
         assert len(notifications.all()) == 2
 
     def test_create_pull_request_stores_ancestor_commit_id(self, backend,
                                                            csrf_token):
         commits = [
             {'message': 'ancestor',
              'added': [FileNode('file_A', content='content_of_ancestor')]},
             {'message': 'change',
              'added': [FileNode('file_a', content='content_of_change')]},
             {'message': 'change-child'},
             {'message': 'ancestor-child', 'parents': ['ancestor'],
              'added': [
                 FileNode('file_B', content='content_of_ancestor_child')]},
             {'message': 'ancestor-child-2'},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=['ancestor-child'])
         source = backend.create_repo(heads=['change'])
 
         response = self.app.post(
             route_path('pullrequest_create', repo_name=source.repo_name),
             [
                 ('source_repo', source.repo_name),
                 ('source_ref', 'branch:default:' + commit_ids['change']),
                 ('target_repo', target.repo_name),
                 ('target_ref',  'branch:default:' + commit_ids['ancestor-child']),
                 ('common_ancestor', commit_ids['ancestor']),
                 ('pullrequest_title', 'Title'),
                 ('pullrequest_desc', 'Description'),
                 ('description_renderer', 'markdown'),
                 ('__start__', 'review_members:sequence'),
                     ('__start__', 'reviewer:mapping'),
                         ('user_id', '1'),
                         ('__start__', 'reasons:sequence'),
                             ('reason', 'Some reason'),
                         ('__end__', 'reasons:sequence'),
                         ('__start__', 'rules:sequence'),
                         ('__end__', 'rules:sequence'),
                         ('mandatory', 'False'),
                     ('__end__', 'reviewer:mapping'),
                 ('__end__', 'review_members:sequence'),
                 ('__start__', 'revisions:sequence'),
                     ('revisions', commit_ids['change']),
                 ('__end__', 'revisions:sequence'),
                 ('user', ''),
                 ('csrf_token', csrf_token),
             ],
             status=302)
 
         location = response.headers['Location']
 
         pull_request_id = location.rsplit('/', 1)[1]
         assert pull_request_id != 'new'
         pull_request = PullRequest.get(int(pull_request_id))
 
         # target_ref has to point to the ancestor's commit_id in order to
         # show the correct diff
         expected_target_ref = 'branch:default:' + commit_ids['ancestor']
         assert pull_request.target_ref == expected_target_ref
 
         # Check generated diff contents
         response = response.follow()
         assert 'content_of_ancestor' not in response.body
         assert 'content_of_ancestor-child' not in response.body
         assert 'content_of_change' in response.body
 
     def test_merge_pull_request_enabled(self, pr_util, csrf_token):
         # Clear any previous calls to rcextensions
         rhodecode.EXTENSIONS.calls.clear()
 
         pull_request = pr_util.create_pull_request(
             approved=True, mergeable=True)
         pull_request_id = pull_request.pull_request_id
         repo_name = pull_request.target_repo.scm_instance().name,
 
         response = self.app.post(
             route_path('pullrequest_merge',
                 repo_name=str(repo_name[0]),
                 pull_request_id=pull_request_id),
             params={'csrf_token': csrf_token}).follow()
 
         pull_request = PullRequest.get(pull_request_id)
 
         assert response.status_int == 200
         assert pull_request.is_closed()
         assert_pull_request_status(
             pull_request, ChangesetStatus.STATUS_APPROVED)
 
         # Check the relevant log entries were added
         user_logs = UserLog.query().order_by('-user_log_id').limit(3)
         actions = [log.action for log in user_logs]
         pr_commit_ids = PullRequestModel()._get_commit_ids(pull_request)
         expected_actions = [
              u'repo.pull_request.close',
              u'repo.pull_request.merge',
              u'repo.pull_request.comment.create'
         ]
         assert actions == expected_actions
 
         user_logs = UserLog.query().order_by('-user_log_id').limit(4)
         actions = [log for log in user_logs]
         assert actions[-1].action == 'user.push'
         assert actions[-1].action_data['commit_ids'] == pr_commit_ids
 
         # Check post_push rcextension was really executed
         push_calls = rhodecode.EXTENSIONS.calls['post_push']
         assert len(push_calls) == 1
         unused_last_call_args, last_call_kwargs = push_calls[0]
         assert last_call_kwargs['action'] == 'push'
         assert last_call_kwargs['pushed_revs'] == pr_commit_ids
 
     def test_merge_pull_request_disabled(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request(mergeable=False)
         pull_request_id = pull_request.pull_request_id
         pull_request = PullRequest.get(pull_request_id)
 
         response = self.app.post(
             route_path('pullrequest_merge',
                 repo_name=pull_request.target_repo.scm_instance().name,
                 pull_request_id=pull_request.pull_request_id),
             params={'csrf_token': csrf_token}).follow()
 
         assert response.status_int == 200
         response.mustcontain(
             'Merge is not currently possible because of below failed checks.')
         response.mustcontain('Server-side pull request merging is disabled.')
 
     @pytest.mark.skip_backends('svn')
     def test_merge_pull_request_not_approved(self, pr_util, csrf_token):
         pull_request = pr_util.create_pull_request(mergeable=True)
         pull_request_id = pull_request.pull_request_id
         repo_name = pull_request.target_repo.scm_instance().name
 
         response = self.app.post(
             route_path('pullrequest_merge',
                 repo_name=repo_name,
                 pull_request_id=pull_request_id),
             params={'csrf_token': csrf_token}).follow()
 
         assert response.status_int == 200
 
         response.mustcontain(
             'Merge is not currently possible because of below failed checks.')
         response.mustcontain('Pull request reviewer approval is pending.')
 
     def test_merge_pull_request_renders_failure_reason(
             self, user_regular, csrf_token, pr_util):
         pull_request = pr_util.create_pull_request(mergeable=True, approved=True)
         pull_request_id = pull_request.pull_request_id
         repo_name = pull_request.target_repo.scm_instance().name
 
         model_patcher = mock.patch.multiple(
             PullRequestModel,
             merge_repo=mock.Mock(return_value=MergeResponse(
                 True, False, 'STUB_COMMIT_ID', MergeFailureReason.PUSH_FAILED)),
             merge_status=mock.Mock(return_value=(True, 'WRONG_MESSAGE')))
 
         with model_patcher:
             response = self.app.post(
                 route_path('pullrequest_merge',
                            repo_name=repo_name,
                            pull_request_id=pull_request_id),
                 params={'csrf_token': csrf_token}, status=302)
 
         assert_session_flash(response, PullRequestModel.MERGE_STATUS_MESSAGES[
             MergeFailureReason.PUSH_FAILED])
 
     def test_update_source_revision(self, backend, csrf_token):
         commits = [
             {'message': 'ancestor'},
             {'message': 'change'},
             {'message': 'change-2'},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=['ancestor'])
         source = backend.create_repo(heads=['change'])
 
         # create pr from a in source to A in target
         pull_request = PullRequest()
         pull_request.source_repo = source
         # TODO: johbo: Make sure that we write the source ref this way!
         pull_request.source_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name, commit_id=commit_ids['change'])
         pull_request.target_repo = target
 
         pull_request.target_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name,
             commit_id=commit_ids['ancestor'])
         pull_request.revisions = [commit_ids['change']]
         pull_request.title = u"Test"
         pull_request.description = u"Description"
         pull_request.author = UserModel().get_by_username(
             TEST_USER_ADMIN_LOGIN)
         Session().add(pull_request)
         Session().commit()
         pull_request_id = pull_request.pull_request_id
 
         # source has ancestor - change - change-2
         backend.pull_heads(source, heads=['change-2'])
 
         # update PR
         self.app.post(
             route_path('pullrequest_update',
                 repo_name=target.repo_name,
                 pull_request_id=pull_request_id),
             params={'update_commits': 'true',
                     'csrf_token': csrf_token})
 
         # check that we have now both revisions
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.revisions == [
             commit_ids['change-2'], commit_ids['change']]
 
         # TODO: johbo: this should be a test on its own
         response = self.app.get(route_path(
             'pullrequest_new',
             repo_name=target.repo_name))
         assert response.status_int == 200
         assert 'Pull request updated to' in response.body
         assert 'with 1 added, 0 removed commits.' in response.body
 
     def test_update_target_revision(self, backend, csrf_token):
         commits = [
             {'message': 'ancestor'},
             {'message': 'change'},
             {'message': 'ancestor-new', 'parents': ['ancestor']},
             {'message': 'change-rebased'},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=['ancestor'])
         source = backend.create_repo(heads=['change'])
 
         # create pr from a in source to A in target
         pull_request = PullRequest()
         pull_request.source_repo = source
         # TODO: johbo: Make sure that we write the source ref this way!
         pull_request.source_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name, commit_id=commit_ids['change'])
         pull_request.target_repo = target
         # TODO: johbo: Target ref should be branch based, since tip can jump
         # from branch to branch
         pull_request.target_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name,
             commit_id=commit_ids['ancestor'])
         pull_request.revisions = [commit_ids['change']]
         pull_request.title = u"Test"
         pull_request.description = u"Description"
         pull_request.author = UserModel().get_by_username(
             TEST_USER_ADMIN_LOGIN)
         Session().add(pull_request)
         Session().commit()
         pull_request_id = pull_request.pull_request_id
 
         # target has ancestor - ancestor-new
         # source has ancestor - ancestor-new - change-rebased
         backend.pull_heads(target, heads=['ancestor-new'])
         backend.pull_heads(source, heads=['change-rebased'])
 
         # update PR
         self.app.post(
             route_path('pullrequest_update',
                 repo_name=target.repo_name,
                 pull_request_id=pull_request_id),
             params={'update_commits': 'true',
                     'csrf_token': csrf_token},
             status=200)
 
         # check that we have now both revisions
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.revisions == [commit_ids['change-rebased']]
         assert pull_request.target_ref == 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name,
             commit_id=commit_ids['ancestor-new'])
 
         # TODO: johbo: This should be a test on its own
         response = self.app.get(route_path(
             'pullrequest_new',
             repo_name=target.repo_name))
         assert response.status_int == 200
         assert 'Pull request updated to' in response.body
         assert 'with 1 added, 1 removed commits.' in response.body
 
     def test_update_target_revision_with_removal_of_1_commit_git(self, backend_git, csrf_token):
         backend = backend_git
         commits = [
             {'message': 'master-commit-1'},
             {'message': 'master-commit-2-change-1'},
             {'message': 'master-commit-3-change-2'},
 
             {'message': 'feat-commit-1', 'parents': ['master-commit-1']},
             {'message': 'feat-commit-2'},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=['master-commit-3-change-2'])
         source = backend.create_repo(heads=['feat-commit-2'])
 
         # create pr from a in source to A in target
         pull_request = PullRequest()
         pull_request.source_repo = source
         # TODO: johbo: Make sure that we write the source ref this way!
         pull_request.source_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name,
             commit_id=commit_ids['master-commit-3-change-2'])
 
         pull_request.target_repo = target
         # TODO: johbo: Target ref should be branch based, since tip can jump
         # from branch to branch
         pull_request.target_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name,
             commit_id=commit_ids['feat-commit-2'])
 
         pull_request.revisions = [
             commit_ids['feat-commit-1'],
             commit_ids['feat-commit-2']
         ]
         pull_request.title = u"Test"
         pull_request.description = u"Description"
         pull_request.author = UserModel().get_by_username(
             TEST_USER_ADMIN_LOGIN)
         Session().add(pull_request)
         Session().commit()
         pull_request_id = pull_request.pull_request_id
 
         # PR is created, now we simulate a force-push into target,
         # that drops a 2 last commits
         vcsrepo = target.scm_instance()
         vcsrepo.config.clear_section('hooks')
         vcsrepo.run_git_command(['reset', '--soft', 'HEAD~2'])
 
         # update PR
         self.app.post(
             route_path('pullrequest_update',
                 repo_name=target.repo_name,
                 pull_request_id=pull_request_id),
             params={'update_commits': 'true',
                     'csrf_token': csrf_token},
             status=200)
 
         response = self.app.get(route_path(
             'pullrequest_new',
             repo_name=target.repo_name))
         assert response.status_int == 200
         response.mustcontain('Pull request updated to')
         response.mustcontain('with 0 added, 0 removed commits.')
 
     def test_update_of_ancestor_reference(self, backend, csrf_token):
         commits = [
             {'message': 'ancestor'},
             {'message': 'change'},
             {'message': 'change-2'},
             {'message': 'ancestor-new', 'parents': ['ancestor']},
             {'message': 'change-rebased'},
         ]
         commit_ids = backend.create_master_repo(commits)
         target = backend.create_repo(heads=['ancestor'])
         source = backend.create_repo(heads=['change'])
 
         # create pr from a in source to A in target
         pull_request = PullRequest()
         pull_request.source_repo = source
         # TODO: johbo: Make sure that we write the source ref this way!
         pull_request.source_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name,
             commit_id=commit_ids['change'])
         pull_request.target_repo = target
         # TODO: johbo: Target ref should be branch based, since tip can jump
         # from branch to branch
         pull_request.target_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name,
             commit_id=commit_ids['ancestor'])
         pull_request.revisions = [commit_ids['change']]
         pull_request.title = u"Test"
         pull_request.description = u"Description"
         pull_request.author = UserModel().get_by_username(
             TEST_USER_ADMIN_LOGIN)
         Session().add(pull_request)
         Session().commit()
         pull_request_id = pull_request.pull_request_id
 
         # target has ancestor - ancestor-new
         # source has ancestor - ancestor-new - change-rebased
         backend.pull_heads(target, heads=['ancestor-new'])
         backend.pull_heads(source, heads=['change-rebased'])
 
         # update PR
         self.app.post(
             route_path('pullrequest_update',
                 repo_name=target.repo_name,
                 pull_request_id=pull_request_id),
             params={'update_commits': 'true',
                     'csrf_token': csrf_token},
             status=200)
 
         # Expect the target reference to be updated correctly
         pull_request = PullRequest.get(pull_request_id)
         assert pull_request.revisions == [commit_ids['change-rebased']]
         expected_target_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend.default_branch_name,
             commit_id=commit_ids['ancestor-new'])
         assert pull_request.target_ref == expected_target_ref
 
     def test_remove_pull_request_branch(self, backend_git, csrf_token):
         branch_name = 'development'
         commits = [
             {'message': 'initial-commit'},
             {'message': 'old-feature'},
             {'message': 'new-feature', 'branch': branch_name},
         ]
         repo = backend_git.create_repo(commits)
         commit_ids = backend_git.commit_ids
 
         pull_request = PullRequest()
         pull_request.source_repo = repo
         pull_request.target_repo = repo
         pull_request.source_ref = 'branch:{branch}:{commit_id}'.format(
             branch=branch_name, commit_id=commit_ids['new-feature'])
         pull_request.target_ref = 'branch:{branch}:{commit_id}'.format(
             branch=backend_git.default_branch_name,
             commit_id=commit_ids['old-feature'])
         pull_request.revisions = [commit_ids['new-feature']]
         pull_request.title = u"Test"
         pull_request.description = u"Description"
         pull_request.author = UserModel().get_by_username(
             TEST_USER_ADMIN_LOGIN)
         Session().add(pull_request)
         Session().commit()
 
         vcs = repo.scm_instance()
         vcs.remove_ref('refs/heads/{}'.format(branch_name))
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=repo.repo_name,
             pull_request_id=pull_request.pull_request_id))
 
         assert response.status_int == 200
         assert_response = AssertResponse(response)
         assert_response.element_contains(
             '#changeset_compare_view_content .alert strong',
             'Missing commits')
         assert_response.element_contains(
             '#changeset_compare_view_content .alert',
             'This pull request cannot be displayed, because one or more'
             ' commits no longer exist in the source repository.')
 
     def test_strip_commits_from_pull_request(
             self, backend, pr_util, csrf_token):
         commits = [
             {'message': 'initial-commit'},
             {'message': 'old-feature'},
             {'message': 'new-feature', 'parents': ['initial-commit']},
         ]
         pull_request = pr_util.create_pull_request(
             commits, target_head='initial-commit', source_head='new-feature',
             revisions=['new-feature'])
 
         vcs = pr_util.source_repository.scm_instance()
         if backend.alias == 'git':
             vcs.strip(pr_util.commit_ids['new-feature'], branch_name='master')
         else:
             vcs.strip(pr_util.commit_ids['new-feature'])
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pr_util.target_repository.repo_name,
             pull_request_id=pull_request.pull_request_id))
 
         assert response.status_int == 200
         assert_response = AssertResponse(response)
         assert_response.element_contains(
             '#changeset_compare_view_content .alert strong',
             'Missing commits')
         assert_response.element_contains(
             '#changeset_compare_view_content .alert',
             'This pull request cannot be displayed, because one or more'
             ' commits no longer exist in the source repository.')
         assert_response.element_contains(
             '#update_commits',
             'Update commits')
 
     def test_strip_commits_and_update(
             self, backend, pr_util, csrf_token):
         commits = [
             {'message': 'initial-commit'},
             {'message': 'old-feature'},
             {'message': 'new-feature', 'parents': ['old-feature']},
         ]
         pull_request = pr_util.create_pull_request(
             commits, target_head='old-feature', source_head='new-feature',
             revisions=['new-feature'], mergeable=True)
 
         vcs = pr_util.source_repository.scm_instance()
         if backend.alias == 'git':
             vcs.strip(pr_util.commit_ids['new-feature'], branch_name='master')
         else:
             vcs.strip(pr_util.commit_ids['new-feature'])
 
         response = self.app.post(
             route_path('pullrequest_update',
                 repo_name=pull_request.target_repo.repo_name,
                 pull_request_id=pull_request.pull_request_id),
             params={'update_commits': 'true',
                     'csrf_token': csrf_token})
 
         assert response.status_int == 200
         assert response.body == 'true'
 
         # Make sure that after update, it won't raise 500 errors
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pr_util.target_repository.repo_name,
             pull_request_id=pull_request.pull_request_id))
 
         assert response.status_int == 200
         assert_response = AssertResponse(response)
         assert_response.element_contains(
             '#changeset_compare_view_content .alert strong',
             'Missing commits')
 
     def test_branch_is_a_link(self, pr_util):
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = 'branch:origin:1234567890abcdef'
         pull_request.target_ref = 'branch:target:abcdef1234567890'
         Session().add(pull_request)
         Session().commit()
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
         assert response.status_int == 200
         assert_response = AssertResponse(response)
 
         origin = assert_response.get_element('.pr-origininfo .tag')
         origin_children = origin.getchildren()
         assert len(origin_children) == 1
         target = assert_response.get_element('.pr-targetinfo .tag')
         target_children = target.getchildren()
         assert len(target_children) == 1
 
         expected_origin_link = route_path(
             'repo_changelog',
             repo_name=pull_request.source_repo.scm_instance().name,
             params=dict(branch='origin'))
         expected_target_link = route_path(
             'repo_changelog',
             repo_name=pull_request.target_repo.scm_instance().name,
             params=dict(branch='target'))
         assert origin_children[0].attrib['href'] == expected_origin_link
         assert origin_children[0].text == 'branch: origin'
         assert target_children[0].attrib['href'] == expected_target_link
         assert target_children[0].text == 'branch: target'
 
     def test_bookmark_is_not_a_link(self, pr_util):
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = 'bookmark:origin:1234567890abcdef'
         pull_request.target_ref = 'bookmark:target:abcdef1234567890'
         Session().add(pull_request)
         Session().commit()
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
         assert response.status_int == 200
         assert_response = AssertResponse(response)
 
         origin = assert_response.get_element('.pr-origininfo .tag')
         assert origin.text.strip() == 'bookmark: origin'
         assert origin.getchildren() == []
 
         target = assert_response.get_element('.pr-targetinfo .tag')
         assert target.text.strip() == 'bookmark: target'
         assert target.getchildren() == []
 
     def test_tag_is_not_a_link(self, pr_util):
         pull_request = pr_util.create_pull_request()
         pull_request.source_ref = 'tag:origin:1234567890abcdef'
         pull_request.target_ref = 'tag:target:abcdef1234567890'
         Session().add(pull_request)
         Session().commit()
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
         assert response.status_int == 200
         assert_response = AssertResponse(response)
 
         origin = assert_response.get_element('.pr-origininfo .tag')
         assert origin.text.strip() == 'tag: origin'
         assert origin.getchildren() == []
 
         target = assert_response.get_element('.pr-targetinfo .tag')
         assert target.text.strip() == 'tag: target'
         assert target.getchildren() == []
 
     @pytest.mark.parametrize('mergeable', [True, False])
     def test_shadow_repository_link(
             self, mergeable, pr_util, http_host_only_stub):
         """
         Check that the pull request summary page displays a link to the shadow
         repository if the pull request is mergeable. If it is not mergeable
         the link should not be displayed.
         """
         pull_request = pr_util.create_pull_request(
             mergeable=mergeable, enable_notifications=False)
         target_repo = pull_request.target_repo.scm_instance()
         pr_id = pull_request.pull_request_id
         shadow_url = '{host}/{repo}/pull-request/{pr_id}/repository'.format(
             host=http_host_only_stub, repo=target_repo.name, pr_id=pr_id)
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=target_repo.name,
             pull_request_id=pr_id))
 
         assertr = AssertResponse(response)
         if mergeable:
             assertr.element_value_contains('input.pr-mergeinfo', shadow_url)
             assertr.element_value_contains('input.pr-mergeinfo ', 'pr-merge')
         else:
             assertr.no_element_exists('.pr-mergeinfo')
 
 
 @pytest.mark.usefixtures('app')
 @pytest.mark.backends("git", "hg")
 class TestPullrequestsControllerDelete(object):
     def test_pull_request_delete_button_permissions_admin(
             self, autologin_user, user_admin, pr_util):
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False)
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
 
         response.mustcontain('id="delete_pullrequest"')
         response.mustcontain('Confirm to delete this pull request')
 
     def test_pull_request_delete_button_permissions_owner(
             self, autologin_regular_user, user_regular, pr_util):
         pull_request = pr_util.create_pull_request(
             author=user_regular.username, enable_notifications=False)
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
 
         response.mustcontain('id="delete_pullrequest"')
         response.mustcontain('Confirm to delete this pull request')
 
     def test_pull_request_delete_button_permissions_forbidden(
             self, autologin_regular_user, user_regular, user_admin, pr_util):
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False)
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
         response.mustcontain(no=['id="delete_pullrequest"'])
         response.mustcontain(no=['Confirm to delete this pull request'])
 
     def test_pull_request_delete_button_permissions_can_update_cannot_delete(
             self, autologin_regular_user, user_regular, user_admin, pr_util,
             user_util):
 
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False)
 
         user_util.grant_user_permission_to_repo(
             pull_request.target_repo, user_regular,
             'repository.write')
 
         response = self.app.get(route_path(
             'pullrequest_show',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id))
 
         response.mustcontain('id="open_edit_pullrequest"')
         response.mustcontain('id="delete_pullrequest"')
         response.mustcontain(no=['Confirm to delete this pull request'])
 
     def test_delete_comment_returns_404_if_comment_does_not_exist(
             self, autologin_user, pr_util, user_admin, csrf_token, xhr_header):
 
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False)
 
         self.app.post(
             route_path(
             'pullrequest_comment_delete',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id,
             comment_id=1024404),
             extra_environ=xhr_header,
             params={'csrf_token': csrf_token},
             status=404
         )
 
     def test_delete_comment(
             self, autologin_user, pr_util, user_admin, csrf_token, xhr_header):
 
         pull_request = pr_util.create_pull_request(
             author=user_admin.username, enable_notifications=False)
         comment = pr_util.create_comment()
         comment_id = comment.comment_id
 
         response = self.app.post(
             route_path(
             'pullrequest_comment_delete',
             repo_name=pull_request.target_repo.scm_instance().name,
             pull_request_id=pull_request.pull_request_id,
             comment_id=comment_id),
             extra_environ=xhr_header,
             params={'csrf_token': csrf_token},
             status=200
         )
         assert response.body == 'true'
 
     @pytest.mark.parametrize('url_type', [
         'pullrequest_new',
         'pullrequest_create',
         'pullrequest_update',
         'pullrequest_merge',
     ])
     def test_pull_request_is_forbidden_on_archived_repo(
             self, autologin_user, backend, xhr_header, user_util, url_type):
 
         # create a temporary repo
         source = user_util.create_repo(repo_type=backend.alias)
         repo_name = source.repo_name
         repo = Repository.get_by_repo_name(repo_name)
         repo.archived = True
         Session().commit()
 
         response = self.app.get(
             route_path(url_type, repo_name=repo_name, pull_request_id=1), status=302)
 
         msg = 'Action not supported for archived repository.'
         assert_session_flash(response, msg)
 
 
 def assert_pull_request_status(pull_request, expected_status):
     status = ChangesetStatusModel().calculated_review_status(
         pull_request=pull_request)
     assert status == expected_status
 
 
 @pytest.mark.parametrize('route', ['pullrequest_new', 'pullrequest_create'])
 @pytest.mark.usefixtures("autologin_user")
 def test_forbidde_to_repo_summary_for_svn_repositories(backend_svn, app, route):
     response = app.get(
         route_path(route, repo_name=backend_svn.repo_name), status=404)
 

rhodecode/apps/repository/views/repo_commits.py

@@ -1,590 +1,590 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 
 import logging
 import collections
 
 from pyramid.httpexceptions import HTTPNotFound, HTTPBadRequest, HTTPFound
 from pyramid.view import view_config
 from pyramid.renderers import render
 from pyramid.response import Response
 
 from rhodecode.apps._base import RepoAppView
 
 from rhodecode.lib import diffs, codeblocks
 from rhodecode.lib.auth import (
     LoginRequired, HasRepoPermissionAnyDecorator, NotAnonymous, CSRFRequired)
 
 from rhodecode.lib.compat import OrderedDict
 from rhodecode.lib.diffs import cache_diff, load_cached_diff, diff_cache_exist
 from rhodecode.lib.exceptions import StatusChangeOnClosedPullRequestError
 import rhodecode.lib.helpers as h
 from rhodecode.lib.utils2 import safe_unicode, str2bool
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 from rhodecode.lib.vcs.exceptions import (
     RepositoryError, CommitDoesNotExistError)
 from rhodecode.model.db import ChangesetComment, ChangesetStatus
 from rhodecode.model.changeset_status import ChangesetStatusModel
 from rhodecode.model.comment import CommentsModel
 from rhodecode.model.meta import Session
 from rhodecode.model.settings import VcsSettingsModel
 
 log = logging.getLogger(__name__)
 
 
 def _update_with_GET(params, request):
     for k in ['diff1', 'diff2', 'diff']:
         params[k] += request.GET.getall(k)
 
 
 def get_ignore_ws(fid, request):
     ig_ws_global = request.GET.get('ignorews')
     ig_ws = filter(lambda k: k.startswith('WS'), request.GET.getall(fid))
     if ig_ws:
         try:
             return int(ig_ws[0].split(':')[-1])
         except Exception:
             pass
     return ig_ws_global
 
 
 def _ignorews_url(request, fileid=None):
     _ = request.translate
     fileid = str(fileid) if fileid else None
     params = collections.defaultdict(list)
     _update_with_GET(params, request)
     label = _('Show whitespace')
     tooltiplbl = _('Show whitespace for all diffs')
     ig_ws = get_ignore_ws(fileid, request)
     ln_ctx = get_line_ctx(fileid, request)
 
     if ig_ws is None:
         params['ignorews'] += [1]
         label = _('Ignore whitespace')
         tooltiplbl = _('Ignore whitespace for all diffs')
     ctx_key = 'context'
     ctx_val = ln_ctx
 
     # if we have passed in ln_ctx pass it along to our params
     if ln_ctx:
         params[ctx_key] += [ctx_val]
 
     if fileid:
         params['anchor'] = 'a_' + fileid
     return h.link_to(label, request.current_route_path(_query=params),
                      title=tooltiplbl, class_='tooltip')
 
 
 def get_line_ctx(fid, request):
     ln_ctx_global = request.GET.get('context')
     if fid:
         ln_ctx = filter(lambda k: k.startswith('C'), request.GET.getall(fid))
     else:
         _ln_ctx = filter(lambda k: k.startswith('C'), request.GET)
         ln_ctx = request.GET.get(_ln_ctx[0]) if _ln_ctx else ln_ctx_global
         if ln_ctx:
             ln_ctx = [ln_ctx]
 
     if ln_ctx:
         retval = ln_ctx[0].split(':')[-1]
     else:
         retval = ln_ctx_global
 
     try:
         return min(diffs.MAX_CONTEXT, int(retval))
     except Exception:
         return 3
 
 
 def _context_url(request, fileid=None):
     """
     Generates a url for context lines.
 
     :param fileid:
     """
 
     _ = request.translate
     fileid = str(fileid) if fileid else None
     ig_ws = get_ignore_ws(fileid, request)
     ln_ctx = (get_line_ctx(fileid, request) or 3) * 2
 
     params = collections.defaultdict(list)
     _update_with_GET(params, request)
 
     if ln_ctx > 0:
         params['context'] += [ln_ctx]
 
     if ig_ws:
         ig_ws_key = 'ignorews'
         ig_ws_val = 1
         params[ig_ws_key] += [ig_ws_val]
 
     lbl = _('Increase context')
     tooltiplbl = _('Increase context for all diffs')
 
     if fileid:
         params['anchor'] = 'a_' + fileid
     return h.link_to(lbl, request.current_route_path(_query=params),
                      title=tooltiplbl, class_='tooltip')
 
 
 class RepoCommitsView(RepoAppView):
     def load_default_context(self):
         c = self._get_local_tmpl_context(include_app_defaults=True)
         c.rhodecode_repo = self.rhodecode_vcs_repo
 
         return c
 
     def _is_diff_cache_enabled(self, target_repo):
         caching_enabled = self._get_general_setting(
             target_repo, 'rhodecode_diff_cache')
         log.debug('Diff caching enabled: %s', caching_enabled)
         return caching_enabled
 
     def _commit(self, commit_id_range, method):
         _ = self.request.translate
         c = self.load_default_context()
         c.ignorews_url = _ignorews_url
         c.context_url = _context_url
         c.fulldiff = self.request.GET.get('fulldiff')
 
         # fetch global flags of ignore ws or context lines
         context_lcl = get_line_ctx('', self.request)
         ign_whitespace_lcl = get_ignore_ws('', self.request)
 
         # diff_limit will cut off the whole diff if the limit is applied
         # otherwise it will just hide the big files from the front-end
         diff_limit = c.visual.cut_off_limit_diff
         file_limit = c.visual.cut_off_limit_file
 
         # get ranges of commit ids if preset
         commit_range = commit_id_range.split('...')[:2]
 
         try:
             pre_load = ['affected_files', 'author', 'branch', 'date',
                         'message', 'parents']
 
             if len(commit_range) == 2:
                 commits = self.rhodecode_vcs_repo.get_commits(
                     start_id=commit_range[0], end_id=commit_range[1],
                     pre_load=pre_load)
                 commits = list(commits)
             else:
                 commits = [self.rhodecode_vcs_repo.get_commit(
                     commit_id=commit_id_range, pre_load=pre_load)]
 
             c.commit_ranges = commits
             if not c.commit_ranges:
                 raise RepositoryError(
                     'The commit range returned an empty result')
         except CommitDoesNotExistError:
             msg = _('No such commit exists for this repository')
             h.flash(msg, category='error')
             raise HTTPNotFound()
         except Exception:
             log.exception("General failure")
             raise HTTPNotFound()
 
         c.changes = OrderedDict()
         c.lines_added = 0
         c.lines_deleted = 0
 
         # auto collapse if we have more than limit
         collapse_limit = diffs.DiffProcessor._collapse_commits_over
         c.collapse_all_commits = len(c.commit_ranges) > collapse_limit
 
         c.commit_statuses = ChangesetStatus.STATUSES
         c.inline_comments = []
         c.files = []
 
         c.statuses = []
         c.comments = []
         c.unresolved_comments = []
         if len(c.commit_ranges) == 1:
             commit = c.commit_ranges[0]
             c.comments = CommentsModel().get_comments(
                 self.db_repo.repo_id,
                 revision=commit.raw_id)
             c.statuses.append(ChangesetStatusModel().get_status(
                 self.db_repo.repo_id, commit.raw_id))
             # comments from PR
             statuses = ChangesetStatusModel().get_statuses(
                 self.db_repo.repo_id, commit.raw_id,
                 with_revisions=True)
             prs = set(st.pull_request for st in statuses
                       if st.pull_request is not None)
             # from associated statuses, check the pull requests, and
             # show comments from them
             for pr in prs:
                 c.comments.extend(pr.comments)
 
             c.unresolved_comments = CommentsModel()\
                 .get_commit_unresolved_todos(commit.raw_id)
 
         diff = None
         # Iterate over ranges (default commit view is always one commit)
         for commit in c.commit_ranges:
             c.changes[commit.raw_id] = []
 
             commit2 = commit
-            commit1 = commit.parents[0] if commit.parents else EmptyCommit()
+            commit1 = commit.first_parent
 
             if method == 'show':
                 inline_comments = CommentsModel().get_inline_comments(
                     self.db_repo.repo_id, revision=commit.raw_id)
                 c.inline_cnt = CommentsModel().get_inline_comments_count(
                     inline_comments)
                 c.inline_comments = inline_comments
 
                 cache_path = self.rhodecode_vcs_repo.get_create_shadow_cache_pr_path(
                     self.db_repo)
                 cache_file_path = diff_cache_exist(
                     cache_path, 'diff', commit.raw_id,
                     ign_whitespace_lcl, context_lcl, c.fulldiff)
 
                 caching_enabled = self._is_diff_cache_enabled(self.db_repo)
                 force_recache = str2bool(self.request.GET.get('force_recache'))
 
                 cached_diff = None
                 if caching_enabled:
                     cached_diff = load_cached_diff(cache_file_path)
 
                 has_proper_diff_cache = cached_diff and cached_diff.get('diff')
                 if not force_recache and has_proper_diff_cache:
                     diffset = cached_diff['diff']
                 else:
                     vcs_diff = self.rhodecode_vcs_repo.get_diff(
                         commit1, commit2,
                         ignore_whitespace=ign_whitespace_lcl,
                         context=context_lcl)
 
                     diff_processor = diffs.DiffProcessor(
                         vcs_diff, format='newdiff', diff_limit=diff_limit,
                         file_limit=file_limit, show_full_diff=c.fulldiff)
 
                     _parsed = diff_processor.prepare()
 
                     diffset = codeblocks.DiffSet(
                         repo_name=self.db_repo_name,
                         source_node_getter=codeblocks.diffset_node_getter(commit1),
                         target_node_getter=codeblocks.diffset_node_getter(commit2))
 
                     diffset = self.path_filter.render_patchset_filtered(
                         diffset, _parsed, commit1.raw_id, commit2.raw_id)
 
                     # save cached diff
                     if caching_enabled:
                         cache_diff(cache_file_path, diffset, None)
 
                 c.limited_diff = diffset.limited_diff
                 c.changes[commit.raw_id] = diffset
             else:
                 # TODO(marcink): no cache usage here...
                 _diff = self.rhodecode_vcs_repo.get_diff(
                     commit1, commit2,
                     ignore_whitespace=ign_whitespace_lcl, context=context_lcl)
                 diff_processor = diffs.DiffProcessor(
                     _diff, format='newdiff', diff_limit=diff_limit,
                     file_limit=file_limit, show_full_diff=c.fulldiff)
                 # downloads/raw we only need RAW diff nothing else
                 diff = self.path_filter.get_raw_patch(diff_processor)
                 c.changes[commit.raw_id] = [None, None, None, None, diff, None, None]
 
         # sort comments by how they were generated
         c.comments = sorted(c.comments, key=lambda x: x.comment_id)
 
         if len(c.commit_ranges) == 1:
             c.commit = c.commit_ranges[0]
             c.parent_tmpl = ''.join(
                 '# Parent  %s\n' % x.raw_id for x in c.commit.parents)
 
         if method == 'download':
             response = Response(diff)
             response.content_type = 'text/plain'
             response.content_disposition = (
                 'attachment; filename=%s.diff' % commit_id_range[:12])
             return response
         elif method == 'patch':
             c.diff = safe_unicode(diff)
             patch = render(
                 'rhodecode:templates/changeset/patch_changeset.mako',
                 self._get_template_context(c), self.request)
             response = Response(patch)
             response.content_type = 'text/plain'
             return response
         elif method == 'raw':
             response = Response(diff)
             response.content_type = 'text/plain'
             return response
         elif method == 'show':
             if len(c.commit_ranges) == 1:
                 html = render(
                     'rhodecode:templates/changeset/changeset.mako',
                     self._get_template_context(c), self.request)
                 return Response(html)
             else:
                 c.ancestor = None
                 c.target_repo = self.db_repo
                 html = render(
                     'rhodecode:templates/changeset/changeset_range.mako',
                     self._get_template_context(c), self.request)
                 return Response(html)
 
         raise HTTPBadRequest()
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_commit', request_method='GET',
         renderer=None)
     def repo_commit_show(self):
         commit_id = self.request.matchdict['commit_id']
         return self._commit(commit_id, method='show')
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_commit_raw', request_method='GET',
         renderer=None)
     @view_config(
         route_name='repo_commit_raw_deprecated', request_method='GET',
         renderer=None)
     def repo_commit_raw(self):
         commit_id = self.request.matchdict['commit_id']
         return self._commit(commit_id, method='raw')
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_commit_patch', request_method='GET',
         renderer=None)
     def repo_commit_patch(self):
         commit_id = self.request.matchdict['commit_id']
         return self._commit(commit_id, method='patch')
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_commit_download', request_method='GET',
         renderer=None)
     def repo_commit_download(self):
         commit_id = self.request.matchdict['commit_id']
         return self._commit(commit_id, method='download')
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='repo_commit_comment_create', request_method='POST',
         renderer='json_ext')
     def repo_commit_comment_create(self):
         _ = self.request.translate
         commit_id = self.request.matchdict['commit_id']
 
         c = self.load_default_context()
         status = self.request.POST.get('changeset_status', None)
         text = self.request.POST.get('text')
         comment_type = self.request.POST.get('comment_type')
         resolves_comment_id = self.request.POST.get('resolves_comment_id', None)
 
         if status:
             text = text or (_('Status change %(transition_icon)s %(status)s')
                             % {'transition_icon': '>',
                                'status': ChangesetStatus.get_status_lbl(status)})
 
         multi_commit_ids = []
         for _commit_id in self.request.POST.get('commit_ids', '').split(','):
             if _commit_id not in ['', None, EmptyCommit.raw_id]:
                 if _commit_id not in multi_commit_ids:
                     multi_commit_ids.append(_commit_id)
 
         commit_ids = multi_commit_ids or [commit_id]
 
         comment = None
         for current_id in filter(None, commit_ids):
             comment = CommentsModel().create(
                 text=text,
                 repo=self.db_repo.repo_id,
                 user=self._rhodecode_db_user.user_id,
                 commit_id=current_id,
                 f_path=self.request.POST.get('f_path'),
                 line_no=self.request.POST.get('line'),
                 status_change=(ChangesetStatus.get_status_lbl(status)
                                if status else None),
                 status_change_type=status,
                 comment_type=comment_type,
                 resolves_comment_id=resolves_comment_id,
                 auth_user=self._rhodecode_user
             )
 
             # get status if set !
             if status:
                 # if latest status was from pull request and it's closed
                 # disallow changing status !
                 # dont_allow_on_closed_pull_request = True !
 
                 try:
                     ChangesetStatusModel().set_status(
                         self.db_repo.repo_id,
                         status,
                         self._rhodecode_db_user.user_id,
                         comment,
                         revision=current_id,
                         dont_allow_on_closed_pull_request=True
                     )
                 except StatusChangeOnClosedPullRequestError:
                     msg = _('Changing the status of a commit associated with '
                             'a closed pull request is not allowed')
                     log.exception(msg)
                     h.flash(msg, category='warning')
                     raise HTTPFound(h.route_path(
                         'repo_commit', repo_name=self.db_repo_name,
                         commit_id=current_id))
 
         # finalize, commit and redirect
         Session().commit()
 
         data = {
             'target_id': h.safeid(h.safe_unicode(
                 self.request.POST.get('f_path'))),
         }
         if comment:
             c.co = comment
             rendered_comment = render(
                 'rhodecode:templates/changeset/changeset_comment_block.mako',
                 self._get_template_context(c), self.request)
 
             data.update(comment.get_dict())
             data.update({'rendered_text': rendered_comment})
 
         return data
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='repo_commit_comment_preview', request_method='POST',
         renderer='string', xhr=True)
     def repo_commit_comment_preview(self):
         # Technically a CSRF token is not needed as no state changes with this
         # call. However, as this is a POST is better to have it, so automated
         # tools don't flag it as potential CSRF.
         # Post is required because the payload could be bigger than the maximum
         # allowed by GET.
 
         text = self.request.POST.get('text')
         renderer = self.request.POST.get('renderer') or 'rst'
         if text:
             return h.render(text, renderer=renderer, mentions=True)
         return ''
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='repo_commit_comment_delete', request_method='POST',
         renderer='json_ext')
     def repo_commit_comment_delete(self):
         commit_id = self.request.matchdict['commit_id']
         comment_id = self.request.matchdict['comment_id']
 
         comment = ChangesetComment.get_or_404(comment_id)
         if not comment:
             log.debug('Comment with id:%s not found, skipping', comment_id)
             # comment already deleted in another call probably
             return True
 
         is_repo_admin = h.HasRepoPermissionAny('repository.admin')(self.db_repo_name)
         super_admin = h.HasPermissionAny('hg.admin')()
         comment_owner = (comment.author.user_id == self._rhodecode_db_user.user_id)
         is_repo_comment = comment.repo.repo_name == self.db_repo_name
         comment_repo_admin = is_repo_admin and is_repo_comment
 
         if super_admin or comment_owner or comment_repo_admin:
             CommentsModel().delete(comment=comment, auth_user=self._rhodecode_user)
             Session().commit()
             return True
         else:
             log.warning('No permissions for user %s to delete comment_id: %s',
                         self._rhodecode_db_user, comment_id)
             raise HTTPNotFound()
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_commit_data', request_method='GET',
         renderer='json_ext', xhr=True)
     def repo_commit_data(self):
         commit_id = self.request.matchdict['commit_id']
         self.load_default_context()
 
         try:
             return self.rhodecode_vcs_repo.get_commit(commit_id=commit_id)
         except CommitDoesNotExistError as e:
             return EmptyCommit(message=str(e))
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_commit_children', request_method='GET',
         renderer='json_ext', xhr=True)
     def repo_commit_children(self):
         commit_id = self.request.matchdict['commit_id']
         self.load_default_context()
 
         try:
             commit = self.rhodecode_vcs_repo.get_commit(commit_id=commit_id)
             children = commit.children
         except CommitDoesNotExistError:
             children = []
 
         result = {"results": children}
         return result
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='repo_commit_parents', request_method='GET',
         renderer='json_ext')
     def repo_commit_parents(self):
         commit_id = self.request.matchdict['commit_id']
         self.load_default_context()
 
         try:
             commit = self.rhodecode_vcs_repo.get_commit(commit_id=commit_id)
             parents = commit.parents
         except CommitDoesNotExistError:
             parents = []
         result = {"results": parents}
         return result

rhodecode/apps/repository/views/repo_pull_requests.py

@@ -1,1326 +1,1393 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2011-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import logging
 import collections
 
 import formencode
 import formencode.htmlfill
 import peppercorn
 from pyramid.httpexceptions import (
     HTTPFound, HTTPNotFound, HTTPForbidden, HTTPBadRequest)
 from pyramid.view import view_config
 from pyramid.renderers import render
 
 from rhodecode import events
 from rhodecode.apps._base import RepoAppView, DataGridAppView
 
 from rhodecode.lib import helpers as h, diffs, codeblocks, channelstream
 from rhodecode.lib.base import vcs_operation_context
 from rhodecode.lib.diffs import load_cached_diff, cache_diff, diff_cache_exist
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.auth import (
     LoginRequired, HasRepoPermissionAny, HasRepoPermissionAnyDecorator,
     NotAnonymous, CSRFRequired)
 from rhodecode.lib.utils2 import str2bool, safe_str, safe_unicode
 from rhodecode.lib.vcs.backends.base import EmptyCommit, UpdateFailureReason
 from rhodecode.lib.vcs.exceptions import (CommitDoesNotExistError,
     RepositoryRequirementError, EmptyRepositoryError)
 from rhodecode.model.changeset_status import ChangesetStatusModel
 from rhodecode.model.comment import CommentsModel
 from rhodecode.model.db import (func, or_, PullRequest, PullRequestVersion,
     ChangesetComment, ChangesetStatus, Repository)
 from rhodecode.model.forms import PullRequestForm
 from rhodecode.model.meta import Session
 from rhodecode.model.pull_request import PullRequestModel, MergeCheck
 from rhodecode.model.scm import ScmModel
 
 log = logging.getLogger(__name__)
 
 
 class RepoPullRequestsView(RepoAppView, DataGridAppView):
 
     def load_default_context(self):
         c = self._get_local_tmpl_context(include_app_defaults=True)
         c.REVIEW_STATUS_APPROVED = ChangesetStatus.STATUS_APPROVED
         c.REVIEW_STATUS_REJECTED = ChangesetStatus.STATUS_REJECTED
         # backward compat., we use for OLD PRs a plain renderer
         c.renderer = 'plain'
         return c
 
     def _get_pull_requests_list(
             self, repo_name, source, filter_type, opened_by, statuses):
 
         draw, start, limit = self._extract_chunk(self.request)
         search_q, order_by, order_dir = self._extract_ordering(self.request)
         _render = self.request.get_partial_renderer(
             'rhodecode:templates/data_table/_dt_elements.mako')
 
         # pagination
 
         if filter_type == 'awaiting_review':
             pull_requests = PullRequestModel().get_awaiting_review(
                 repo_name, source=source, opened_by=opened_by,
                 statuses=statuses, offset=start, length=limit,
                 order_by=order_by, order_dir=order_dir)
             pull_requests_total_count = PullRequestModel().count_awaiting_review(
                 repo_name, source=source, statuses=statuses,
                 opened_by=opened_by)
         elif filter_type == 'awaiting_my_review':
             pull_requests = PullRequestModel().get_awaiting_my_review(
                 repo_name, source=source, opened_by=opened_by,
                 user_id=self._rhodecode_user.user_id, statuses=statuses,
                 offset=start, length=limit, order_by=order_by,
                 order_dir=order_dir)
             pull_requests_total_count = PullRequestModel().count_awaiting_my_review(
                 repo_name, source=source, user_id=self._rhodecode_user.user_id,
                 statuses=statuses, opened_by=opened_by)
         else:
             pull_requests = PullRequestModel().get_all(
                 repo_name, source=source, opened_by=opened_by,
                 statuses=statuses, offset=start, length=limit,
                 order_by=order_by, order_dir=order_dir)
             pull_requests_total_count = PullRequestModel().count_all(
                 repo_name, source=source, statuses=statuses,
                 opened_by=opened_by)
 
         data = []
         comments_model = CommentsModel()
         for pr in pull_requests:
             comments = comments_model.get_all_comments(
                 self.db_repo.repo_id, pull_request=pr)
 
             data.append({
                 'name': _render('pullrequest_name',
                                 pr.pull_request_id, pr.target_repo.repo_name),
                 'name_raw': pr.pull_request_id,
                 'status': _render('pullrequest_status',
                                   pr.calculated_review_status()),
                 'title': _render(
                     'pullrequest_title', pr.title, pr.description),
                 'description': h.escape(pr.description),
                 'updated_on': _render('pullrequest_updated_on',
                                       h.datetime_to_time(pr.updated_on)),
                 'updated_on_raw': h.datetime_to_time(pr.updated_on),
                 'created_on': _render('pullrequest_updated_on',
                                       h.datetime_to_time(pr.created_on)),
                 'created_on_raw': h.datetime_to_time(pr.created_on),
                 'author': _render('pullrequest_author',
                                   pr.author.full_contact, ),
                 'author_raw': pr.author.full_name,
                 'comments': _render('pullrequest_comments', len(comments)),
                 'comments_raw': len(comments),
                 'closed': pr.is_closed(),
             })
 
         data = ({
             'draw': draw,
             'data': data,
             'recordsTotal': pull_requests_total_count,
             'recordsFiltered': pull_requests_total_count,
         })
         return data
 
+    def get_recache_flag(self):
+        for flag_name in ['force_recache', 'force-recache', 'no-cache']:
+            flag_val = self.request.GET.get(flag_name)
+            if str2bool(flag_val):
+                return True
+        return False
+
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='pullrequest_show_all', request_method='GET',
         renderer='rhodecode:templates/pullrequests/pullrequests.mako')
     def pull_request_list(self):
         c = self.load_default_context()
 
         req_get = self.request.GET
         c.source = str2bool(req_get.get('source'))
         c.closed = str2bool(req_get.get('closed'))
         c.my = str2bool(req_get.get('my'))
         c.awaiting_review = str2bool(req_get.get('awaiting_review'))
         c.awaiting_my_review = str2bool(req_get.get('awaiting_my_review'))
 
         c.active = 'open'
         if c.my:
             c.active = 'my'
         if c.closed:
             c.active = 'closed'
         if c.awaiting_review and not c.source:
             c.active = 'awaiting'
         if c.source and not c.awaiting_review:
             c.active = 'source'
         if c.awaiting_my_review:
             c.active = 'awaiting_my'
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='pullrequest_show_all_data', request_method='GET',
         renderer='json_ext', xhr=True)
     def pull_request_list_data(self):
         self.load_default_context()
 
         # additional filters
         req_get = self.request.GET
         source = str2bool(req_get.get('source'))
         closed = str2bool(req_get.get('closed'))
         my = str2bool(req_get.get('my'))
         awaiting_review = str2bool(req_get.get('awaiting_review'))
         awaiting_my_review = str2bool(req_get.get('awaiting_my_review'))
 
         filter_type = 'awaiting_review' if awaiting_review \
             else 'awaiting_my_review' if awaiting_my_review \
             else None
 
         opened_by = None
         if my:
             opened_by = [self._rhodecode_user.user_id]
 
         statuses = [PullRequest.STATUS_NEW, PullRequest.STATUS_OPEN]
         if closed:
             statuses = [PullRequest.STATUS_CLOSED]
 
         data = self._get_pull_requests_list(
             repo_name=self.db_repo_name, source=source,
             filter_type=filter_type, opened_by=opened_by, statuses=statuses)
 
         return data
 
     def _is_diff_cache_enabled(self, target_repo):
         caching_enabled = self._get_general_setting(
             target_repo, 'rhodecode_diff_cache')
         log.debug('Diff caching enabled: %s', caching_enabled)
         return caching_enabled
 
     def _get_diffset(self, source_repo_name, source_repo,
                      source_ref_id, target_ref_id,
                      target_commit, source_commit, diff_limit, file_limit,
                      fulldiff):
 
         vcs_diff = PullRequestModel().get_diff(
             source_repo, source_ref_id, target_ref_id)
 
         diff_processor = diffs.DiffProcessor(
             vcs_diff, format='newdiff', diff_limit=diff_limit,
             file_limit=file_limit, show_full_diff=fulldiff)
 
         _parsed = diff_processor.prepare()
 
         diffset = codeblocks.DiffSet(
             repo_name=self.db_repo_name,
             source_repo_name=source_repo_name,
             source_node_getter=codeblocks.diffset_node_getter(target_commit),
             target_node_getter=codeblocks.diffset_node_getter(source_commit),
         )
         diffset = self.path_filter.render_patchset_filtered(
             diffset, _parsed, target_commit.raw_id, source_commit.raw_id)
 
         return diffset
 
+    def _get_range_diffset(self, source_scm, source_repo,
+                           commit1, commit2, diff_limit, file_limit,
+                           fulldiff, ign_whitespace_lcl, context_lcl):
+        vcs_diff = source_scm.get_diff(
+            commit1, commit2,
+            ignore_whitespace=ign_whitespace_lcl,
+            context=context_lcl)
+
+        diff_processor = diffs.DiffProcessor(
+            vcs_diff, format='newdiff', diff_limit=diff_limit,
+            file_limit=file_limit, show_full_diff=fulldiff)
+
+        _parsed = diff_processor.prepare()
+
+        diffset = codeblocks.DiffSet(
+            repo_name=source_repo.repo_name,
+            source_node_getter=codeblocks.diffset_node_getter(commit1),
+            target_node_getter=codeblocks.diffset_node_getter(commit2))
+
+        diffset = self.path_filter.render_patchset_filtered(
+            diffset, _parsed, commit1.raw_id, commit2.raw_id)
+
+        return diffset
+
     @LoginRequired()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='pullrequest_show', request_method='GET',
         renderer='rhodecode:templates/pullrequests/pullrequest_show.mako')
     def pull_request_show(self):
         pull_request_id = self.request.matchdict['pull_request_id']
 
         c = self.load_default_context()
 
         version = self.request.GET.get('version')
         from_version = self.request.GET.get('from_version') or version
         merge_checks = self.request.GET.get('merge_checks')
         c.fulldiff = str2bool(self.request.GET.get('fulldiff'))
         force_refresh = str2bool(self.request.GET.get('force_refresh'))
 
         (pull_request_latest,
          pull_request_at_ver,
          pull_request_display_obj,
          at_version) = PullRequestModel().get_pr_version(
             pull_request_id, version=version)
         pr_closed = pull_request_latest.is_closed()
 
         if pr_closed and (version or from_version):
             # not allow to browse versions
             raise HTTPFound(h.route_path(
                 'pullrequest_show', repo_name=self.db_repo_name,
                 pull_request_id=pull_request_id))
 
         versions = pull_request_display_obj.versions()
+        # used to store per-commit range diffs
+        c.changes = collections.OrderedDict()
+        c.range_diff_on = self.request.GET.get('range-diff') == "1"
 
         c.at_version = at_version
         c.at_version_num = (at_version
                             if at_version and at_version != 'latest'
                             else None)
         c.at_version_pos = ChangesetComment.get_index_from_version(
             c.at_version_num, versions)
 
         (prev_pull_request_latest,
          prev_pull_request_at_ver,
          prev_pull_request_display_obj,
          prev_at_version) = PullRequestModel().get_pr_version(
             pull_request_id, version=from_version)
 
         c.from_version = prev_at_version
         c.from_version_num = (prev_at_version
                               if prev_at_version and prev_at_version != 'latest'
                               else None)
         c.from_version_pos = ChangesetComment.get_index_from_version(
             c.from_version_num, versions)
 
         # define if we're in COMPARE mode or VIEW at version mode
         compare = at_version != prev_at_version
 
         # pull_requests repo_name we opened it against
         # ie. target_repo must match
         if self.db_repo_name != pull_request_at_ver.target_repo.repo_name:
             raise HTTPNotFound()
 
         c.shadow_clone_url = PullRequestModel().get_shadow_clone_url(
             pull_request_at_ver)
 
         c.pull_request = pull_request_display_obj
         c.renderer = pull_request_at_ver.description_renderer or c.renderer
         c.pull_request_latest = pull_request_latest
 
         if compare or (at_version and not at_version == 'latest'):
             c.allowed_to_change_status = False
             c.allowed_to_update = False
             c.allowed_to_merge = False
             c.allowed_to_delete = False
             c.allowed_to_comment = False
             c.allowed_to_close = False
         else:
             can_change_status = PullRequestModel().check_user_change_status(
                 pull_request_at_ver, self._rhodecode_user)
             c.allowed_to_change_status = can_change_status and not pr_closed
 
             c.allowed_to_update = PullRequestModel().check_user_update(
                 pull_request_latest, self._rhodecode_user) and not pr_closed
             c.allowed_to_merge = PullRequestModel().check_user_merge(
                 pull_request_latest, self._rhodecode_user) and not pr_closed
             c.allowed_to_delete = PullRequestModel().check_user_delete(
                 pull_request_latest, self._rhodecode_user) and not pr_closed
             c.allowed_to_comment = not pr_closed
             c.allowed_to_close = c.allowed_to_merge and not pr_closed
 
         c.forbid_adding_reviewers = False
         c.forbid_author_to_review = False
         c.forbid_commit_author_to_review = False
 
         if pull_request_latest.reviewer_data and \
                         'rules' in pull_request_latest.reviewer_data:
             rules = pull_request_latest.reviewer_data['rules'] or {}
             try:
                 c.forbid_adding_reviewers = rules.get(
                     'forbid_adding_reviewers')
                 c.forbid_author_to_review = rules.get(
                     'forbid_author_to_review')
                 c.forbid_commit_author_to_review = rules.get(
                     'forbid_commit_author_to_review')
             except Exception:
                 pass
 
         # check merge capabilities
         _merge_check = MergeCheck.validate(
             pull_request_latest, auth_user=self._rhodecode_user,
             translator=self.request.translate,
             force_shadow_repo_refresh=force_refresh)
         c.pr_merge_errors = _merge_check.error_details
         c.pr_merge_possible = not _merge_check.failed
         c.pr_merge_message = _merge_check.merge_msg
 
         c.pr_merge_info = MergeCheck.get_merge_conditions(
             pull_request_latest, translator=self.request.translate)
 
         c.pull_request_review_status = _merge_check.review_status
         if merge_checks:
             self.request.override_renderer = \
                 'rhodecode:templates/pullrequests/pullrequest_merge_checks.mako'
             return self._get_template_context(c)
 
         comments_model = CommentsModel()
 
         # reviewers and statuses
         c.pull_request_reviewers = pull_request_at_ver.reviewers_statuses()
         allowed_reviewers = [x[0].user_id for x in c.pull_request_reviewers]
 
         # GENERAL COMMENTS with versions #
         q = comments_model._all_general_comments_of_pull_request(pull_request_latest)
         q = q.order_by(ChangesetComment.comment_id.asc())
         general_comments = q
 
         # pick comments we want to render at current version
         c.comment_versions = comments_model.aggregate_comments(
             general_comments, versions, c.at_version_num)
         c.comments = c.comment_versions[c.at_version_num]['until']
 
         # INLINE COMMENTS with versions  #
         q = comments_model._all_inline_comments_of_pull_request(pull_request_latest)
         q = q.order_by(ChangesetComment.comment_id.asc())
         inline_comments = q
 
         c.inline_versions = comments_model.aggregate_comments(
             inline_comments, versions, c.at_version_num, inline=True)
 
         # inject latest version
         latest_ver = PullRequest.get_pr_display_object(
             pull_request_latest, pull_request_latest)
 
         c.versions = versions + [latest_ver]
 
         # if we use version, then do not show later comments
         # than current version
         display_inline_comments = collections.defaultdict(
             lambda: collections.defaultdict(list))
         for co in inline_comments:
             if c.at_version_num:
                 # pick comments that are at least UPTO given version, so we
                 # don't render comments for higher version
                 should_render = co.pull_request_version_id and \
                                 co.pull_request_version_id <= c.at_version_num
             else:
                 # showing all, for 'latest'
                 should_render = True
 
             if should_render:
                 display_inline_comments[co.f_path][co.line_no].append(co)
 
         # load diff data into template context, if we use compare mode then
         # diff is calculated based on changes between versions of PR
 
         source_repo = pull_request_at_ver.source_repo
         source_ref_id = pull_request_at_ver.source_ref_parts.commit_id
 
         target_repo = pull_request_at_ver.target_repo
         target_ref_id = pull_request_at_ver.target_ref_parts.commit_id
 
         if compare:
             # in compare switch the diff base to latest commit from prev version
             target_ref_id = prev_pull_request_display_obj.revisions[0]
 
         # despite opening commits for bookmarks/branches/tags, we always
         # convert this to rev to prevent changes after bookmark or branch change
         c.source_ref_type = 'rev'
         c.source_ref = source_ref_id
 
         c.target_ref_type = 'rev'
         c.target_ref = target_ref_id
 
         c.source_repo = source_repo
         c.target_repo = target_repo
 
         c.commit_ranges = []
         source_commit = EmptyCommit()
         target_commit = EmptyCommit()
         c.missing_requirements = False
 
         source_scm = source_repo.scm_instance()
         target_scm = target_repo.scm_instance()
 
         shadow_scm = None
         try:
             shadow_scm = pull_request_latest.get_shadow_repo()
         except Exception:
             log.debug('Failed to get shadow repo', exc_info=True)
         # try first the existing source_repo, and then shadow
         # repo if we can obtain one
         commits_source_repo = source_scm or shadow_scm
 
         c.commits_source_repo = commits_source_repo
         c.ancestor = None  # set it to None, to hide it from PR view
 
         # empty version means latest, so we keep this to prevent
         # double caching
         version_normalized = version or 'latest'
         from_version_normalized = from_version or 'latest'
 
-        cache_path = self.rhodecode_vcs_repo.get_create_shadow_cache_pr_path(
-            target_repo)
+        cache_path = self.rhodecode_vcs_repo.get_create_shadow_cache_pr_path(target_repo)
         cache_file_path = diff_cache_exist(
             cache_path, 'pull_request', pull_request_id, version_normalized,
             from_version_normalized, source_ref_id, target_ref_id, c.fulldiff)
 
         caching_enabled = self._is_diff_cache_enabled(c.target_repo)
-        force_recache = str2bool(self.request.GET.get('force_recache'))
+        force_recache = self.get_recache_flag()
 
         cached_diff = None
         if caching_enabled:
             cached_diff = load_cached_diff(cache_file_path)
 
         has_proper_commit_cache = (
                 cached_diff and cached_diff.get('commits')
                 and len(cached_diff.get('commits', [])) == 5
                 and cached_diff.get('commits')[0]
                 and cached_diff.get('commits')[3])
-        if not force_recache and has_proper_commit_cache:
+
+        if not force_recache and not c.range_diff_on and has_proper_commit_cache:
             diff_commit_cache = \
                 (ancestor_commit, commit_cache, missing_requirements,
                  source_commit, target_commit) = cached_diff['commits']
         else:
             diff_commit_cache = \
                 (ancestor_commit, commit_cache, missing_requirements,
                  source_commit, target_commit) = self.get_commits(
                     commits_source_repo,
                     pull_request_at_ver,
                     source_commit,
                     source_ref_id,
                     source_scm,
                     target_commit,
                     target_ref_id,
                     target_scm)
 
         # register our commit range
         for comm in commit_cache.values():
             c.commit_ranges.append(comm)
 
         c.missing_requirements = missing_requirements
         c.ancestor_commit = ancestor_commit
         c.statuses = source_repo.statuses(
             [x.raw_id for x in c.commit_ranges])
 
         # auto collapse if we have more than limit
         collapse_limit = diffs.DiffProcessor._collapse_commits_over
         c.collapse_all_commits = len(c.commit_ranges) > collapse_limit
         c.compare_mode = compare
 
         # diff_limit is the old behavior, will cut off the whole diff
         # if the limit is applied  otherwise will just hide the
         # big files from the front-end
         diff_limit = c.visual.cut_off_limit_diff
         file_limit = c.visual.cut_off_limit_file
 
         c.missing_commits = False
         if (c.missing_requirements
             or isinstance(source_commit, EmptyCommit)
             or source_commit == target_commit):
 
             c.missing_commits = True
         else:
             c.inline_comments = display_inline_comments
 
             has_proper_diff_cache = cached_diff and cached_diff.get('commits')
             if not force_recache and has_proper_diff_cache:
                 c.diffset = cached_diff['diff']
                 (ancestor_commit, commit_cache, missing_requirements,
                  source_commit, target_commit) = cached_diff['commits']
             else:
                 c.diffset = self._get_diffset(
                     c.source_repo.repo_name, commits_source_repo,
                     source_ref_id, target_ref_id,
                     target_commit, source_commit,
                     diff_limit, file_limit, c.fulldiff)
 
                 # save cached diff
                 if caching_enabled:
                     cache_diff(cache_file_path, c.diffset, diff_commit_cache)
 
             c.limited_diff = c.diffset.limited_diff
 
             # calculate removed files that are bound to comments
             comment_deleted_files = [
                 fname for fname in display_inline_comments
                 if fname not in c.diffset.file_stats]
 
             c.deleted_files_comments = collections.defaultdict(dict)
             for fname, per_line_comments in display_inline_comments.items():
                 if fname in comment_deleted_files:
                     c.deleted_files_comments[fname]['stats'] = 0
                     c.deleted_files_comments[fname]['comments'] = list()
                     for lno, comments in per_line_comments.items():
-                        c.deleted_files_comments[fname]['comments'].extend(
-                            comments)
+                        c.deleted_files_comments[fname]['comments'].extend(comments)
+
+            # maybe calculate the range diff
+            if c.range_diff_on:
+                # TODO(marcink): set whitespace/context
+                context_lcl = 3
+                ign_whitespace_lcl = False
+
+                for commit in c.commit_ranges:
+                    commit2 = commit
+                    commit1 = commit.first_parent
+
+                    range_diff_cache_file_path = diff_cache_exist(
+                        cache_path, 'diff', commit.raw_id,
+                        ign_whitespace_lcl, context_lcl, c.fulldiff)
+
+                    cached_diff = None
+                    if caching_enabled:
+                        cached_diff = load_cached_diff(range_diff_cache_file_path)
+
+                    has_proper_diff_cache = cached_diff and cached_diff.get('diff')
+                    if not force_recache and has_proper_diff_cache:
+                        diffset = cached_diff['diff']
+                    else:
+                        diffset = self._get_range_diffset(
+                            source_scm, source_repo,
+                            commit1, commit2, diff_limit, file_limit,
+                            c.fulldiff, ign_whitespace_lcl, context_lcl
+                        )
+
+                    # save cached diff
+                    if caching_enabled:
+                        cache_diff(range_diff_cache_file_path, diffset, None)
+
+                    c.changes[commit.raw_id] = diffset
 
         # this is a hack to properly display links, when creating PR, the
         # compare view and others uses different notation, and
         # compare_commits.mako renders links based on the target_repo.
         # We need to swap that here to generate it properly on the html side
         c.target_repo = c.source_repo
 
         c.commit_statuses = ChangesetStatus.STATUSES
 
         c.show_version_changes = not pr_closed
         if c.show_version_changes:
             cur_obj = pull_request_at_ver
             prev_obj = prev_pull_request_at_ver
 
             old_commit_ids = prev_obj.revisions
             new_commit_ids = cur_obj.revisions
             commit_changes = PullRequestModel()._calculate_commit_id_changes(
                 old_commit_ids, new_commit_ids)
             c.commit_changes_summary = commit_changes
 
             # calculate the diff for commits between versions
             c.commit_changes = []
             mark = lambda cs, fw: list(
                 h.itertools.izip_longest([], cs, fillvalue=fw))
             for c_type, raw_id in mark(commit_changes.added, 'a') \
                                 + mark(commit_changes.removed, 'r') \
                                 + mark(commit_changes.common, 'c'):
 
                 if raw_id in commit_cache:
                     commit = commit_cache[raw_id]
                 else:
                     try:
                         commit = commits_source_repo.get_commit(raw_id)
                     except CommitDoesNotExistError:
                         # in case we fail extracting still use "dummy" commit
                         # for display in commit diff
                         commit = h.AttributeDict(
                             {'raw_id': raw_id,
                              'message': 'EMPTY or MISSING COMMIT'})
                 c.commit_changes.append([c_type, commit])
 
             # current user review statuses for each version
             c.review_versions = {}
             if self._rhodecode_user.user_id in allowed_reviewers:
                 for co in general_comments:
                     if co.author.user_id == self._rhodecode_user.user_id:
                         status = co.status_change
                         if status:
                             _ver_pr = status[0].comment.pull_request_version_id
                             c.review_versions[_ver_pr] = status[0]
 
         return self._get_template_context(c)
 
     def get_commits(
             self, commits_source_repo, pull_request_at_ver, source_commit,
             source_ref_id, source_scm, target_commit, target_ref_id, target_scm):
         commit_cache = collections.OrderedDict()
         missing_requirements = False
         try:
-            pre_load = ["author", "branch", "date", "message"]
+            pre_load = ["author", "branch", "date", "message", "parents"]
             show_revs = pull_request_at_ver.revisions
             for rev in show_revs:
                 comm = commits_source_repo.get_commit(
                     commit_id=rev, pre_load=pre_load)
                 commit_cache[comm.raw_id] = comm
 
             # Order here matters, we first need to get target, and then
             # the source
             target_commit = commits_source_repo.get_commit(
                 commit_id=safe_str(target_ref_id))
 
             source_commit = commits_source_repo.get_commit(
                 commit_id=safe_str(source_ref_id))
         except CommitDoesNotExistError:
             log.warning(
                 'Failed to get commit from `{}` repo'.format(
                     commits_source_repo), exc_info=True)
         except RepositoryRequirementError:
             log.warning(
                 'Failed to get all required data from repo', exc_info=True)
             missing_requirements = True
         ancestor_commit = None
         try:
             ancestor_id = source_scm.get_common_ancestor(
                 source_commit.raw_id, target_commit.raw_id, target_scm)
             ancestor_commit = source_scm.get_commit(ancestor_id)
         except Exception:
             ancestor_commit = None
         return ancestor_commit, commit_cache, missing_requirements, source_commit, target_commit
 
     def assure_not_empty_repo(self):
         _ = self.request.translate
 
         try:
             self.db_repo.scm_instance().get_commit()
         except EmptyRepositoryError:
             h.flash(h.literal(_('There are no commits yet')),
                     category='warning')
             raise HTTPFound(
                 h.route_path('repo_summary', repo_name=self.db_repo.repo_name))
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='pullrequest_new', request_method='GET',
         renderer='rhodecode:templates/pullrequests/pullrequest.mako')
     def pull_request_new(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         self.assure_not_empty_repo()
         source_repo = self.db_repo
 
         commit_id = self.request.GET.get('commit')
         branch_ref = self.request.GET.get('branch')
         bookmark_ref = self.request.GET.get('bookmark')
 
         try:
             source_repo_data = PullRequestModel().generate_repo_data(
                 source_repo, commit_id=commit_id,
                 branch=branch_ref, bookmark=bookmark_ref,
                 translator=self.request.translate)
         except CommitDoesNotExistError as e:
             log.exception(e)
             h.flash(_('Commit does not exist'), 'error')
             raise HTTPFound(
                 h.route_path('pullrequest_new', repo_name=source_repo.repo_name))
 
         default_target_repo = source_repo
 
         if source_repo.parent:
             parent_vcs_obj = source_repo.parent.scm_instance()
             if parent_vcs_obj and not parent_vcs_obj.is_empty():
                 # change default if we have a parent repo
                 default_target_repo = source_repo.parent
 
         target_repo_data = PullRequestModel().generate_repo_data(
             default_target_repo, translator=self.request.translate)
 
         selected_source_ref = source_repo_data['refs']['selected_ref']
         title_source_ref = ''
         if selected_source_ref:
             title_source_ref = selected_source_ref.split(':', 2)[1]
         c.default_title = PullRequestModel().generate_pullrequest_title(
             source=source_repo.repo_name,
             source_ref=title_source_ref,
             target=default_target_repo.repo_name
         )
 
         c.default_repo_data = {
             'source_repo_name': source_repo.repo_name,
             'source_refs_json': json.dumps(source_repo_data),
             'target_repo_name': default_target_repo.repo_name,
             'target_refs_json': json.dumps(target_repo_data),
         }
         c.default_source_ref = selected_source_ref
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='pullrequest_repo_refs', request_method='GET',
         renderer='json_ext', xhr=True)
     def pull_request_repo_refs(self):
         self.load_default_context()
         target_repo_name = self.request.matchdict['target_repo_name']
         repo = Repository.get_by_repo_name(target_repo_name)
         if not repo:
             raise HTTPNotFound()
 
         target_perm = HasRepoPermissionAny(
             'repository.read', 'repository.write', 'repository.admin')(
             target_repo_name)
         if not target_perm:
             raise HTTPNotFound()
 
         return PullRequestModel().generate_repo_data(
             repo, translator=self.request.translate)
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @view_config(
         route_name='pullrequest_repo_destinations', request_method='GET',
         renderer='json_ext', xhr=True)
     def pull_request_repo_destinations(self):
         _ = self.request.translate
         filter_query = self.request.GET.get('query')
 
         query = Repository.query() \
             .order_by(func.length(Repository.repo_name)) \
             .filter(
                 or_(Repository.repo_name == self.db_repo.repo_name,
                     Repository.fork_id == self.db_repo.repo_id))
 
         if filter_query:
             ilike_expression = u'%{}%'.format(safe_unicode(filter_query))
             query = query.filter(
                 Repository.repo_name.ilike(ilike_expression))
 
         add_parent = False
         if self.db_repo.parent:
             if filter_query in self.db_repo.parent.repo_name:
                 parent_vcs_obj = self.db_repo.parent.scm_instance()
                 if parent_vcs_obj and not parent_vcs_obj.is_empty():
                     add_parent = True
 
         limit = 20 - 1 if add_parent else 20
         all_repos = query.limit(limit).all()
         if add_parent:
             all_repos += [self.db_repo.parent]
 
         repos = []
         for obj in ScmModel().get_repos(all_repos):
             repos.append({
                 'id': obj['name'],
                 'text': obj['name'],
                 'type': 'repo',
                 'repo_id': obj['dbrepo']['repo_id'],
                 'repo_type': obj['dbrepo']['repo_type'],
                 'private': obj['dbrepo']['private'],
 
             })
 
         data = {
             'more': False,
             'results': [{
                 'text': _('Repositories'),
                 'children': repos
             }] if repos else []
         }
         return data
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='pullrequest_create', request_method='POST',
         renderer=None)
     def pull_request_create(self):
         _ = self.request.translate
         self.assure_not_empty_repo()
         self.load_default_context()
 
         controls = peppercorn.parse(self.request.POST.items())
 
         try:
             form = PullRequestForm(
                 self.request.translate, self.db_repo.repo_id)()
             _form = form.to_python(controls)
         except formencode.Invalid as errors:
             if errors.error_dict.get('revisions'):
                 msg = 'Revisions: %s' % errors.error_dict['revisions']
             elif errors.error_dict.get('pullrequest_title'):
                 msg = errors.error_dict.get('pullrequest_title')
             else:
                 msg = _('Error creating pull request: {}').format(errors)
             log.exception(msg)
             h.flash(msg, 'error')
 
             # would rather just go back to form ...
             raise HTTPFound(
                 h.route_path('pullrequest_new', repo_name=self.db_repo_name))
 
         source_repo = _form['source_repo']
         source_ref = _form['source_ref']
         target_repo = _form['target_repo']
         target_ref = _form['target_ref']
         commit_ids = _form['revisions'][::-1]
 
         # find the ancestor for this pr
         source_db_repo = Repository.get_by_repo_name(_form['source_repo'])
         target_db_repo = Repository.get_by_repo_name(_form['target_repo'])
 
         # re-check permissions again here
         # source_repo we must have read permissions
 
         source_perm = HasRepoPermissionAny(
             'repository.read',
             'repository.write', 'repository.admin')(source_db_repo.repo_name)
         if not source_perm:
             msg = _('Not Enough permissions to source repo `{}`.'.format(
                 source_db_repo.repo_name))
             h.flash(msg, category='error')
             # copy the args back to redirect
             org_query = self.request.GET.mixed()
             raise HTTPFound(
                 h.route_path('pullrequest_new', repo_name=self.db_repo_name,
                              _query=org_query))
 
         # target repo we must have read permissions, and also later on
         # we want to check branch permissions here
         target_perm = HasRepoPermissionAny(
             'repository.read',
             'repository.write', 'repository.admin')(target_db_repo.repo_name)
         if not target_perm:
             msg = _('Not Enough permissions to target repo `{}`.'.format(
                 target_db_repo.repo_name))
             h.flash(msg, category='error')
             # copy the args back to redirect
             org_query = self.request.GET.mixed()
             raise HTTPFound(
                 h.route_path('pullrequest_new', repo_name=self.db_repo_name,
                              _query=org_query))
 
         source_scm = source_db_repo.scm_instance()
         target_scm = target_db_repo.scm_instance()
 
         source_commit = source_scm.get_commit(source_ref.split(':')[-1])
         target_commit = target_scm.get_commit(target_ref.split(':')[-1])
 
         ancestor = source_scm.get_common_ancestor(
             source_commit.raw_id, target_commit.raw_id, target_scm)
 
         # recalculate target ref based on ancestor
         target_ref_type, target_ref_name, __ = _form['target_ref'].split(':')
         target_ref = ':'.join((target_ref_type, target_ref_name, ancestor))
 
         get_default_reviewers_data, validate_default_reviewers = \
             PullRequestModel().get_reviewer_functions()
 
         # recalculate reviewers logic, to make sure we can validate this
         reviewer_rules = get_default_reviewers_data(
             self._rhodecode_db_user, source_db_repo,
             source_commit, target_db_repo, target_commit)
 
         given_reviewers = _form['review_members']
         reviewers = validate_default_reviewers(
             given_reviewers, reviewer_rules)
 
         pullrequest_title = _form['pullrequest_title']
         title_source_ref = source_ref.split(':', 2)[1]
         if not pullrequest_title:
             pullrequest_title = PullRequestModel().generate_pullrequest_title(
                 source=source_repo,
                 source_ref=title_source_ref,
                 target=target_repo
             )
 
         description = _form['pullrequest_desc']
         description_renderer = _form['description_renderer']
 
         try:
             pull_request = PullRequestModel().create(
                 created_by=self._rhodecode_user.user_id,
                 source_repo=source_repo,
                 source_ref=source_ref,
                 target_repo=target_repo,
                 target_ref=target_ref,
                 revisions=commit_ids,
                 reviewers=reviewers,
                 title=pullrequest_title,
                 description=description,
                 description_renderer=description_renderer,
                 reviewer_data=reviewer_rules,
                 auth_user=self._rhodecode_user
             )
             Session().commit()
 
             h.flash(_('Successfully opened new pull request'),
                     category='success')
         except Exception:
             msg = _('Error occurred during creation of this pull request.')
             log.exception(msg)
             h.flash(msg, category='error')
 
             # copy the args back to redirect
             org_query = self.request.GET.mixed()
             raise HTTPFound(
                 h.route_path('pullrequest_new', repo_name=self.db_repo_name,
                              _query=org_query))
 
         raise HTTPFound(
             h.route_path('pullrequest_show', repo_name=target_repo,
                          pull_request_id=pull_request.pull_request_id))
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='pullrequest_update', request_method='POST',
         renderer='json_ext')
     def pull_request_update(self):
         pull_request = PullRequest.get_or_404(
             self.request.matchdict['pull_request_id'])
         _ = self.request.translate
 
         self.load_default_context()
 
         if pull_request.is_closed():
             log.debug('update: forbidden because pull request is closed')
             msg = _(u'Cannot update closed pull requests.')
             h.flash(msg, category='error')
             return True
 
         # only owner or admin can update it
         allowed_to_update = PullRequestModel().check_user_update(
             pull_request, self._rhodecode_user)
         if allowed_to_update:
             controls = peppercorn.parse(self.request.POST.items())
 
             if 'review_members' in controls:
                 self._update_reviewers(
                     pull_request, controls['review_members'],
                     pull_request.reviewer_data)
             elif str2bool(self.request.POST.get('update_commits', 'false')):
                 self._update_commits(pull_request)
             elif str2bool(self.request.POST.get('edit_pull_request', 'false')):
                 self._edit_pull_request(pull_request)
             else:
                 raise HTTPBadRequest()
             return True
         raise HTTPForbidden()
 
     def _edit_pull_request(self, pull_request):
         _ = self.request.translate
 
         try:
             PullRequestModel().edit(
                 pull_request,
                 self.request.POST.get('title'),
                 self.request.POST.get('description'),
                 self.request.POST.get('description_renderer'),
                 self._rhodecode_user)
         except ValueError:
             msg = _(u'Cannot update closed pull requests.')
             h.flash(msg, category='error')
             return
         else:
             Session().commit()
 
         msg = _(u'Pull request title & description updated.')
         h.flash(msg, category='success')
         return
 
     def _update_commits(self, pull_request):
         _ = self.request.translate
         resp = PullRequestModel().update_commits(pull_request)
 
         if resp.executed:
 
             if resp.target_changed and resp.source_changed:
                 changed = 'target and source repositories'
             elif resp.target_changed and not resp.source_changed:
                 changed = 'target repository'
             elif not resp.target_changed and resp.source_changed:
                 changed = 'source repository'
             else:
                 changed = 'nothing'
 
             msg = _(
                 u'Pull request updated to "{source_commit_id}" with '
                 u'{count_added} added, {count_removed} removed commits. '
                 u'Source of changes: {change_source}')
             msg = msg.format(
                 source_commit_id=pull_request.source_ref_parts.commit_id,
                 count_added=len(resp.changes.added),
                 count_removed=len(resp.changes.removed),
                 change_source=changed)
             h.flash(msg, category='success')
 
             channel = '/repo${}$/pr/{}'.format(
                 pull_request.target_repo.repo_name,
                 pull_request.pull_request_id)
             message = msg + (
                 ' - <a onclick="window.location.reload()">'
                 '<strong>{}</strong></a>'.format(_('Reload page')))
             channelstream.post_message(
                 channel, message, self._rhodecode_user.username,
                 registry=self.request.registry)
         else:
             msg = PullRequestModel.UPDATE_STATUS_MESSAGES[resp.reason]
             warning_reasons = [
                 UpdateFailureReason.NO_CHANGE,
                 UpdateFailureReason.WRONG_REF_TYPE,
             ]
             category = 'warning' if resp.reason in warning_reasons else 'error'
             h.flash(msg, category=category)
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='pullrequest_merge', request_method='POST',
         renderer='json_ext')
     def pull_request_merge(self):
         """
         Merge will perform a server-side merge of the specified
         pull request, if the pull request is approved and mergeable.
         After successful merging, the pull request is automatically
         closed, with a relevant comment.
         """
         pull_request = PullRequest.get_or_404(
             self.request.matchdict['pull_request_id'])
 
         self.load_default_context()
         check = MergeCheck.validate(
             pull_request, auth_user=self._rhodecode_user,
             translator=self.request.translate)
         merge_possible = not check.failed
 
         for err_type, error_msg in check.errors:
             h.flash(error_msg, category=err_type)
 
         if merge_possible:
             log.debug("Pre-conditions checked, trying to merge.")
             extras = vcs_operation_context(
                 self.request.environ, repo_name=pull_request.target_repo.repo_name,
                 username=self._rhodecode_db_user.username, action='push',
                 scm=pull_request.target_repo.repo_type)
             self._merge_pull_request(
                 pull_request, self._rhodecode_db_user, extras)
         else:
             log.debug("Pre-conditions failed, NOT merging.")
 
         raise HTTPFound(
             h.route_path('pullrequest_show',
                          repo_name=pull_request.target_repo.repo_name,
                          pull_request_id=pull_request.pull_request_id))
 
     def _merge_pull_request(self, pull_request, user, extras):
         _ = self.request.translate
         merge_resp = PullRequestModel().merge_repo(pull_request, user, extras=extras)
 
         if merge_resp.executed:
             log.debug("The merge was successful, closing the pull request.")
             PullRequestModel().close_pull_request(
                 pull_request.pull_request_id, user)
             Session().commit()
             msg = _('Pull request was successfully merged and closed.')
             h.flash(msg, category='success')
         else:
             log.debug(
                 "The merge was not successful. Merge response: %s",
                 merge_resp)
             msg = PullRequestModel().merge_status_message(
                 merge_resp.failure_reason)
             h.flash(msg, category='error')
 
     def _update_reviewers(self, pull_request, review_members, reviewer_rules):
         _ = self.request.translate
         get_default_reviewers_data, validate_default_reviewers = \
             PullRequestModel().get_reviewer_functions()
 
         try:
             reviewers = validate_default_reviewers(review_members, reviewer_rules)
         except ValueError as e:
             log.error('Reviewers Validation: {}'.format(e))
             h.flash(e, category='error')
             return
 
         PullRequestModel().update_reviewers(
             pull_request, reviewers, self._rhodecode_user)
         h.flash(_('Pull request reviewers updated.'), category='success')
         Session().commit()
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='pullrequest_delete', request_method='POST',
         renderer='json_ext')
     def pull_request_delete(self):
         _ = self.request.translate
 
         pull_request = PullRequest.get_or_404(
             self.request.matchdict['pull_request_id'])
         self.load_default_context()
 
         pr_closed = pull_request.is_closed()
         allowed_to_delete = PullRequestModel().check_user_delete(
             pull_request, self._rhodecode_user) and not pr_closed
 
         # only owner can delete it !
         if allowed_to_delete:
             PullRequestModel().delete(pull_request, self._rhodecode_user)
             Session().commit()
             h.flash(_('Successfully deleted pull request'),
                     category='success')
             raise HTTPFound(h.route_path('pullrequest_show_all',
                                          repo_name=self.db_repo_name))
 
         log.warning('user %s tried to delete pull request without access',
                     self._rhodecode_user)
         raise HTTPNotFound()
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='pullrequest_comment_create', request_method='POST',
         renderer='json_ext')
     def pull_request_comment_create(self):
         _ = self.request.translate
 
         pull_request = PullRequest.get_or_404(
             self.request.matchdict['pull_request_id'])
         pull_request_id = pull_request.pull_request_id
 
         if pull_request.is_closed():
             log.debug('comment: forbidden because pull request is closed')
             raise HTTPForbidden()
 
         allowed_to_comment = PullRequestModel().check_user_comment(
             pull_request, self._rhodecode_user)
         if not allowed_to_comment:
             log.debug(
                 'comment: forbidden because pull request is from forbidden repo')
             raise HTTPForbidden()
 
         c = self.load_default_context()
 
         status = self.request.POST.get('changeset_status', None)
         text = self.request.POST.get('text')
         comment_type = self.request.POST.get('comment_type')
         resolves_comment_id = self.request.POST.get('resolves_comment_id', None)
         close_pull_request = self.request.POST.get('close_pull_request')
 
         # the logic here should work like following, if we submit close
         # pr comment, use `close_pull_request_with_comment` function
         # else handle regular comment logic
 
         if close_pull_request:
             # only owner or admin or person with write permissions
             allowed_to_close = PullRequestModel().check_user_update(
                 pull_request, self._rhodecode_user)
             if not allowed_to_close:
                 log.debug('comment: forbidden because not allowed to close '
                           'pull request %s', pull_request_id)
                 raise HTTPForbidden()
             comment, status = PullRequestModel().close_pull_request_with_comment(
                 pull_request, self._rhodecode_user, self.db_repo, message=text,
                 auth_user=self._rhodecode_user)
             Session().flush()
             events.trigger(
                 events.PullRequestCommentEvent(pull_request, comment))
 
         else:
             # regular comment case, could be inline, or one with status.
             # for that one we check also permissions
 
             allowed_to_change_status = PullRequestModel().check_user_change_status(
                 pull_request, self._rhodecode_user)
 
             if status and allowed_to_change_status:
                 message = (_('Status change %(transition_icon)s %(status)s')
                            % {'transition_icon': '>',
                               'status': ChangesetStatus.get_status_lbl(status)})
                 text = text or message
 
             comment = CommentsModel().create(
                 text=text,
                 repo=self.db_repo.repo_id,
                 user=self._rhodecode_user.user_id,
                 pull_request=pull_request,
                 f_path=self.request.POST.get('f_path'),
                 line_no=self.request.POST.get('line'),
                 status_change=(ChangesetStatus.get_status_lbl(status)
                                if status and allowed_to_change_status else None),
                 status_change_type=(status
                                     if status and allowed_to_change_status else None),
                 comment_type=comment_type,
                 resolves_comment_id=resolves_comment_id,
                 auth_user=self._rhodecode_user
             )
 
             if allowed_to_change_status:
                 # calculate old status before we change it
                 old_calculated_status = pull_request.calculated_review_status()
 
                 # get status if set !
                 if status:
                     ChangesetStatusModel().set_status(
                         self.db_repo.repo_id,
                         status,
                         self._rhodecode_user.user_id,
                         comment,
                         pull_request=pull_request
                     )
 
                 Session().flush()
                 # this is somehow required to get access to some relationship
                 # loaded on comment
                 Session().refresh(comment)
 
                 events.trigger(
                     events.PullRequestCommentEvent(pull_request, comment))
 
                 # we now calculate the status of pull request, and based on that
                 # calculation we set the commits status
                 calculated_status = pull_request.calculated_review_status()
                 if old_calculated_status != calculated_status:
                     PullRequestModel()._trigger_pull_request_hook(
                         pull_request, self._rhodecode_user, 'review_status_change')
 
         Session().commit()
 
         data = {
             'target_id': h.safeid(h.safe_unicode(
                 self.request.POST.get('f_path'))),
         }
         if comment:
             c.co = comment
             rendered_comment = render(
                 'rhodecode:templates/changeset/changeset_comment_block.mako',
                 self._get_template_context(c), self.request)
 
             data.update(comment.get_dict())
             data.update({'rendered_text': rendered_comment})
 
         return data
 
     @LoginRequired()
     @NotAnonymous()
     @HasRepoPermissionAnyDecorator(
         'repository.read', 'repository.write', 'repository.admin')
     @CSRFRequired()
     @view_config(
         route_name='pullrequest_comment_delete', request_method='POST',
         renderer='json_ext')
     def pull_request_comment_delete(self):
         pull_request = PullRequest.get_or_404(
             self.request.matchdict['pull_request_id'])
 
         comment = ChangesetComment.get_or_404(
             self.request.matchdict['comment_id'])
         comment_id = comment.comment_id
 
         if pull_request.is_closed():
             log.debug('comment: forbidden because pull request is closed')
             raise HTTPForbidden()
 
         if not comment:
             log.debug('Comment with id:%s not found, skipping', comment_id)
             # comment already deleted in another call probably
             return True
 
         if comment.pull_request.is_closed():
             # don't allow deleting comments on closed pull request
             raise HTTPForbidden()
 
         is_repo_admin = h.HasRepoPermissionAny('repository.admin')(self.db_repo_name)
         super_admin = h.HasPermissionAny('hg.admin')()
         comment_owner = comment.author.user_id == self._rhodecode_user.user_id
         is_repo_comment = comment.repo.repo_name == self.db_repo_name
         comment_repo_admin = is_repo_admin and is_repo_comment
 
         if super_admin or comment_owner or comment_repo_admin:
             old_calculated_status = comment.pull_request.calculated_review_status()
             CommentsModel().delete(comment=comment, auth_user=self._rhodecode_user)
             Session().commit()
             calculated_status = comment.pull_request.calculated_review_status()
             if old_calculated_status != calculated_status:
                 PullRequestModel()._trigger_pull_request_hook(
                     comment.pull_request, self._rhodecode_user, 'review_status_change')
             return True
         else:
             log.warning('No permissions for user %s to delete comment_id: %s',
                         self._rhodecode_db_user, comment_id)
             raise HTTPNotFound()

rhodecode/lib/codeblocks.py

@@ -1,762 +1,771 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2011-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import logging
 import difflib
 from itertools import groupby
 
 from pygments import lex
 from pygments.formatters.html import _get_ttype_class as pygment_token_class
 from pygments.lexers.special import TextLexer, Token
 from pygments.lexers import get_lexer_by_name
 
 from rhodecode.lib.helpers import (
     get_lexer_for_filenode, html_escape, get_custom_lexer)
 from rhodecode.lib.utils2 import AttributeDict, StrictAttributeDict, safe_unicode
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.lib.vcs.exceptions import VCSError, NodeDoesNotExistError
 from rhodecode.lib.diff_match_patch import diff_match_patch
 from rhodecode.lib.diffs import LimitedDiffContainer, DEL_FILENODE, BIN_FILENODE
 
 
 plain_text_lexer = get_lexer_by_name(
     'text', stripall=False, stripnl=False, ensurenl=False)
 
 
 log = logging.getLogger(__name__)
 
 
 def filenode_as_lines_tokens(filenode, lexer=None):
     org_lexer = lexer
     lexer = lexer or get_lexer_for_filenode(filenode)
     log.debug('Generating file node pygment tokens for %s, %s, org_lexer:%s',
               lexer, filenode, org_lexer)
     tokens = tokenize_string(filenode.content, lexer)
     lines = split_token_stream(tokens)
     rv = list(lines)
     return rv
 
 
 def tokenize_string(content, lexer):
     """
     Use pygments to tokenize some content based on a lexer
     ensuring all original new lines and whitespace is preserved
     """
 
     lexer.stripall = False
     lexer.stripnl = False
     lexer.ensurenl = False
 
     if isinstance(lexer, TextLexer):
         lexed = [(Token.Text, content)]
     else:
         lexed = lex(content, lexer)
 
     for token_type, token_text in lexed:
         yield pygment_token_class(token_type), token_text
 
 
 def split_token_stream(tokens):
     """
     Take a list of (TokenType, text) tuples and split them by a string
 
     split_token_stream([(TEXT, 'some\ntext'), (TEXT, 'more\n')])
     [(TEXT, 'some'), (TEXT, 'text'),
      (TEXT, 'more'), (TEXT, 'text')]
     """
 
     buffer = []
     for token_class, token_text in tokens:
         parts = token_text.split('\n')
         for part in parts[:-1]:
             buffer.append((token_class, part))
             yield buffer
             buffer = []
 
         buffer.append((token_class, parts[-1]))
 
     if buffer:
         yield buffer
 
 
 def filenode_as_annotated_lines_tokens(filenode):
     """
     Take a file node and return a list of annotations => lines, if no annotation
     is found, it will be None.
 
     eg:
 
     [
         (annotation1, [
             (1, line1_tokens_list),
             (2, line2_tokens_list),
         ]),
         (annotation2, [
             (3, line1_tokens_list),
         ]),
         (None, [
             (4, line1_tokens_list),
         ]),
         (annotation1, [
             (5, line1_tokens_list),
             (6, line2_tokens_list),
         ])
     ]
     """
 
     commit_cache = {}  # cache commit_getter lookups
 
     def _get_annotation(commit_id, commit_getter):
         if commit_id not in commit_cache:
             commit_cache[commit_id] = commit_getter()
         return commit_cache[commit_id]
 
     annotation_lookup = {
         line_no: _get_annotation(commit_id, commit_getter)
         for line_no, commit_id, commit_getter, line_content
         in filenode.annotate
     }
 
     annotations_lines = ((annotation_lookup.get(line_no), line_no, tokens)
                           for line_no, tokens
                           in enumerate(filenode_as_lines_tokens(filenode), 1))
 
     grouped_annotations_lines = groupby(annotations_lines, lambda x: x[0])
 
     for annotation, group in grouped_annotations_lines:
         yield (
             annotation, [(line_no, tokens)
                           for (_, line_no, tokens) in group]
         )
 
 
 def render_tokenstream(tokenstream):
     result = []
     for token_class, token_ops_texts in rollup_tokenstream(tokenstream):
 
         if token_class:
             result.append(u'<span class="%s">' % token_class)
         else:
             result.append(u'<span>')
 
         for op_tag, token_text in token_ops_texts:
 
             if op_tag:
                 result.append(u'<%s>' % op_tag)
 
             escaped_text = html_escape(token_text)
 
             # TODO: dan: investigate showing hidden characters like space/nl/tab
             # escaped_text = escaped_text.replace(' ', '<sp> </sp>')
             # escaped_text = escaped_text.replace('\n', '<nl>\n</nl>')
             # escaped_text = escaped_text.replace('\t', '<tab>\t</tab>')
 
             result.append(escaped_text)
 
             if op_tag:
                 result.append(u'</%s>' % op_tag)
 
         result.append(u'</span>')
 
     html = ''.join(result)
     return html
 
 
 def rollup_tokenstream(tokenstream):
     """
     Group a token stream of the format:
 
         ('class', 'op', 'text')
     or
         ('class', 'text')
 
     into
 
         [('class1',
             [('op1', 'text'),
              ('op2', 'text')]),
          ('class2',
             [('op3', 'text')])]
 
     This is used to get the minimal tags necessary when
     rendering to html eg for a token stream ie.
 
     <span class="A"><ins>he</ins>llo</span>
     vs
     <span class="A"><ins>he</ins></span><span class="A">llo</span>
 
     If a 2 tuple is passed in, the output op will be an empty string.
 
     eg:
 
     >>> rollup_tokenstream([('classA', '',      'h'),
                             ('classA', 'del',   'ell'),
                             ('classA', '',      'o'),
                             ('classB', '',      ' '),
                             ('classA', '',      'the'),
                             ('classA', '',      're'),
                             ])
 
     [('classA', [('', 'h'), ('del', 'ell'), ('', 'o')],
      ('classB', [('', ' ')],
      ('classA', [('', 'there')]]
 
     """
     if tokenstream and len(tokenstream[0]) == 2:
         tokenstream = ((t[0], '', t[1]) for t in tokenstream)
 
     result = []
     for token_class, op_list in groupby(tokenstream, lambda t: t[0]):
         ops = []
         for token_op, token_text_list in groupby(op_list, lambda o: o[1]):
             text_buffer = []
             for t_class, t_op, t_text in token_text_list:
                 text_buffer.append(t_text)
             ops.append((token_op, ''.join(text_buffer)))
         result.append((token_class, ops))
     return result
 
 
 def tokens_diff(old_tokens, new_tokens, use_diff_match_patch=True):
     """
     Converts a list of (token_class, token_text) tuples to a list of
     (token_class, token_op, token_text) tuples where token_op is one of
     ('ins', 'del', '')
 
     :param old_tokens: list of (token_class, token_text) tuples of old line
     :param new_tokens: list of (token_class, token_text) tuples of new line
     :param use_diff_match_patch: boolean, will use google's diff match patch
         library which has options to 'smooth' out the character by character
         differences making nicer ins/del blocks
     """
 
     old_tokens_result = []
     new_tokens_result = []
 
     similarity = difflib.SequenceMatcher(None,
         ''.join(token_text for token_class, token_text in old_tokens),
         ''.join(token_text for token_class, token_text in new_tokens)
     ).ratio()
 
     if similarity < 0.6: # return, the blocks are too different
         for token_class, token_text in old_tokens:
             old_tokens_result.append((token_class, '', token_text))
         for token_class, token_text in new_tokens:
             new_tokens_result.append((token_class, '', token_text))
         return old_tokens_result, new_tokens_result, similarity
 
     token_sequence_matcher = difflib.SequenceMatcher(None,
         [x[1] for x in old_tokens],
         [x[1] for x in new_tokens])
 
     for tag, o1, o2, n1, n2 in token_sequence_matcher.get_opcodes():
         # check the differences by token block types first to give a more
         # nicer "block" level replacement vs character diffs
 
         if tag == 'equal':
             for token_class, token_text in old_tokens[o1:o2]:
                 old_tokens_result.append((token_class, '', token_text))
             for token_class, token_text in new_tokens[n1:n2]:
                 new_tokens_result.append((token_class, '', token_text))
         elif tag == 'delete':
             for token_class, token_text in old_tokens[o1:o2]:
                 old_tokens_result.append((token_class, 'del', token_text))
         elif tag == 'insert':
             for token_class, token_text in new_tokens[n1:n2]:
                 new_tokens_result.append((token_class, 'ins', token_text))
         elif tag == 'replace':
             # if same type token blocks must be replaced, do a diff on the
             # characters in the token blocks to show individual changes
 
             old_char_tokens = []
             new_char_tokens = []
             for token_class, token_text in old_tokens[o1:o2]:
                 for char in token_text:
                     old_char_tokens.append((token_class, char))
 
             for token_class, token_text in new_tokens[n1:n2]:
                 for char in token_text:
                     new_char_tokens.append((token_class, char))
 
             old_string = ''.join([token_text for
                 token_class, token_text in old_char_tokens])
             new_string = ''.join([token_text for
                 token_class, token_text in new_char_tokens])
 
             char_sequence = difflib.SequenceMatcher(
                 None, old_string, new_string)
             copcodes = char_sequence.get_opcodes()
             obuffer, nbuffer = [], []
 
             if use_diff_match_patch:
                 dmp = diff_match_patch()
                 dmp.Diff_EditCost = 11  # TODO: dan: extract this to a setting
                 reps = dmp.diff_main(old_string, new_string)
                 dmp.diff_cleanupEfficiency(reps)
 
                 a, b = 0, 0
                 for op, rep in reps:
                     l = len(rep)
                     if op == 0:
                         for i, c in enumerate(rep):
                             obuffer.append((old_char_tokens[a+i][0], '', c))
                             nbuffer.append((new_char_tokens[b+i][0], '', c))
                         a += l
                         b += l
                     elif op == -1:
                         for i, c in enumerate(rep):
                             obuffer.append((old_char_tokens[a+i][0], 'del', c))
                         a += l
                     elif op == 1:
                         for i, c in enumerate(rep):
                             nbuffer.append((new_char_tokens[b+i][0], 'ins', c))
                         b += l
             else:
                 for ctag, co1, co2, cn1, cn2 in copcodes:
                     if ctag == 'equal':
                         for token_class, token_text in old_char_tokens[co1:co2]:
                             obuffer.append((token_class, '', token_text))
                         for token_class, token_text in new_char_tokens[cn1:cn2]:
                             nbuffer.append((token_class, '', token_text))
                     elif ctag == 'delete':
                         for token_class, token_text in old_char_tokens[co1:co2]:
                             obuffer.append((token_class, 'del', token_text))
                     elif ctag == 'insert':
                         for token_class, token_text in new_char_tokens[cn1:cn2]:
                             nbuffer.append((token_class, 'ins', token_text))
                     elif ctag == 'replace':
                         for token_class, token_text in old_char_tokens[co1:co2]:
                             obuffer.append((token_class, 'del', token_text))
                         for token_class, token_text in new_char_tokens[cn1:cn2]:
                             nbuffer.append((token_class, 'ins', token_text))
 
             old_tokens_result.extend(obuffer)
             new_tokens_result.extend(nbuffer)
 
     return old_tokens_result, new_tokens_result, similarity
 
 
 def diffset_node_getter(commit):
     def get_node(fname):
         try:
             return commit.get_node(fname)
         except NodeDoesNotExistError:
             return None
 
     return get_node
 
 
 class DiffSet(object):
     """
     An object for parsing the diff result from diffs.DiffProcessor and
     adding highlighting, side by side/unified renderings and line diffs
     """
 
     HL_REAL = 'REAL'  # highlights using original file, slow
     HL_FAST = 'FAST'  # highlights using just the line, fast but not correct
                       # in the case of multiline code
     HL_NONE = 'NONE'  # no highlighting, fastest
 
     def __init__(self, highlight_mode=HL_REAL, repo_name=None,
                  source_repo_name=None,
                  source_node_getter=lambda filename: None,
                  target_node_getter=lambda filename: None,
                  source_nodes=None, target_nodes=None,
                  # files over this size will use fast highlighting
                  max_file_size_limit=150 * 1024,
                  ):
 
         self.highlight_mode = highlight_mode
         self.highlighted_filenodes = {}
         self.source_node_getter = source_node_getter
         self.target_node_getter = target_node_getter
         self.source_nodes = source_nodes or {}
         self.target_nodes = target_nodes or {}
         self.repo_name = repo_name
         self.source_repo_name = source_repo_name or repo_name
         self.max_file_size_limit = max_file_size_limit
 
     def render_patchset(self, patchset, source_ref=None, target_ref=None):
         diffset = AttributeDict(dict(
             lines_added=0,
             lines_deleted=0,
             changed_files=0,
             files=[],
             file_stats={},
             limited_diff=isinstance(patchset, LimitedDiffContainer),
             repo_name=self.repo_name,
             source_repo_name=self.source_repo_name,
             source_ref=source_ref,
             target_ref=target_ref,
         ))
         for patch in patchset:
             diffset.file_stats[patch['filename']] = patch['stats']
             filediff = self.render_patch(patch)
             filediff.diffset = StrictAttributeDict(dict(
                 source_ref=diffset.source_ref,
                 target_ref=diffset.target_ref,
                 repo_name=diffset.repo_name,
                 source_repo_name=diffset.source_repo_name,
             ))
             diffset.files.append(filediff)
             diffset.changed_files += 1
             if not patch['stats']['binary']:
                 diffset.lines_added += patch['stats']['added']
                 diffset.lines_deleted += patch['stats']['deleted']
 
         return diffset
 
     _lexer_cache = {}
 
     def _get_lexer_for_filename(self, filename, filenode=None):
         # cached because we might need to call it twice for source/target
         if filename not in self._lexer_cache:
             if filenode:
                 lexer = filenode.lexer
                 extension = filenode.extension
             else:
                 lexer = FileNode.get_lexer(filename=filename)
                 extension = filename.split('.')[-1]
 
             lexer = get_custom_lexer(extension) or lexer
             self._lexer_cache[filename] = lexer
         return self._lexer_cache[filename]
 
     def render_patch(self, patch):
         log.debug('rendering diff for %r', patch['filename'])
 
         source_filename = patch['original_filename']
         target_filename = patch['filename']
 
         source_lexer = plain_text_lexer
         target_lexer = plain_text_lexer
 
         if not patch['stats']['binary']:
             node_hl_mode = self.HL_NONE if patch['chunks'] == [] else None
             hl_mode = node_hl_mode or self.highlight_mode
 
             if hl_mode == self.HL_REAL:
                 if (source_filename and patch['operation'] in ('D', 'M')
                     and source_filename not in self.source_nodes):
                         self.source_nodes[source_filename] = (
                             self.source_node_getter(source_filename))
 
                 if (target_filename and patch['operation'] in ('A', 'M')
                     and target_filename not in self.target_nodes):
                         self.target_nodes[target_filename] = (
                             self.target_node_getter(target_filename))
 
             elif hl_mode == self.HL_FAST:
                 source_lexer = self._get_lexer_for_filename(source_filename)
                 target_lexer = self._get_lexer_for_filename(target_filename)
 
         source_file = self.source_nodes.get(source_filename, source_filename)
         target_file = self.target_nodes.get(target_filename, target_filename)
+        raw_id_uid = ''
+        if self.source_nodes.get(source_filename):
+            raw_id_uid = self.source_nodes[source_filename].commit.raw_id
+
+        if not raw_id_uid and self.target_nodes.get(target_filename):
+            # in case this is a new file we only have it in target
+            raw_id_uid = self.target_nodes[target_filename].commit.raw_id
 
         source_filenode, target_filenode = None, None
 
         # TODO: dan: FileNode.lexer works on the content of the file - which
         # can be slow - issue #4289 explains a lexer clean up - which once
         # done can allow caching a lexer for a filenode to avoid the file lookup
         if isinstance(source_file, FileNode):
             source_filenode = source_file
             #source_lexer = source_file.lexer
             source_lexer = self._get_lexer_for_filename(source_filename)
             source_file.lexer = source_lexer
 
         if isinstance(target_file, FileNode):
             target_filenode = target_file
             #target_lexer = target_file.lexer
             target_lexer = self._get_lexer_for_filename(target_filename)
             target_file.lexer = target_lexer
 
         source_file_path, target_file_path = None, None
 
         if source_filename != '/dev/null':
             source_file_path = source_filename
         if target_filename != '/dev/null':
             target_file_path = target_filename
 
         source_file_type = source_lexer.name
         target_file_type = target_lexer.name
 
         filediff = AttributeDict({
             'source_file_path': source_file_path,
             'target_file_path': target_file_path,
             'source_filenode': source_filenode,
             'target_filenode': target_filenode,
             'source_file_type': target_file_type,
             'target_file_type': source_file_type,
             'patch': {'filename': patch['filename'], 'stats': patch['stats']},
             'operation': patch['operation'],
             'source_mode': patch['stats']['old_mode'],
             'target_mode': patch['stats']['new_mode'],
             'limited_diff': isinstance(patch, LimitedDiffContainer),
             'hunks': [],
             'hunk_ops': None,
             'diffset': self,
+            'raw_id': raw_id_uid,
         })
+
         file_chunks = patch['chunks'][1:]
         for hunk in file_chunks:
             hunkbit = self.parse_hunk(hunk, source_file, target_file)
             hunkbit.source_file_path = source_file_path
             hunkbit.target_file_path = target_file_path
             filediff.hunks.append(hunkbit)
 
         # Simulate hunk on OPS type line which doesn't really contain any diff
         # this allows commenting on those
         if not file_chunks:
             actions = []
             for op_id, op_text in filediff.patch['stats']['ops'].items():
                 if op_id == DEL_FILENODE:
                     actions.append(u'file was removed')
                 elif op_id == BIN_FILENODE:
                     actions.append(u'binary diff hidden')
                 else:
                     actions.append(safe_unicode(op_text))
             action_line = u'NO CONTENT: ' + \
                           u', '.join(actions) or u'UNDEFINED_ACTION'
 
             hunk_ops = {'source_length': 0, 'source_start': 0,
                         'lines': [
                             {'new_lineno': 0, 'old_lineno': 1,
                              'action': 'unmod-no-hl', 'line': action_line}
                         ],
                         'section_header': u'', 'target_start': 1, 'target_length': 1}
 
             hunkbit = self.parse_hunk(hunk_ops, source_file, target_file)
             hunkbit.source_file_path = source_file_path
             hunkbit.target_file_path = target_file_path
             filediff.hunk_ops = hunkbit
         return filediff
 
     def parse_hunk(self, hunk, source_file, target_file):
         result = AttributeDict(dict(
             source_start=hunk['source_start'],
             source_length=hunk['source_length'],
             target_start=hunk['target_start'],
             target_length=hunk['target_length'],
             section_header=hunk['section_header'],
             lines=[],
         ))
         before, after = [], []
 
         for line in hunk['lines']:
             if line['action'] in ['unmod', 'unmod-no-hl']:
                 no_hl = line['action'] == 'unmod-no-hl'
                 result.lines.extend(
                     self.parse_lines(before, after, source_file, target_file, no_hl=no_hl))
                 after.append(line)
                 before.append(line)
             elif line['action'] == 'add':
                 after.append(line)
             elif line['action'] == 'del':
                 before.append(line)
             elif line['action'] == 'old-no-nl':
                 before.append(line)
             elif line['action'] == 'new-no-nl':
                 after.append(line)
 
         all_actions = [x['action'] for x in after] + [x['action'] for x in before]
         no_hl = {x for x in all_actions} == {'unmod-no-hl'}
         result.lines.extend(
             self.parse_lines(before, after, source_file, target_file, no_hl=no_hl))
         # NOTE(marcink): we must keep list() call here so we can cache the result...
         result.unified = list(self.as_unified(result.lines))
         result.sideside = result.lines
 
         return result
 
     def parse_lines(self, before_lines, after_lines, source_file, target_file,
                     no_hl=False):
         # TODO: dan: investigate doing the diff comparison and fast highlighting
         # on the entire before and after buffered block lines rather than by
         # line, this means we can get better 'fast' highlighting if the context
         # allows it - eg.
         # line 4: """
         # line 5: this gets highlighted as a string
         # line 6: """
 
         lines = []
 
         before_newline = AttributeDict()
         after_newline = AttributeDict()
         if before_lines and before_lines[-1]['action'] == 'old-no-nl':
             before_newline_line = before_lines.pop(-1)
             before_newline.content = '\n {}'.format(
                 render_tokenstream(
                     [(x[0], '', x[1])
                      for x in [('nonl', before_newline_line['line'])]]))
 
         if after_lines and after_lines[-1]['action'] == 'new-no-nl':
             after_newline_line = after_lines.pop(-1)
             after_newline.content = '\n {}'.format(
                 render_tokenstream(
                     [(x[0], '', x[1])
                      for x in [('nonl', after_newline_line['line'])]]))
 
         while before_lines or after_lines:
             before, after = None, None
             before_tokens, after_tokens = None, None
 
             if before_lines:
                 before = before_lines.pop(0)
             if after_lines:
                 after = after_lines.pop(0)
 
             original = AttributeDict()
             modified = AttributeDict()
 
             if before:
                 if before['action'] == 'old-no-nl':
                     before_tokens = [('nonl', before['line'])]
                 else:
                     before_tokens = self.get_line_tokens(
                         line_text=before['line'], line_number=before['old_lineno'],
                         input_file=source_file, no_hl=no_hl)
                 original.lineno = before['old_lineno']
                 original.content = before['line']
                 original.action = self.action_to_op(before['action'])
 
                 original.get_comment_args = (
                     source_file, 'o', before['old_lineno'])
 
             if after:
                 if after['action'] == 'new-no-nl':
                     after_tokens = [('nonl', after['line'])]
                 else:
                     after_tokens = self.get_line_tokens(
                         line_text=after['line'], line_number=after['new_lineno'],
                         input_file=target_file, no_hl=no_hl)
                 modified.lineno = after['new_lineno']
                 modified.content = after['line']
                 modified.action = self.action_to_op(after['action'])
 
                 modified.get_comment_args = (target_file, 'n', after['new_lineno'])
 
             # diff the lines
             if before_tokens and after_tokens:
                 o_tokens, m_tokens, similarity = tokens_diff(
                     before_tokens, after_tokens)
                 original.content = render_tokenstream(o_tokens)
                 modified.content = render_tokenstream(m_tokens)
             elif before_tokens:
                 original.content = render_tokenstream(
                     [(x[0], '', x[1]) for x in before_tokens])
             elif after_tokens:
                 modified.content = render_tokenstream(
                     [(x[0], '', x[1]) for x in after_tokens])
 
             if not before_lines and before_newline:
                 original.content += before_newline.content
                 before_newline = None
             if not after_lines and after_newline:
                 modified.content += after_newline.content
                 after_newline = None
 
             lines.append(AttributeDict({
                 'original': original,
                 'modified': modified,
             }))
 
         return lines
 
     def get_line_tokens(self, line_text, line_number, input_file=None, no_hl=False):
         filenode = None
         filename = None
 
         if isinstance(input_file, basestring):
             filename = input_file
         elif isinstance(input_file, FileNode):
             filenode = input_file
             filename = input_file.unicode_path
 
         hl_mode = self.HL_NONE if no_hl else self.highlight_mode
         if hl_mode == self.HL_REAL and filenode:
             lexer = self._get_lexer_for_filename(filename)
             file_size_allowed = input_file.size < self.max_file_size_limit
             if line_number and file_size_allowed:
                 return self.get_tokenized_filenode_line(
                     input_file, line_number, lexer)
 
         if hl_mode in (self.HL_REAL, self.HL_FAST) and filename:
             lexer = self._get_lexer_for_filename(filename)
             return list(tokenize_string(line_text, lexer))
 
         return list(tokenize_string(line_text, plain_text_lexer))
 
     def get_tokenized_filenode_line(self, filenode, line_number, lexer=None):
 
         if filenode not in self.highlighted_filenodes:
             tokenized_lines = filenode_as_lines_tokens(filenode, lexer)
             self.highlighted_filenodes[filenode] = tokenized_lines
         return self.highlighted_filenodes[filenode][line_number - 1]
 
     def action_to_op(self, action):
         return {
             'add': '+',
             'del': '-',
             'unmod': ' ',
             'unmod-no-hl': ' ',
             'old-no-nl': ' ',
             'new-no-nl': ' ',
         }.get(action, action)
 
     def as_unified(self, lines):
         """
         Return a generator that yields the lines of a diff in unified order
         """
         def generator():
             buf = []
             for line in lines:
 
                 if buf and not line.original or line.original.action == ' ':
                     for b in buf:
                         yield b
                     buf = []
 
                 if line.original:
                     if line.original.action == ' ':
                         yield (line.original.lineno, line.modified.lineno,
                                line.original.action, line.original.content,
                                line.original.get_comment_args)
                         continue
 
                     if line.original.action == '-':
                         yield (line.original.lineno, None,
                                line.original.action, line.original.content,
                                line.original.get_comment_args)
 
                     if line.modified.action == '+':
                         buf.append((
                             None, line.modified.lineno,
                             line.modified.action, line.modified.content,
                             line.modified.get_comment_args))
                         continue
 
                 if line.modified:
                     yield (None, line.modified.lineno,
                            line.modified.action, line.modified.content,
                            line.modified.get_comment_args)
 
             for b in buf:
                 yield b
 
         return generator()

rhodecode/lib/vcs/backends/base.py

@@ -1,1749 +1,1755 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2014-2018 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 """
 Base module for all VCS systems
 """
 
 import collections
 import datetime
 import fnmatch
 import itertools
 import logging
 import os
 import re
 import time
 import warnings
 import shutil
 
 from zope.cachedescriptors.property import Lazy as LazyProperty
 
 from rhodecode.lib.utils2 import safe_str, safe_unicode
 from rhodecode.lib.vcs import connection
 from rhodecode.lib.vcs.utils import author_name, author_email
 from rhodecode.lib.vcs.conf import settings
 from rhodecode.lib.vcs.exceptions import (
     CommitError, EmptyRepositoryError, NodeAlreadyAddedError,
     NodeAlreadyChangedError, NodeAlreadyExistsError, NodeAlreadyRemovedError,
     NodeDoesNotExistError, NodeNotChangedError, VCSError,
     ImproperArchiveTypeError, BranchDoesNotExistError, CommitDoesNotExistError,
     RepositoryError)
 
 
 log = logging.getLogger(__name__)
 
 
 FILEMODE_DEFAULT = 0100644
 FILEMODE_EXECUTABLE = 0100755
 
 Reference = collections.namedtuple('Reference', ('type', 'name', 'commit_id'))
 MergeResponse = collections.namedtuple(
     'MergeResponse',
     ('possible', 'executed', 'merge_ref', 'failure_reason'))
 
 
 class MergeFailureReason(object):
     """
     Enumeration with all the reasons why the server side merge could fail.
 
     DO NOT change the number of the reasons, as they may be stored in the
     database.
 
     Changing the name of a reason is acceptable and encouraged to deprecate old
     reasons.
     """
 
     # Everything went well.
     NONE = 0
 
     # An unexpected exception was raised. Check the logs for more details.
     UNKNOWN = 1
 
     # The merge was not successful, there are conflicts.
     MERGE_FAILED = 2
 
     # The merge succeeded but we could not push it to the target repository.
     PUSH_FAILED = 3
 
     # The specified target is not a head in the target repository.
     TARGET_IS_NOT_HEAD = 4
 
     # The source repository contains more branches than the target. Pushing
     # the merge will create additional branches in the target.
     HG_SOURCE_HAS_MORE_BRANCHES = 5
 
     # The target reference has multiple heads. That does not allow to correctly
     # identify the target location. This could only happen for mercurial
     # branches.
     HG_TARGET_HAS_MULTIPLE_HEADS = 6
 
     # The target repository is locked
     TARGET_IS_LOCKED = 7
 
     # Deprecated, use MISSING_TARGET_REF or MISSING_SOURCE_REF instead.
     # A involved commit could not be found.
     _DEPRECATED_MISSING_COMMIT = 8
 
     # The target repo reference is missing.
     MISSING_TARGET_REF = 9
 
     # The source repo reference is missing.
     MISSING_SOURCE_REF = 10
 
     # The merge was not successful, there are conflicts related to sub
     # repositories.
     SUBREPO_MERGE_FAILED = 11
 
 
 class UpdateFailureReason(object):
     """
     Enumeration with all the reasons why the pull request update could fail.
 
     DO NOT change the number of the reasons, as they may be stored in the
     database.
 
     Changing the name of a reason is acceptable and encouraged to deprecate old
     reasons.
     """
 
     # Everything went well.
     NONE = 0
 
     # An unexpected exception was raised. Check the logs for more details.
     UNKNOWN = 1
 
     # The pull request is up to date.
     NO_CHANGE = 2
 
     # The pull request has a reference type that is not supported for update.
     WRONG_REF_TYPE = 3
 
     # Update failed because the target reference is missing.
     MISSING_TARGET_REF = 4
 
     # Update failed because the source reference is missing.
     MISSING_SOURCE_REF = 5
 
 
 class BaseRepository(object):
     """
     Base Repository for final backends
 
     .. attribute:: DEFAULT_BRANCH_NAME
 
        name of default branch (i.e. "trunk" for svn, "master" for git etc.
 
     .. attribute:: commit_ids
 
        list of all available commit ids, in ascending order
 
     .. attribute:: path
 
        absolute path to the repository
 
     .. attribute:: bookmarks
 
        Mapping from name to :term:`Commit ID` of the bookmark. Empty in case
        there are no bookmarks or the backend implementation does not support
        bookmarks.
 
     .. attribute:: tags
 
        Mapping from name to :term:`Commit ID` of the tag.
 
     """
 
     DEFAULT_BRANCH_NAME = None
     DEFAULT_CONTACT = u"Unknown"
     DEFAULT_DESCRIPTION = u"unknown"
     EMPTY_COMMIT_ID = '0' * 40
 
     path = None
 
     def __init__(self, repo_path, config=None, create=False, **kwargs):
         """
         Initializes repository. Raises RepositoryError if repository could
         not be find at the given ``repo_path`` or directory at ``repo_path``
         exists and ``create`` is set to True.
 
         :param repo_path: local path of the repository
         :param config: repository configuration
         :param create=False: if set to True, would try to create repository.
         :param src_url=None: if set, should be proper url from which repository
           would be cloned; requires ``create`` parameter to be set to True -
           raises RepositoryError if src_url is set and create evaluates to
           False
         """
         raise NotImplementedError
 
     def __repr__(self):
         return '<%s at %s>' % (self.__class__.__name__, self.path)
 
     def __len__(self):
         return self.count()
 
     def __eq__(self, other):
         same_instance = isinstance(other, self.__class__)
         return same_instance and other.path == self.path
 
     def __ne__(self, other):
         return not self.__eq__(other)
 
     def get_create_shadow_cache_pr_path(self, db_repo):
         path = db_repo.cached_diffs_dir
         if not os.path.exists(path):
             os.makedirs(path, 0755)
         return path
 
     @classmethod
     def get_default_config(cls, default=None):
         config = Config()
         if default and isinstance(default, list):
             for section, key, val in default:
                 config.set(section, key, val)
         return config
 
     @LazyProperty
     def _remote(self):
         raise NotImplementedError
 
     @LazyProperty
     def EMPTY_COMMIT(self):
         return EmptyCommit(self.EMPTY_COMMIT_ID)
 
     @LazyProperty
     def alias(self):
         for k, v in settings.BACKENDS.items():
             if v.split('.')[-1] == str(self.__class__.__name__):
                 return k
 
     @LazyProperty
     def name(self):
         return safe_unicode(os.path.basename(self.path))
 
     @LazyProperty
     def description(self):
         raise NotImplementedError
 
     def refs(self):
         """
         returns a `dict` with branches, bookmarks, tags, and closed_branches
         for this repository
         """
         return dict(
             branches=self.branches,
             branches_closed=self.branches_closed,
             tags=self.tags,
             bookmarks=self.bookmarks
         )
 
     @LazyProperty
     def branches(self):
         """
         A `dict` which maps branch names to commit ids.
         """
         raise NotImplementedError
 
     @LazyProperty
     def branches_closed(self):
         """
         A `dict` which maps tags names to commit ids.
         """
         raise NotImplementedError
 
     @LazyProperty
     def bookmarks(self):
         """
         A `dict` which maps tags names to commit ids.
         """
         raise NotImplementedError
 
     @LazyProperty
     def tags(self):
         """
         A `dict` which maps tags names to commit ids.
         """
         raise NotImplementedError
 
     @LazyProperty
     def size(self):
         """
         Returns combined size in bytes for all repository files
         """
         tip = self.get_commit()
         return tip.size
 
     def size_at_commit(self, commit_id):
         commit = self.get_commit(commit_id)
         return commit.size
 
     def is_empty(self):
         return not bool(self.commit_ids)
 
     @staticmethod
     def check_url(url, config):
         """
         Function will check given url and try to verify if it's a valid
         link.
         """
         raise NotImplementedError
 
     @staticmethod
     def is_valid_repository(path):
         """
         Check if given `path` contains a valid repository of this backend
         """
         raise NotImplementedError
 
     # ==========================================================================
     # COMMITS
     # ==========================================================================
 
     def get_commit(self, commit_id=None, commit_idx=None, pre_load=None):
         """
         Returns instance of `BaseCommit` class. If `commit_id` and `commit_idx`
         are both None, most recent commit is returned.
 
         :param pre_load: Optional. List of commit attributes to load.
 
         :raises ``EmptyRepositoryError``: if there are no commits
         """
         raise NotImplementedError
 
     def __iter__(self):
         for commit_id in self.commit_ids:
             yield self.get_commit(commit_id=commit_id)
 
     def get_commits(
             self, start_id=None, end_id=None, start_date=None, end_date=None,
             branch_name=None, show_hidden=False, pre_load=None):
         """
         Returns iterator of `BaseCommit` objects from start to end
         not inclusive. This should behave just like a list, ie. end is not
         inclusive.
 
         :param start_id: None or str, must be a valid commit id
         :param end_id: None or str, must be a valid commit id
         :param start_date:
         :param end_date:
         :param branch_name:
         :param show_hidden:
         :param pre_load:
         """
         raise NotImplementedError
 
     def __getitem__(self, key):
         """
         Allows index based access to the commit objects of this repository.
         """
         pre_load = ["author", "branch", "date", "message", "parents"]
         if isinstance(key, slice):
             return self._get_range(key, pre_load)
         return self.get_commit(commit_idx=key, pre_load=pre_load)
 
     def _get_range(self, slice_obj, pre_load):
         for commit_id in self.commit_ids.__getitem__(slice_obj):
             yield self.get_commit(commit_id=commit_id, pre_load=pre_load)
 
     def count(self):
         return len(self.commit_ids)
 
     def tag(self, name, user, commit_id=None, message=None, date=None, **opts):
         """
         Creates and returns a tag for the given ``commit_id``.
 
         :param name: name for new tag
         :param user: full username, i.e.: "Joe Doe <[e-mail]>"
         :param commit_id: commit id for which new tag would be created
         :param message: message of the tag's commit
         :param date: date of tag's commit
 
         :raises TagAlreadyExistError: if tag with same name already exists
         """
         raise NotImplementedError
 
     def remove_tag(self, name, user, message=None, date=None):
         """
         Removes tag with the given ``name``.
 
         :param name: name of the tag to be removed
         :param user: full username, i.e.: "Joe Doe <[e-mail]>"
         :param message: message of the tag's removal commit
         :param date: date of tag's removal commit
 
         :raises TagDoesNotExistError: if tag with given name does not exists
         """
         raise NotImplementedError
 
     def get_diff(
             self, commit1, commit2, path=None, ignore_whitespace=False,
             context=3, path1=None):
         """
         Returns (git like) *diff*, as plain text. Shows changes introduced by
         `commit2` since `commit1`.
 
         :param commit1: Entry point from which diff is shown. Can be
           ``self.EMPTY_COMMIT`` - in this case, patch showing all
           the changes since empty state of the repository until `commit2`
         :param commit2: Until which commit changes should be shown.
         :param path: Can be set to a path of a file to create a diff of that
           file. If `path1` is also set, this value is only associated to
           `commit2`.
         :param ignore_whitespace: If set to ``True``, would not show whitespace
           changes. Defaults to ``False``.
         :param context: How many lines before/after changed lines should be
           shown. Defaults to ``3``.
         :param path1: Can be set to a path to associate with `commit1`. This
           parameter works only for backends which support diff generation for
           different paths. Other backends will raise a `ValueError` if `path1`
           is set and has a different value than `path`.
         :param file_path: filter this diff by given path pattern
         """
         raise NotImplementedError
 
     def strip(self, commit_id, branch=None):
         """
         Strip given commit_id from the repository
         """
         raise NotImplementedError
 
     def get_common_ancestor(self, commit_id1, commit_id2, repo2):
         """
         Return a latest common ancestor commit if one exists for this repo
         `commit_id1` vs `commit_id2` from `repo2`.
 
         :param commit_id1: Commit it from this repository to use as a
            target for the comparison.
         :param commit_id2: Source commit id to use for comparison.
         :param repo2: Source repository to use for comparison.
         """
         raise NotImplementedError
 
     def compare(self, commit_id1, commit_id2, repo2, merge, pre_load=None):
         """
         Compare this repository's revision `commit_id1` with `commit_id2`.
 
         Returns a tuple(commits, ancestor) that would be merged from
         `commit_id2`. Doing a normal compare (``merge=False``), ``None``
         will be returned as ancestor.
 
         :param commit_id1: Commit it from this repository to use as a
            target for the comparison.
         :param commit_id2: Source commit id to use for comparison.
         :param repo2: Source repository to use for comparison.
         :param merge: If set to ``True`` will do a merge compare which also
            returns the common ancestor.
         :param pre_load: Optional. List of commit attributes to load.
         """
         raise NotImplementedError
 
     def merge(self, repo_id, workspace_id, target_ref, source_repo, source_ref,
               user_name='', user_email='', message='', dry_run=False,
               use_rebase=False, close_branch=False):
         """
         Merge the revisions specified in `source_ref` from `source_repo`
         onto the `target_ref` of this repository.
 
         `source_ref` and `target_ref` are named tupls with the following
         fields `type`, `name` and `commit_id`.
 
         Returns a MergeResponse named tuple with the following fields
         'possible', 'executed', 'source_commit', 'target_commit',
         'merge_commit'.
 
         :param repo_id: `repo_id` target repo id.
         :param workspace_id: `workspace_id` unique identifier.
         :param target_ref: `target_ref` points to the commit on top of which
             the `source_ref` should be merged.
         :param source_repo: The repository that contains the commits to be
             merged.
         :param source_ref: `source_ref` points to the topmost commit from
             the `source_repo` which should be merged.
         :param user_name: Merge commit `user_name`.
         :param user_email: Merge commit `user_email`.
         :param message: Merge commit `message`.
         :param dry_run: If `True` the merge will not take place.
         :param use_rebase: If `True` commits from the source will be rebased
             on top of the target instead of being merged.
         :param close_branch: If `True` branch will be close before merging it
         """
         if dry_run:
             message = message or settings.MERGE_DRY_RUN_MESSAGE
             user_email = user_email or settings.MERGE_DRY_RUN_EMAIL
             user_name = user_name or settings.MERGE_DRY_RUN_USER
         else:
             if not user_name:
                 raise ValueError('user_name cannot be empty')
             if not user_email:
                 raise ValueError('user_email cannot be empty')
             if not message:
                 raise ValueError('message cannot be empty')
 
         try:
             return self._merge_repo(
                 repo_id, workspace_id, target_ref, source_repo,
                 source_ref, message, user_name, user_email, dry_run=dry_run,
                 use_rebase=use_rebase, close_branch=close_branch)
         except RepositoryError:
             log.exception(
                 'Unexpected failure when running merge, dry-run=%s',
                 dry_run)
             return MergeResponse(
                 False, False, None, MergeFailureReason.UNKNOWN)
 
     def _merge_repo(self, repo_id, workspace_id, target_ref,
                     source_repo, source_ref, merge_message,
                     merger_name, merger_email, dry_run=False,
                     use_rebase=False, close_branch=False):
         """Internal implementation of merge."""
         raise NotImplementedError
 
     def _maybe_prepare_merge_workspace(
             self, repo_id, workspace_id, target_ref, source_ref):
         """
         Create the merge workspace.
 
         :param workspace_id: `workspace_id` unique identifier.
         """
         raise NotImplementedError
 
     def _get_legacy_shadow_repository_path(self, workspace_id):
         """
         Legacy version that was used before. We still need it for
         backward compat
         """
         return os.path.join(
             os.path.dirname(self.path),
             '.__shadow_%s_%s' % (os.path.basename(self.path), workspace_id))
 
     def _get_shadow_repository_path(self, repo_id, workspace_id):
         # The name of the shadow repository must start with '.', so it is
         # skipped by 'rhodecode.lib.utils.get_filesystem_repos'.
         legacy_repository_path = self._get_legacy_shadow_repository_path(workspace_id)
         if os.path.exists(legacy_repository_path):
             return legacy_repository_path
         else:
             return os.path.join(
                 os.path.dirname(self.path),
                 '.__shadow_repo_%s_%s' % (repo_id, workspace_id))
 
     def cleanup_merge_workspace(self, repo_id, workspace_id):
         """
         Remove merge workspace.
 
         This function MUST not fail in case there is no workspace associated to
         the given `workspace_id`.
 
         :param workspace_id: `workspace_id` unique identifier.
         """
         shadow_repository_path = self._get_shadow_repository_path(repo_id, workspace_id)
         shadow_repository_path_del = '{}.{}.delete'.format(
             shadow_repository_path, time.time())
 
         # move the shadow repo, so it never conflicts with the one used.
         # we use this method because shutil.rmtree had some edge case problems
         # removing symlinked repositories
         if not os.path.isdir(shadow_repository_path):
             return
 
         shutil.move(shadow_repository_path, shadow_repository_path_del)
         try:
             shutil.rmtree(shadow_repository_path_del, ignore_errors=False)
         except Exception:
             log.exception('Failed to gracefully remove shadow repo under %s',
                           shadow_repository_path_del)
             shutil.rmtree(shadow_repository_path_del, ignore_errors=True)
 
     # ========== #
     # COMMIT API #
     # ========== #
 
     @LazyProperty
     def in_memory_commit(self):
         """
         Returns :class:`InMemoryCommit` object for this repository.
         """
         raise NotImplementedError
 
     # ======================== #
     # UTILITIES FOR SUBCLASSES #
     # ======================== #
 
     def _validate_diff_commits(self, commit1, commit2):
         """
         Validates that the given commits are related to this repository.
 
         Intended as a utility for sub classes to have a consistent validation
         of input parameters in methods like :meth:`get_diff`.
         """
         self._validate_commit(commit1)
         self._validate_commit(commit2)
         if (isinstance(commit1, EmptyCommit) and
                 isinstance(commit2, EmptyCommit)):
             raise ValueError("Cannot compare two empty commits")
 
     def _validate_commit(self, commit):
         if not isinstance(commit, BaseCommit):
             raise TypeError(
                 "%s is not of type BaseCommit" % repr(commit))
         if commit.repository != self and not isinstance(commit, EmptyCommit):
             raise ValueError(
                 "Commit %s must be a valid commit from this repository %s, "
                 "related to this repository instead %s." %
                 (commit, self, commit.repository))
 
     def _validate_commit_id(self, commit_id):
         if not isinstance(commit_id, basestring):
             raise TypeError("commit_id must be a string value")
 
     def _validate_commit_idx(self, commit_idx):
         if not isinstance(commit_idx, (int, long)):
             raise TypeError("commit_idx must be a numeric value")
 
     def _validate_branch_name(self, branch_name):
         if branch_name and branch_name not in self.branches_all:
             msg = ("Branch %s not found in %s" % (branch_name, self))
             raise BranchDoesNotExistError(msg)
 
     #
     # Supporting deprecated API parts
     # TODO: johbo: consider to move this into a mixin
     #
 
     @property
     def EMPTY_CHANGESET(self):
         warnings.warn(
             "Use EMPTY_COMMIT or EMPTY_COMMIT_ID instead", DeprecationWarning)
         return self.EMPTY_COMMIT_ID
 
     @property
     def revisions(self):
         warnings.warn("Use commits attribute instead", DeprecationWarning)
         return self.commit_ids
 
     @revisions.setter
     def revisions(self, value):
         warnings.warn("Use commits attribute instead", DeprecationWarning)
         self.commit_ids = value
 
     def get_changeset(self, revision=None, pre_load=None):
         warnings.warn("Use get_commit instead", DeprecationWarning)
         commit_id = None
         commit_idx = None
         if isinstance(revision, basestring):
             commit_id = revision
         else:
             commit_idx = revision
         return self.get_commit(
             commit_id=commit_id, commit_idx=commit_idx, pre_load=pre_load)
 
     def get_changesets(
             self, start=None, end=None, start_date=None, end_date=None,
             branch_name=None, pre_load=None):
         warnings.warn("Use get_commits instead", DeprecationWarning)
         start_id = self._revision_to_commit(start)
         end_id = self._revision_to_commit(end)
         return self.get_commits(
             start_id=start_id, end_id=end_id, start_date=start_date,
             end_date=end_date, branch_name=branch_name, pre_load=pre_load)
 
     def _revision_to_commit(self, revision):
         """
         Translates a revision to a commit_id
 
         Helps to support the old changeset based API which allows to use
         commit ids and commit indices interchangeable.
         """
         if revision is None:
             return revision
 
         if isinstance(revision, basestring):
             commit_id = revision
         else:
             commit_id = self.commit_ids[revision]
         return commit_id
 
     @property
     def in_memory_changeset(self):
         warnings.warn("Use in_memory_commit instead", DeprecationWarning)
         return self.in_memory_commit
 
     def get_path_permissions(self, username):
         """
         Returns a path permission checker or None if not supported
 
         :param username: session user name
         :return: an instance of BasePathPermissionChecker or None
         """
         return None
 
     def install_hooks(self, force=False):
         return self._remote.install_hooks(force)
 
 
 class BaseCommit(object):
     """
     Each backend should implement it's commit representation.
 
     **Attributes**
 
         ``repository``
             repository object within which commit exists
 
         ``id``
             The commit id, may be ``raw_id`` or i.e. for mercurial's tip
             just ``tip``.
 
         ``raw_id``
             raw commit representation (i.e. full 40 length sha for git
             backend)
 
         ``short_id``
             shortened (if apply) version of ``raw_id``; it would be simple
             shortcut for ``raw_id[:12]`` for git/mercurial backends or same
             as ``raw_id`` for subversion
 
         ``idx``
             commit index
 
         ``files``
             list of ``FileNode`` (``Node`` with NodeKind.FILE) objects
 
         ``dirs``
             list of ``DirNode`` (``Node`` with NodeKind.DIR) objects
 
         ``nodes``
             combined list of ``Node`` objects
 
         ``author``
             author of the commit, as unicode
 
         ``message``
             message of the commit, as unicode
 
         ``parents``
             list of parent commits
 
     """
 
     branch = None
     """
     Depending on the backend this should be set to the branch name of the
     commit. Backends not supporting branches on commits should leave this
     value as ``None``.
     """
 
     _ARCHIVE_PREFIX_TEMPLATE = b'{repo_name}-{short_id}'
     """
     This template is used to generate a default prefix for repository archives
     if no prefix has been specified.
     """
 
     def __str__(self):
         return '<%s at %s:%s>' % (
             self.__class__.__name__, self.idx, self.short_id)
 
     def __repr__(self):
         return self.__str__()
 
     def __unicode__(self):
         return u'%s:%s' % (self.idx, self.short_id)
 
     def __eq__(self, other):
         same_instance = isinstance(other, self.__class__)
         return same_instance and self.raw_id == other.raw_id
 
     def __json__(self):
         parents = []
         try:
             for parent in self.parents:
                 parents.append({'raw_id': parent.raw_id})
         except NotImplementedError:
             # empty commit doesn't have parents implemented
             pass
 
         return {
             'short_id': self.short_id,
             'raw_id': self.raw_id,
             'revision': self.idx,
             'message': self.message,
             'date': self.date,
             'author': self.author,
             'parents': parents,
             'branch': self.branch
         }
 
     def __getstate__(self):
         d = self.__dict__.copy()
         d.pop('_remote', None)
         d.pop('repository', None)
         return d
 
     def _get_refs(self):
         return {
             'branches': [self.branch] if self.branch else [],
             'bookmarks': getattr(self, 'bookmarks', []),
             'tags': self.tags
         }
 
     @LazyProperty
     def last(self):
         """
         ``True`` if this is last commit in repository, ``False``
         otherwise; trying to access this attribute while there is no
         commits would raise `EmptyRepositoryError`
         """
         if self.repository is None:
             raise CommitError("Cannot check if it's most recent commit")
         return self.raw_id == self.repository.commit_ids[-1]
 
     @LazyProperty
     def parents(self):
         """
         Returns list of parent commits.
         """
         raise NotImplementedError
 
+    @LazyProperty
+    def first_parent(self):
+        """
+        Returns list of parent commits.
+        """
+        return self.parents[0] if self.parents else EmptyCommit()
+
     @property
     def merge(self):
         """
         Returns boolean if commit is a merge.
         """
         return len(self.parents) > 1
 
     @LazyProperty
     def children(self):
         """
         Returns list of child commits.
         """
         raise NotImplementedError
 
     @LazyProperty
     def id(self):
         """
         Returns string identifying this commit.
         """
         raise NotImplementedError
 
     @LazyProperty
     def raw_id(self):
         """
         Returns raw string identifying this commit.
         """
         raise NotImplementedError
 
     @LazyProperty
     def short_id(self):
         """
         Returns shortened version of ``raw_id`` attribute, as string,
         identifying this commit, useful for presentation to users.
         """
         raise NotImplementedError
 
     @LazyProperty
     def idx(self):
         """
         Returns integer identifying this commit.
         """
         raise NotImplementedError
 
     @LazyProperty
     def committer(self):
         """
         Returns committer for this commit
         """
         raise NotImplementedError
 
     @LazyProperty
     def committer_name(self):
         """
         Returns committer name for this commit
         """
 
         return author_name(self.committer)
 
     @LazyProperty
     def committer_email(self):
         """
         Returns committer email address for this commit
         """
 
         return author_email(self.committer)
 
     @LazyProperty
     def author(self):
         """
         Returns author for this commit
         """
 
         raise NotImplementedError
 
     @LazyProperty
     def author_name(self):
         """
         Returns author name for this commit
         """
 
         return author_name(self.author)
 
     @LazyProperty
     def author_email(self):
         """
         Returns author email address for this commit
         """
 
         return author_email(self.author)
 
     def get_file_mode(self, path):
         """
         Returns stat mode of the file at `path`.
         """
         raise NotImplementedError
 
     def is_link(self, path):
         """
         Returns ``True`` if given `path` is a symlink
         """
         raise NotImplementedError
 
     def get_file_content(self, path):
         """
         Returns content of the file at the given `path`.
         """
         raise NotImplementedError
 
     def get_file_size(self, path):
         """
         Returns size of the file at the given `path`.
         """
         raise NotImplementedError
 
     def get_file_commit(self, path, pre_load=None):
         """
         Returns last commit of the file at the given `path`.
 
         :param pre_load: Optional. List of commit attributes to load.
         """
         commits = self.get_file_history(path, limit=1, pre_load=pre_load)
         if not commits:
             raise RepositoryError(
                 'Failed to fetch history for path {}. '
                 'Please check if such path exists in your repository'.format(
                     path))
         return commits[0]
 
     def get_file_history(self, path, limit=None, pre_load=None):
         """
         Returns history of file as reversed list of :class:`BaseCommit`
         objects for which file at given `path` has been modified.
 
         :param limit: Optional. Allows to limit the size of the returned
            history. This is intended as a hint to the underlying backend, so
            that it can apply optimizations depending on the limit.
         :param pre_load: Optional. List of commit attributes to load.
         """
         raise NotImplementedError
 
     def get_file_annotate(self, path, pre_load=None):
         """
         Returns a generator of four element tuples with
         lineno, sha, commit lazy loader and line
 
         :param pre_load: Optional. List of commit attributes to load.
         """
         raise NotImplementedError
 
     def get_nodes(self, path):
         """
         Returns combined ``DirNode`` and ``FileNode`` objects list representing
         state of commit at the given ``path``.
 
         :raises ``CommitError``: if node at the given ``path`` is not
           instance of ``DirNode``
         """
         raise NotImplementedError
 
     def get_node(self, path):
         """
         Returns ``Node`` object from the given ``path``.
 
         :raises ``NodeDoesNotExistError``: if there is no node at the given
           ``path``
         """
         raise NotImplementedError
 
     def get_largefile_node(self, path):
         """
         Returns the path to largefile from Mercurial/Git-lfs storage.
         or None if it's not a largefile node
         """
         return None
 
     def archive_repo(self, file_path, kind='tgz', subrepos=None,
                      prefix=None, write_metadata=False, mtime=None):
         """
         Creates an archive containing the contents of the repository.
 
         :param file_path: path to the file which to create the archive.
         :param kind: one of following: ``"tbz2"``, ``"tgz"``, ``"zip"``.
         :param prefix: name of root directory in archive.
             Default is repository name and commit's short_id joined with dash:
             ``"{repo_name}-{short_id}"``.
         :param write_metadata: write a metadata file into archive.
         :param mtime: custom modification time for archive creation, defaults
             to time.time() if not given.
 
         :raise VCSError: If prefix has a problem.
         """
         allowed_kinds = settings.ARCHIVE_SPECS.keys()
         if kind not in allowed_kinds:
             raise ImproperArchiveTypeError(
                 'Archive kind (%s) not supported use one of %s' %
                 (kind, allowed_kinds))
 
         prefix = self._validate_archive_prefix(prefix)
 
         mtime = mtime or time.mktime(self.date.timetuple())
 
         file_info = []
         cur_rev = self.repository.get_commit(commit_id=self.raw_id)
         for _r, _d, files in cur_rev.walk('/'):
             for f in files:
                 f_path = os.path.join(prefix, f.path)
                 file_info.append(
                     (f_path, f.mode, f.is_link(), f.raw_bytes))
 
         if write_metadata:
             metadata = [
                 ('repo_name', self.repository.name),
                 ('rev', self.raw_id),
                 ('create_time', mtime),
                 ('branch', self.branch),
                 ('tags', ','.join(self.tags)),
             ]
             meta = ["%s:%s" % (f_name, value) for f_name, value in metadata]
             file_info.append(('.archival.txt', 0644, False, '\n'.join(meta)))
 
         connection.Hg.archive_repo(file_path, mtime, file_info, kind)
 
     def _validate_archive_prefix(self, prefix):
         if prefix is None:
             prefix = self._ARCHIVE_PREFIX_TEMPLATE.format(
                 repo_name=safe_str(self.repository.name),
                 short_id=self.short_id)
         elif not isinstance(prefix, str):
             raise ValueError("prefix not a bytes object: %s" % repr(prefix))
         elif prefix.startswith('/'):
             raise VCSError("Prefix cannot start with leading slash")
         elif prefix.strip() == '':
             raise VCSError("Prefix cannot be empty")
         return prefix
 
     @LazyProperty
     def root(self):
         """
         Returns ``RootNode`` object for this commit.
         """
         return self.get_node('')
 
     def next(self, branch=None):
         """
         Returns next commit from current, if branch is gives it will return
         next commit belonging to this branch
 
         :param branch: show commits within the given named branch
         """
         indexes = xrange(self.idx + 1, self.repository.count())
         return self._find_next(indexes, branch)
 
     def prev(self, branch=None):
         """
         Returns previous commit from current, if branch is gives it will
         return previous commit belonging to this branch
 
         :param branch: show commit within the given named branch
         """
         indexes = xrange(self.idx - 1, -1, -1)
         return self._find_next(indexes, branch)
 
     def _find_next(self, indexes, branch=None):
         if branch and self.branch != branch:
             raise VCSError('Branch option used on commit not belonging '
                            'to that branch')
 
         for next_idx in indexes:
             commit = self.repository.get_commit(commit_idx=next_idx)
             if branch and branch != commit.branch:
                 continue
             return commit
         raise CommitDoesNotExistError
 
     def diff(self, ignore_whitespace=True, context=3):
         """
         Returns a `Diff` object representing the change made by this commit.
         """
-        parent = (
-            self.parents[0] if self.parents else self.repository.EMPTY_COMMIT)
+        parent = self.first_parent
         diff = self.repository.get_diff(
             parent, self,
             ignore_whitespace=ignore_whitespace,
             context=context)
         return diff
 
     @LazyProperty
     def added(self):
         """
         Returns list of added ``FileNode`` objects.
         """
         raise NotImplementedError
 
     @LazyProperty
     def changed(self):
         """
         Returns list of modified ``FileNode`` objects.
         """
         raise NotImplementedError
 
     @LazyProperty
     def removed(self):
         """
         Returns list of removed ``FileNode`` objects.
         """
         raise NotImplementedError
 
     @LazyProperty
     def size(self):
         """
         Returns total number of bytes from contents of all filenodes.
         """
         return sum((node.size for node in self.get_filenodes_generator()))
 
     def walk(self, topurl=''):
         """
         Similar to os.walk method. Insted of filesystem it walks through
         commit starting at given ``topurl``.  Returns generator of tuples
         (topnode, dirnodes, filenodes).
         """
         topnode = self.get_node(topurl)
         if not topnode.is_dir():
             return
         yield (topnode, topnode.dirs, topnode.files)
         for dirnode in topnode.dirs:
             for tup in self.walk(dirnode.path):
                 yield tup
 
     def get_filenodes_generator(self):
         """
         Returns generator that yields *all* file nodes.
         """
         for topnode, dirs, files in self.walk():
             for node in files:
                 yield node
 
     #
     # Utilities for sub classes to support consistent behavior
     #
 
     def no_node_at_path(self, path):
         return NodeDoesNotExistError(
             u"There is no file nor directory at the given path: "
             u"`%s` at commit %s" % (safe_unicode(path), self.short_id))
 
     def _fix_path(self, path):
         """
         Paths are stored without trailing slash so we need to get rid off it if
         needed.
         """
         return path.rstrip('/')
 
     #
     # Deprecated API based on changesets
     #
 
     @property
     def revision(self):
         warnings.warn("Use idx instead", DeprecationWarning)
         return self.idx
 
     @revision.setter
     def revision(self, value):
         warnings.warn("Use idx instead", DeprecationWarning)
         self.idx = value
 
     def get_file_changeset(self, path):
         warnings.warn("Use get_file_commit instead", DeprecationWarning)
         return self.get_file_commit(path)
 
 
 class BaseChangesetClass(type):
 
     def __instancecheck__(self, instance):
         return isinstance(instance, BaseCommit)
 
 
 class BaseChangeset(BaseCommit):
 
     __metaclass__ = BaseChangesetClass
 
     def __new__(cls, *args, **kwargs):
         warnings.warn(
             "Use BaseCommit instead of BaseChangeset", DeprecationWarning)
         return super(BaseChangeset, cls).__new__(cls, *args, **kwargs)
 
 
 class BaseInMemoryCommit(object):
     """
     Represents differences between repository's state (most recent head) and
     changes made *in place*.
 
     **Attributes**
 
         ``repository``
             repository object for this in-memory-commit
 
         ``added``
             list of ``FileNode`` objects marked as *added*
 
         ``changed``
             list of ``FileNode`` objects marked as *changed*
 
         ``removed``
             list of ``FileNode`` or ``RemovedFileNode`` objects marked to be
             *removed*
 
         ``parents``
             list of :class:`BaseCommit` instances representing parents of
             in-memory commit. Should always be 2-element sequence.
 
     """
 
     def __init__(self, repository):
         self.repository = repository
         self.added = []
         self.changed = []
         self.removed = []
         self.parents = []
 
     def add(self, *filenodes):
         """
         Marks given ``FileNode`` objects as *to be committed*.
 
         :raises ``NodeAlreadyExistsError``: if node with same path exists at
            latest commit
         :raises ``NodeAlreadyAddedError``: if node with same path is already
            marked as *added*
         """
         # Check if not already marked as *added* first
         for node in filenodes:
             if node.path in (n.path for n in self.added):
                 raise NodeAlreadyAddedError(
                     "Such FileNode %s is already marked for addition"
                     % node.path)
         for node in filenodes:
             self.added.append(node)
 
     def change(self, *filenodes):
         """
         Marks given ``FileNode`` objects to be *changed* in next commit.
 
         :raises ``EmptyRepositoryError``: if there are no commits yet
         :raises ``NodeAlreadyExistsError``: if node with same path is already
            marked to be *changed*
         :raises ``NodeAlreadyRemovedError``: if node with same path is already
            marked to be *removed*
         :raises ``NodeDoesNotExistError``: if node doesn't exist in latest
            commit
         :raises ``NodeNotChangedError``: if node hasn't really be changed
         """
         for node in filenodes:
             if node.path in (n.path for n in self.removed):
                 raise NodeAlreadyRemovedError(
                     "Node at %s is already marked as removed" % node.path)
         try:
             self.repository.get_commit()
         except EmptyRepositoryError:
             raise EmptyRepositoryError(
                 "Nothing to change - try to *add* new nodes rather than "
                 "changing them")
         for node in filenodes:
             if node.path in (n.path for n in self.changed):
                 raise NodeAlreadyChangedError(
                     "Node at '%s' is already marked as changed" % node.path)
             self.changed.append(node)
 
     def remove(self, *filenodes):
         """
         Marks given ``FileNode`` (or ``RemovedFileNode``) objects to be
         *removed* in next commit.
 
         :raises ``NodeAlreadyRemovedError``: if node has been already marked to
            be *removed*
         :raises ``NodeAlreadyChangedError``: if node has been already marked to
            be *changed*
         """
         for node in filenodes:
             if node.path in (n.path for n in self.removed):
                 raise NodeAlreadyRemovedError(
                     "Node is already marked to for removal at %s" % node.path)
             if node.path in (n.path for n in self.changed):
                 raise NodeAlreadyChangedError(
                     "Node is already marked to be changed at %s" % node.path)
             # We only mark node as *removed* - real removal is done by
             # commit method
             self.removed.append(node)
 
     def reset(self):
         """
         Resets this instance to initial state (cleans ``added``, ``changed``
         and ``removed`` lists).
         """
         self.added = []
         self.changed = []
         self.removed = []
         self.parents = []
 
     def get_ipaths(self):
         """
         Returns generator of paths from nodes marked as added, changed or
         removed.
         """
         for node in itertools.chain(self.added, self.changed, self.removed):
             yield node.path
 
     def get_paths(self):
         """
         Returns list of paths from nodes marked as added, changed or removed.
         """
         return list(self.get_ipaths())
 
     def check_integrity(self, parents=None):
         """
         Checks in-memory commit's integrity. Also, sets parents if not
         already set.
 
         :raises CommitError: if any error occurs (i.e.
           ``NodeDoesNotExistError``).
         """
         if not self.parents:
             parents = parents or []
             if len(parents) == 0:
                 try:
                     parents = [self.repository.get_commit(), None]
                 except EmptyRepositoryError:
                     parents = [None, None]
             elif len(parents) == 1:
                 parents += [None]
             self.parents = parents
 
         # Local parents, only if not None
         parents = [p for p in self.parents if p]
 
         # Check nodes marked as added
         for p in parents:
             for node in self.added:
                 try:
                     p.get_node(node.path)
                 except NodeDoesNotExistError:
                     pass
                 else:
                     raise NodeAlreadyExistsError(
                         "Node `%s` already exists at %s" % (node.path, p))
 
         # Check nodes marked as changed
         missing = set(self.changed)
         not_changed = set(self.changed)
         if self.changed and not parents:
             raise NodeDoesNotExistError(str(self.changed[0].path))
         for p in parents:
             for node in self.changed:
                 try:
                     old = p.get_node(node.path)
                     missing.remove(node)
                     # if content actually changed, remove node from not_changed
                     if old.content != node.content:
                         not_changed.remove(node)
                 except NodeDoesNotExistError:
                     pass
         if self.changed and missing:
             raise NodeDoesNotExistError(
                 "Node `%s` marked as modified but missing in parents: %s"
                 % (node.path, parents))
 
         if self.changed and not_changed:
             raise NodeNotChangedError(
                 "Node `%s` wasn't actually changed (parents: %s)"
                 % (not_changed.pop().path, parents))
 
         # Check nodes marked as removed
         if self.removed and not parents:
             raise NodeDoesNotExistError(
                 "Cannot remove node at %s as there "
                 "were no parents specified" % self.removed[0].path)
         really_removed = set()
         for p in parents:
             for node in self.removed:
                 try:
                     p.get_node(node.path)
                     really_removed.add(node)
                 except CommitError:
                     pass
         not_removed = set(self.removed) - really_removed
         if not_removed:
             # TODO: johbo: This code branch does not seem to be covered
             raise NodeDoesNotExistError(
                 "Cannot remove node at %s from "
                 "following parents: %s" % (not_removed, parents))
 
     def commit(
             self, message, author, parents=None, branch=None, date=None,
             **kwargs):
         """
         Performs in-memory commit (doesn't check workdir in any way) and
         returns newly created :class:`BaseCommit`. Updates repository's
         attribute `commits`.
 
         .. note::
 
            While overriding this method each backend's should call
            ``self.check_integrity(parents)`` in the first place.
 
         :param message: message of the commit
         :param author: full username, i.e. "Joe Doe <[e-mail]>"
         :param parents: single parent or sequence of parents from which commit
            would be derived
         :param date: ``datetime.datetime`` instance. Defaults to
            ``datetime.datetime.now()``.
         :param branch: branch name, as string. If none given, default backend's
            branch would be used.
 
         :raises ``CommitError``: if any error occurs while committing
         """
         raise NotImplementedError
 
 
 class BaseInMemoryChangesetClass(type):
 
     def __instancecheck__(self, instance):
         return isinstance(instance, BaseInMemoryCommit)
 
 
 class BaseInMemoryChangeset(BaseInMemoryCommit):
 
     __metaclass__ = BaseInMemoryChangesetClass
 
     def __new__(cls, *args, **kwargs):
         warnings.warn(
             "Use BaseCommit instead of BaseInMemoryCommit", DeprecationWarning)
         return super(BaseInMemoryChangeset, cls).__new__(cls, *args, **kwargs)
 
 
 class EmptyCommit(BaseCommit):
     """
     An dummy empty commit. It's possible to pass hash when creating
     an EmptyCommit
     """
 
     def __init__(
             self, commit_id='0' * 40, repo=None, alias=None, idx=-1,
             message='', author='', date=None):
         self._empty_commit_id = commit_id
         # TODO: johbo: Solve idx parameter, default value does not make
         # too much sense
         self.idx = idx
         self.message = message
         self.author = author
         self.date = date or datetime.datetime.fromtimestamp(0)
         self.repository = repo
         self.alias = alias
 
     @LazyProperty
     def raw_id(self):
         """
         Returns raw string identifying this commit, useful for web
         representation.
         """
 
         return self._empty_commit_id
 
     @LazyProperty
     def branch(self):
         if self.alias:
             from rhodecode.lib.vcs.backends import get_backend
             return get_backend(self.alias).DEFAULT_BRANCH_NAME
 
     @LazyProperty
     def short_id(self):
         return self.raw_id[:12]
 
     @LazyProperty
     def id(self):
         return self.raw_id
 
     def get_file_commit(self, path):
         return self
 
     def get_file_content(self, path):
         return u''
 
     def get_file_size(self, path):
         return 0
 
 
 class EmptyChangesetClass(type):
 
     def __instancecheck__(self, instance):
         return isinstance(instance, EmptyCommit)
 
 
 class EmptyChangeset(EmptyCommit):
 
     __metaclass__ = EmptyChangesetClass
 
     def __new__(cls, *args, **kwargs):
         warnings.warn(
             "Use EmptyCommit instead of EmptyChangeset", DeprecationWarning)
         return super(EmptyCommit, cls).__new__(cls, *args, **kwargs)
 
     def __init__(self, cs='0' * 40, repo=None, requested_revision=None,
                  alias=None, revision=-1, message='', author='', date=None):
         if requested_revision is not None:
             warnings.warn(
                 "Parameter requested_revision not supported anymore",
                 DeprecationWarning)
         super(EmptyChangeset, self).__init__(
             commit_id=cs, repo=repo, alias=alias, idx=revision,
             message=message, author=author, date=date)
 
         @property
         def revision(self):
             warnings.warn("Use idx instead", DeprecationWarning)
             return self.idx
 
         @revision.setter
         def revision(self, value):
             warnings.warn("Use idx instead", DeprecationWarning)
             self.idx = value
 
 
 class EmptyRepository(BaseRepository):
     def __init__(self, repo_path=None, config=None, create=False, **kwargs):
         pass
 
     def get_diff(self, *args, **kwargs):
         from rhodecode.lib.vcs.backends.git.diff import GitDiff
         return GitDiff('')
 
 
 class CollectionGenerator(object):
 
     def __init__(self, repo, commit_ids, collection_size=None, pre_load=None):
         self.repo = repo
         self.commit_ids = commit_ids
         # TODO: (oliver) this isn't currently hooked up
         self.collection_size = None
         self.pre_load = pre_load
 
     def __len__(self):
         if self.collection_size is not None:
             return self.collection_size
         return self.commit_ids.__len__()
 
     def __iter__(self):
         for commit_id in self.commit_ids:
             # TODO: johbo: Mercurial passes in commit indices or commit ids
             yield self._commit_factory(commit_id)
 
     def _commit_factory(self, commit_id):
         """
         Allows backends to override the way commits are generated.
         """
         return self.repo.get_commit(commit_id=commit_id,
                                     pre_load=self.pre_load)
 
     def __getslice__(self, i, j):
         """
         Returns an iterator of sliced repository
         """
         commit_ids = self.commit_ids[i:j]
         return self.__class__(
             self.repo, commit_ids, pre_load=self.pre_load)
 
     def __repr__(self):
         return '<CollectionGenerator[len:%s]>' % (self.__len__())
 
 
 class Config(object):
     """
     Represents the configuration for a repository.
 
     The API is inspired by :class:`ConfigParser.ConfigParser` from the
     standard library. It implements only the needed subset.
     """
 
     def __init__(self):
         self._values = {}
 
     def copy(self):
         clone = Config()
         for section, values in self._values.items():
             clone._values[section] = values.copy()
         return clone
 
     def __repr__(self):
         return '<Config(%s sections) at %s>' % (
             len(self._values), hex(id(self)))
 
     def items(self, section):
         return self._values.get(section, {}).iteritems()
 
     def get(self, section, option):
         return self._values.get(section, {}).get(option)
 
     def set(self, section, option, value):
         section_values = self._values.setdefault(section, {})
         section_values[option] = value
 
     def clear_section(self, section):
         self._values[section] = {}
 
     def serialize(self):
         """
         Creates a list of three tuples (section, key, value) representing
         this config object.
         """
         items = []
         for section in self._values:
             for option, value in self._values[section].items():
                 items.append(
                     (safe_str(section), safe_str(option), safe_str(value)))
         return items
 
 
 class Diff(object):
     """
     Represents a diff result from a repository backend.
 
     Subclasses have to provide a backend specific value for
     :attr:`_header_re` and :attr:`_meta_re`.
     """
     _meta_re = None
     _header_re = None
 
     def __init__(self, raw_diff):
         self.raw = raw_diff
 
     def chunks(self):
         """
         split the diff in chunks of separate --git a/file b/file chunks
         to make diffs consistent we must prepend with \n, and make sure
         we can detect last chunk as this was also has special rule
         """
 
         diff_parts = ('\n' + self.raw).split('\ndiff --git')
         header = diff_parts[0]
 
         if self._meta_re:
             match = self._meta_re.match(header)
 
         chunks = diff_parts[1:]
         total_chunks = len(chunks)
 
         return (
             DiffChunk(chunk, self, cur_chunk == total_chunks)
             for cur_chunk, chunk in enumerate(chunks, start=1))
 
 
 class DiffChunk(object):
 
     def __init__(self, chunk, diff, last_chunk):
         self._diff = diff
 
         # since we split by \ndiff --git that part is lost from original diff
         # we need to re-apply it at the end, EXCEPT ! if it's last chunk
         if not last_chunk:
             chunk += '\n'
 
         match = self._diff._header_re.match(chunk)
         self.header = match.groupdict()
         self.diff = chunk[match.end():]
         self.raw = chunk
 
 
 class BasePathPermissionChecker(object):
 
     @staticmethod
     def create_from_patterns(includes, excludes):
         if includes and '*' in includes and not excludes:
             return AllPathPermissionChecker()
         elif excludes and '*' in excludes:
             return NonePathPermissionChecker()
         else:
             return PatternPathPermissionChecker(includes, excludes)
 
     @property
     def has_full_access(self):
         raise NotImplemented()
 
     def has_access(self, path):
         raise NotImplemented()
 
 
 class AllPathPermissionChecker(BasePathPermissionChecker):
 
     @property
     def has_full_access(self):
         return True
 
     def has_access(self, path):
         return True
 
 
 class NonePathPermissionChecker(BasePathPermissionChecker):
 
     @property
     def has_full_access(self):
         return False
 
     def has_access(self, path):
         return False
 
 
 class PatternPathPermissionChecker(BasePathPermissionChecker):
 
     def __init__(self, includes, excludes):
         self.includes = includes
         self.excludes = excludes
         self.includes_re = [] if not includes else [
             re.compile(fnmatch.translate(pattern)) for pattern in includes]
         self.excludes_re = [] if not excludes else [
             re.compile(fnmatch.translate(pattern)) for pattern in excludes]
 
     @property
     def has_full_access(self):
         return '*' in self.includes and not self.excludes
 
     def has_access(self, path):
         for regex in self.excludes_re:
             if regex.match(path):
                 return False
         for regex in self.includes_re:
             if regex.match(path):
                 return True
         return False

rhodecode/templates/codeblocks/diffs.mako

@@ -1,869 +1,884 b''
 <%namespace name="commentblock" file="/changeset/changeset_file_comment.mako"/>
 
 <%def name="diff_line_anchor(filename, line, type)"><%
 return '%s_%s_%i' % (h.safeid(filename), type, line)
 %></%def>
 
 <%def name="action_class(action)">
 <%
     return {
         '-': 'cb-deletion',
         '+': 'cb-addition',
         ' ': 'cb-context',
         }.get(action, 'cb-empty')
 %>
 </%def>
 
 <%def name="op_class(op_id)">
 <%
     return {
         DEL_FILENODE: 'deletion', # file deleted
         BIN_FILENODE: 'warning' # binary diff hidden
     }.get(op_id, 'addition')
 %>
 </%def>
 
 
 
 <%def name="render_diffset(diffset, commit=None,
 
     # collapse all file diff entries when there are more than this amount of files in the diff
     collapse_when_files_over=20,
 
     # collapse lines in the diff when more than this amount of lines changed in the file diff
     lines_changed_limit=500,
 
     # add a ruler at to the output
     ruler_at_chars=0,
 
     # show inline comments
     use_comments=False,
 
     # disable new comments
     disable_new_comments=False,
 
     # special file-comments that were deleted in previous versions
     # it's used for showing outdated comments for deleted files in a PR
     deleted_files_comments=None,
 
     # for cache purpose
-    inline_comments=None
+    inline_comments=None,
 
 )">
 %if use_comments:
 <div id="cb-comments-inline-container-template" class="js-template">
   ${inline_comments_container([], inline_comments)}
 </div>
 <div class="js-template" id="cb-comment-inline-form-template">
     <div class="comment-inline-form ac">
 
     %if c.rhodecode_user.username != h.DEFAULT_USER:
         ## render template for inline comments
         ${commentblock.comment_form(form_type='inline')}
     %else:
         ${h.form('', class_='inline-form comment-form-login', method='get')}
         <div class="pull-left">
             <div class="comment-help pull-right">
               ${_('You need to be logged in to leave comments.')} <a href="${h.route_path('login', _query={'came_from': h.current_route_path(request)})}">${_('Login now')}</a>
             </div>
         </div>
         <div class="comment-button pull-right">
          <button type="button" class="cb-comment-cancel" onclick="return Rhodecode.comments.cancelComment(this);">
           ${_('Cancel')}
          </button>
         </div>
         <div class="clearfix"></div>
         ${h.end_form()}
     %endif
     </div>
 </div>
 
 %endif
 <%
 collapse_all = len(diffset.files) > collapse_when_files_over
 %>
 
 %if c.user_session_attrs["diffmode"] == 'sideside':
 <style>
 .wrapper {
     max-width: 1600px !important;
 }
 </style>
 %endif
 
 %if ruler_at_chars:
 <style>
 .diff table.cb .cb-content:after {
     content: "";
     border-left: 1px solid blue;
     position: absolute;
     top: 0;
     height: 18px;
     opacity: .2;
     z-index: 10;
     //## +5 to account for diff action (+/-)
     left: ${ruler_at_chars + 5}ch;
 </style>
 %endif
 
 <div class="diffset ${disable_new_comments and 'diffset-comments-disabled'}">
     <div class="diffset-heading ${diffset.limited_diff and 'diffset-heading-warning' or ''}">
         %if commit:
             <div class="pull-right">
                 <a class="btn tooltip" title="${h.tooltip(_('Browse Files at revision {}').format(commit.raw_id))}" href="${h.route_path('repo_files',repo_name=diffset.repo_name, commit_id=commit.raw_id, f_path='')}">
                     ${_('Browse Files')}
                 </a>
             </div>
         %endif
         <h2 class="clearinner">
         ## invidual commit
         % if commit:
-            <a class="tooltip revision" title="${h.tooltip(commit.message)}" href="${h.route_path('repo_commit',repo_name=c.repo_name,commit_id=commit.raw_id)}">${('r%s:%s' % (commit.idx,h.short_id(commit.raw_id)))}</a> -
+            <a class="tooltip revision" title="${h.tooltip(commit.message)}" href="${h.route_path('repo_commit',repo_name=diffset.repo_name,commit_id=commit.raw_id)}">${('r%s:%s' % (commit.idx,h.short_id(commit.raw_id)))}</a> -
             ${h.age_component(commit.date)}
             % if diffset.limited_diff:
                 - ${_('The requested commit is too big and content was truncated.')}
                 ${_ungettext('%(num)s file changed.', '%(num)s files changed.', diffset.changed_files) % {'num': diffset.changed_files}}
                 <a href="${h.current_route_path(request, fulldiff=1)}" onclick="return confirm('${_("Showing a big diff might take some time and resources, continue?")}')">${_('Show full diff')}</a>
             % elif hasattr(c, 'commit_ranges') and len(c.commit_ranges) > 1:
                 ## compare diff, has no file-selector and we want to show stats anyway
                ${_ungettext('{num} file changed: {linesadd} inserted, ''{linesdel} deleted',
                             '{num} files changed: {linesadd} inserted, {linesdel} deleted', diffset.changed_files) \
                             .format(num=diffset.changed_files, linesadd=diffset.lines_added, linesdel=diffset.lines_deleted)}
             % endif
         % else:
             ## pull requests/compare
             ${_('File Changes')}
         % endif
 
         </h2>
     </div>
 
     %if diffset.has_hidden_changes:
         <p class="empty_data">${_('Some changes may be hidden')}</p>
     %elif not diffset.files:
         <p class="empty_data">${_('No files')}</p>
     %endif
 
     <div class="filediffs">
     ## initial value could be marked as False later on
     <% over_lines_changed_limit = False %>
     %for i, filediff in enumerate(diffset.files):
 
         <%
         lines_changed = filediff.patch['stats']['added'] + filediff.patch['stats']['deleted']
         over_lines_changed_limit = lines_changed > lines_changed_limit
         %>
 
         <input ${(collapse_all and 'checked' or '')} class="filediff-collapse-state" id="filediff-collapse-${id(filediff)}" type="checkbox">
         <div
             class="filediff"
             data-f-path="${filediff.patch['filename']}"
-            id="a_${h.FID('', filediff.patch['filename'])}"
+            id="a_${h.FID(filediff.raw_id, filediff.patch['filename'])}"
         >
 
         <label for="filediff-collapse-${id(filediff)}" class="filediff-heading">
             <div class="filediff-collapse-indicator"></div>
             ${diff_ops(filediff)}
         </label>
         ${diff_menu(filediff, use_comments=use_comments)}
         <table class="cb cb-diff-${c.user_session_attrs["diffmode"]} code-highlight ${(over_lines_changed_limit and 'cb-collapsed' or '')}">
 
         ## new/deleted/empty content case
         % if not filediff.hunks:
             ## Comment container, on "fakes" hunk that contains all data to render comments
             ${render_hunk_lines(c.user_session_attrs["diffmode"], filediff.hunk_ops, use_comments=use_comments, inline_comments=inline_comments)}
         % endif
 
         %if filediff.limited_diff:
                 <tr class="cb-warning cb-collapser">
                     <td class="cb-text" ${(c.user_session_attrs["diffmode"] == 'unified' and 'colspan=4' or 'colspan=6')}>
                         ${_('The requested commit is too big and content was truncated.')} <a href="${h.current_route_path(request, fulldiff=1)}" onclick="return confirm('${_("Showing a big diff might take some time and resources, continue?")}')">${_('Show full diff')}</a>
                     </td>
                 </tr>
         %else:
             %if over_lines_changed_limit:
                     <tr class="cb-warning cb-collapser">
                         <td class="cb-text" ${(c.user_session_attrs["diffmode"] == 'unified' and 'colspan=4' or 'colspan=6')}>
                             ${_('This diff has been collapsed as it changes many lines, (%i lines changed)' % lines_changed)}
                             <a href="#" class="cb-expand"
                                onclick="$(this).closest('table').removeClass('cb-collapsed'); return false;">${_('Show them')}
                             </a>
                             <a href="#" class="cb-collapse"
                                onclick="$(this).closest('table').addClass('cb-collapsed'); return false;">${_('Hide them')}
                             </a>
                         </td>
                     </tr>
             %endif
         %endif
 
         % for hunk in filediff.hunks:
             <tr class="cb-hunk">
                 <td ${(c.user_session_attrs["diffmode"] == 'unified' and 'colspan=3' or '')}>
                     ## TODO: dan: add ajax loading of more context here
                     ## <a href="#">
                         <i class="icon-more"></i>
                     ## </a>
                 </td>
                 <td ${(c.user_session_attrs["diffmode"] == 'sideside' and 'colspan=5' or '')}>
                     @@
                     -${hunk.source_start},${hunk.source_length}
                     +${hunk.target_start},${hunk.target_length}
                     ${hunk.section_header}
                 </td>
             </tr>
             ${render_hunk_lines(c.user_session_attrs["diffmode"], hunk, use_comments=use_comments, inline_comments=inline_comments)}
         % endfor
 
         <% unmatched_comments = (inline_comments or {}).get(filediff.patch['filename'], {}) %>
 
         ## outdated comments that do not fit into currently displayed lines
         % for lineno, comments in unmatched_comments.items():
 
             %if c.user_session_attrs["diffmode"] == 'unified':
                 % if loop.index == 0:
                 <tr class="cb-hunk">
                     <td colspan="3"></td>
                     <td>
                         <div>
                         ${_('Unmatched inline comments below')}
                         </div>
                     </td>
                 </tr>
                 % endif
                 <tr class="cb-line">
                     <td class="cb-data cb-context"></td>
                     <td class="cb-lineno cb-context"></td>
                     <td class="cb-lineno cb-context"></td>
                     <td class="cb-content cb-context">
                         ${inline_comments_container(comments, inline_comments)}
                     </td>
                 </tr>
             %elif c.user_session_attrs["diffmode"] == 'sideside':
                 % if loop.index == 0:
                 <tr class="cb-comment-info">
                     <td colspan="2"></td>
                     <td class="cb-line">
                         <div>
                         ${_('Unmatched inline comments below')}
                         </div>
                     </td>
                     <td colspan="2"></td>
                     <td class="cb-line">
                         <div>
                         ${_('Unmatched comments below')}
                         </div>
                     </td>
                 </tr>
                 % endif
                 <tr class="cb-line">
                     <td class="cb-data cb-context"></td>
                     <td class="cb-lineno cb-context"></td>
                     <td class="cb-content cb-context">
                         % if lineno.startswith('o'):
                             ${inline_comments_container(comments, inline_comments)}
                         % endif
                     </td>
 
                     <td class="cb-data cb-context"></td>
                     <td class="cb-lineno cb-context"></td>
                     <td class="cb-content cb-context">
                         % if lineno.startswith('n'):
                             ${inline_comments_container(comments, inline_comments)}
                         % endif
                     </td>
                 </tr>
             %endif
 
         % endfor
 
             </table>
         </div>
     %endfor
 
     ## outdated comments that are made for a file that has been deleted
     % for filename, comments_dict in (deleted_files_comments or {}).items():
         <%
             display_state = 'display: none'
             open_comments_in_file = [x for x in comments_dict['comments'] if x.outdated is False]
             if open_comments_in_file:
                 display_state = ''
         %>
         <div class="filediffs filediff-outdated" style="${display_state}">
             <input ${(collapse_all and 'checked' or '')} class="filediff-collapse-state" id="filediff-collapse-${id(filename)}" type="checkbox">
-            <div class="filediff" data-f-path="${filename}"  id="a_${h.FID('', filename)}">
+            <div class="filediff" data-f-path="${filename}"  id="a_${h.FID(filediff.raw_id, filename)}">
                 <label for="filediff-collapse-${id(filename)}" class="filediff-heading">
                     <div class="filediff-collapse-indicator"></div>
                     <span class="pill">
                         ## file was deleted
                         <strong>${filename}</strong>
                     </span>
                     <span class="pill-group" style="float: left">
                         ## file op, doesn't need translation
                         <span class="pill" op="removed">removed in this version</span>
                     </span>
-                    <a class="pill filediff-anchor" href="#a_${h.FID('', filename)}">¶</a>
+                    <a class="pill filediff-anchor" href="#a_${h.FID(filediff.raw_id, filename)}">¶</a>
                     <span class="pill-group" style="float: right">
                         <span class="pill" op="deleted">-${comments_dict['stats']}</span>
                     </span>
                 </label>
 
                 <table class="cb cb-diff-${c.user_session_attrs["diffmode"]} code-highlight ${over_lines_changed_limit and 'cb-collapsed' or ''}">
                     <tr>
                         % if c.user_session_attrs["diffmode"] == 'unified':
                         <td></td>
                         %endif
 
                         <td></td>
                         <td class="cb-text cb-${op_class(BIN_FILENODE)}" ${(c.user_session_attrs["diffmode"] == 'unified' and 'colspan=4' or 'colspan=5')}>
                         ${_('File was deleted in this version. There are still outdated/unresolved comments attached to it.')}
                         </td>
                     </tr>
                     %if c.user_session_attrs["diffmode"] == 'unified':
                     <tr class="cb-line">
                         <td class="cb-data cb-context"></td>
                         <td class="cb-lineno cb-context"></td>
                         <td class="cb-lineno cb-context"></td>
                         <td class="cb-content cb-context">
                             ${inline_comments_container(comments_dict['comments'], inline_comments)}
                         </td>
                     </tr>
                     %elif c.user_session_attrs["diffmode"] == 'sideside':
                     <tr class="cb-line">
                         <td class="cb-data cb-context"></td>
                         <td class="cb-lineno cb-context"></td>
                         <td class="cb-content cb-context"></td>
 
                         <td class="cb-data cb-context"></td>
                         <td class="cb-lineno cb-context"></td>
                         <td class="cb-content cb-context">
                             ${inline_comments_container(comments_dict['comments'], inline_comments)}
                         </td>
                     </tr>
                     %endif
                 </table>
             </div>
         </div>
     % endfor
 
 </div>
 </div>
 </%def>
 
 <%def name="diff_ops(filediff)">
 <%
 from rhodecode.lib.diffs import NEW_FILENODE, DEL_FILENODE, \
     MOD_FILENODE, RENAMED_FILENODE, CHMOD_FILENODE, BIN_FILENODE, COPIED_FILENODE
 %>
     <span class="pill">
         %if filediff.source_file_path and filediff.target_file_path:
             %if filediff.source_file_path != filediff.target_file_path:
                  ## file was renamed, or copied
                 %if RENAMED_FILENODE in filediff.patch['stats']['ops']:
                     <strong>${filediff.target_file_path}</strong> ⬅ <del>${filediff.source_file_path}</del>
                     <% final_path = filediff.target_file_path %>
                 %elif COPIED_FILENODE in filediff.patch['stats']['ops']:
                     <strong>${filediff.target_file_path}</strong> ⬅ ${filediff.source_file_path}
                     <% final_path = filediff.target_file_path %>
                 %endif
             %else:
                 ## file was modified
                 <strong>${filediff.source_file_path}</strong>
                 <% final_path = filediff.source_file_path %>
             %endif
         %else:
             %if filediff.source_file_path:
                 ## file was deleted
                 <strong>${filediff.source_file_path}</strong>
                 <% final_path = filediff.source_file_path %>
             %else:
                 ## file was added
                 <strong>${filediff.target_file_path}</strong>
                 <% final_path = filediff.target_file_path %>
             %endif
         %endif
         <i style="color: #aaa" class="tooltip icon-clipboard clipboard-action" data-clipboard-text="${final_path}" title="${_('Copy the full path')}" onclick="return false;"></i>
     </span>
     ## anchor link
-    <a class="pill filediff-anchor" href="#a_${h.FID('', filediff.patch['filename'])}">¶</a>
+    <a class="pill filediff-anchor" href="#a_${h.FID(filediff.raw_id, filediff.patch['filename'])}">¶</a>
 
     <span class="pill-group" style="float: right">
 
         ## ops pills
         %if filediff.limited_diff:
         <span class="pill tooltip" op="limited" title="The stats for this diff are not complete">limited diff</span>
         %endif
 
         %if NEW_FILENODE in filediff.patch['stats']['ops']:
         <span class="pill" op="created">created</span>
             %if filediff['target_mode'].startswith('120'):
         <span class="pill" op="symlink">symlink</span>
             %else:
         <span class="pill" op="mode">${nice_mode(filediff['target_mode'])}</span>
             %endif
         %endif
 
         %if RENAMED_FILENODE in filediff.patch['stats']['ops']:
         <span class="pill" op="renamed">renamed</span>
         %endif
 
         %if COPIED_FILENODE in filediff.patch['stats']['ops']:
         <span class="pill" op="copied">copied</span>
         %endif
 
         %if DEL_FILENODE in filediff.patch['stats']['ops']:
         <span class="pill" op="removed">removed</span>
         %endif
 
         %if CHMOD_FILENODE in filediff.patch['stats']['ops']:
         <span class="pill" op="mode">
             ${nice_mode(filediff['source_mode'])} ➡ ${nice_mode(filediff['target_mode'])}
         </span>
         %endif
 
         %if BIN_FILENODE in filediff.patch['stats']['ops']:
         <span class="pill" op="binary">binary</span>
             %if MOD_FILENODE in filediff.patch['stats']['ops']:
         <span class="pill" op="modified">modified</span>
             %endif
         %endif
 
         <span class="pill" op="added">${('+' if filediff.patch['stats']['added'] else '')}${filediff.patch['stats']['added']}</span>
         <span class="pill" op="deleted">${((h.safe_int(filediff.patch['stats']['deleted']) or 0) * -1)}</span>
 
     </span>
 
 </%def>
 
 <%def name="nice_mode(filemode)">
     ${(filemode.startswith('100') and filemode[3:] or filemode)}
 </%def>
 
 <%def name="diff_menu(filediff, use_comments=False)">
     <div class="filediff-menu">
 %if filediff.diffset.source_ref:
     %if filediff.operation in ['D', 'M']:
         <a
             class="tooltip"
             href="${h.route_path('repo_files',repo_name=filediff.diffset.repo_name,commit_id=filediff.diffset.source_ref,f_path=filediff.source_file_path)}"
             title="${h.tooltip(_('Show file at commit: %(commit_id)s') % {'commit_id': filediff.diffset.source_ref[:12]})}"
         >
             ${_('Show file before')}
         </a> |
     %else:
         <span
             class="tooltip"
             title="${h.tooltip(_('File no longer present at commit: %(commit_id)s') % {'commit_id': filediff.diffset.source_ref[:12]})}"
         >
             ${_('Show file before')}
         </span> |
     %endif
     %if filediff.operation in ['A', 'M']:
         <a
             class="tooltip"
             href="${h.route_path('repo_files',repo_name=filediff.diffset.source_repo_name,commit_id=filediff.diffset.target_ref,f_path=filediff.target_file_path)}"
             title="${h.tooltip(_('Show file at commit: %(commit_id)s') % {'commit_id': filediff.diffset.target_ref[:12]})}"
         >
             ${_('Show file after')}
         </a> |
     %else:
         <span
             class="tooltip"
             title="${h.tooltip(_('File no longer present at commit: %(commit_id)s') % {'commit_id': filediff.diffset.target_ref[:12]})}"
             >
                 ${_('Show file after')}
         </span> |
     %endif
         <a
             class="tooltip"
             title="${h.tooltip(_('Raw diff'))}"
             href="${h.route_path('repo_files_diff',repo_name=filediff.diffset.repo_name,f_path=filediff.target_file_path, _query=dict(diff2=filediff.diffset.target_ref,diff1=filediff.diffset.source_ref,diff='raw'))}"
         >
             ${_('Raw diff')}
         </a> |
         <a
             class="tooltip"
             title="${h.tooltip(_('Download diff'))}"
             href="${h.route_path('repo_files_diff',repo_name=filediff.diffset.repo_name,f_path=filediff.target_file_path, _query=dict(diff2=filediff.diffset.target_ref,diff1=filediff.diffset.source_ref,diff='download'))}"
         >
             ${_('Download diff')}
         </a>
         % if use_comments:
             |
         % endif
 
         ## TODO: dan: refactor ignorews_url and context_url into the diff renderer same as diffmode=unified/sideside. Also use ajax to load more context (by clicking hunks)
         %if hasattr(c, 'ignorews_url'):
-        ${c.ignorews_url(request, h.FID('', filediff.patch['filename']))}
+        ${c.ignorews_url(request, h.FID(filediff.raw_id, filediff.patch['filename']))}
         %endif
         %if hasattr(c, 'context_url'):
-        ${c.context_url(request, h.FID('', filediff.patch['filename']))}
+        ${c.context_url(request, h.FID(filediff.raw_id, filediff.patch['filename']))}
         %endif
 
         %if use_comments:
         <a href="#" onclick="return Rhodecode.comments.toggleComments(this);">
             <span class="show-comment-button">${_('Show comments')}</span><span class="hide-comment-button">${_('Hide comments')}</span>
         </a>
         %endif
 %endif
     </div>
 </%def>
 
 
 <%def name="inline_comments_container(comments, inline_comments)">
 <div class="inline-comments">
     %for comment in comments:
         ${commentblock.comment_block(comment, inline=True)}
     %endfor
     % if comments and comments[-1].outdated:
     <span class="btn btn-secondary cb-comment-add-button comment-outdated}"
           style="display: none;}">
         ${_('Add another comment')}
     </span>
     % else:
     <span onclick="return Rhodecode.comments.createComment(this)"
           class="btn btn-secondary cb-comment-add-button">
         ${_('Add another comment')}
     </span>
     % endif
 
 </div>
 </%def>
 
 <%!
 def get_comments_for(diff_type, comments, filename, line_version, line_number):
     if hasattr(filename, 'unicode_path'):
         filename = filename.unicode_path
 
     if not isinstance(filename, basestring):
         return None
 
     line_key = '{}{}'.format(line_version, line_number) ## e.g o37, n12
 
     if comments and filename in comments:
         file_comments = comments[filename]
         if line_key in file_comments:
             data = file_comments.pop(line_key)
             return data
 %>
 
 <%def name="render_hunk_lines_sideside(hunk, use_comments=False, inline_comments=None)">
 
     %for i, line in enumerate(hunk.sideside):
     <%
     old_line_anchor, new_line_anchor = None, None
     if line.original.lineno:
         old_line_anchor = diff_line_anchor(hunk.source_file_path, line.original.lineno, 'o')
     if line.modified.lineno:
         new_line_anchor = diff_line_anchor(hunk.target_file_path, line.modified.lineno, 'n')
     %>
 
     <tr class="cb-line">
         <td class="cb-data ${action_class(line.original.action)}"
             data-line-no="${line.original.lineno}"
             >
             <div>
 
             <% line_old_comments = None %>
             %if line.original.get_comment_args:
                 <% line_old_comments = get_comments_for('side-by-side', inline_comments, *line.original.get_comment_args) %>
             %endif
             %if line_old_comments:
                 <% has_outdated = any([x.outdated for x in line_old_comments]) %>
                 % if has_outdated:
                     <i title="${_('comments including outdated')}:${len(line_old_comments)}" class="icon-comment_toggle" onclick="return Rhodecode.comments.toggleLineComments(this)"></i>
                 % else:
                     <i title="${_('comments')}: ${len(line_old_comments)}" class="icon-comment" onclick="return Rhodecode.comments.toggleLineComments(this)"></i>
                 % endif
             %endif
             </div>
         </td>
         <td class="cb-lineno ${action_class(line.original.action)}"
             data-line-no="${line.original.lineno}"
             %if old_line_anchor:
             id="${old_line_anchor}"
             %endif
         >
             %if line.original.lineno:
             <a name="${old_line_anchor}" href="#${old_line_anchor}">${line.original.lineno}</a>
             %endif
         </td>
         <td class="cb-content ${action_class(line.original.action)}"
             data-line-no="o${line.original.lineno}"
             >
             %if use_comments and line.original.lineno:
             ${render_add_comment_button()}
             %endif
             <span class="cb-code">${line.original.action} ${line.original.content or '' | n}</span>
 
             %if use_comments and line.original.lineno and line_old_comments:
                 ${inline_comments_container(line_old_comments, inline_comments)}
             %endif
 
         </td>
         <td class="cb-data ${action_class(line.modified.action)}"
             data-line-no="${line.modified.lineno}"
             >
             <div>
 
             %if line.modified.get_comment_args:
                 <% line_new_comments = get_comments_for('side-by-side', inline_comments, *line.modified.get_comment_args) %>
             %else:
                 <% line_new_comments = None%>
             %endif
             %if line_new_comments:
                 <% has_outdated = any([x.outdated for x in line_new_comments]) %>
                 % if has_outdated:
                     <i title="${_('comments including outdated')}:${len(line_new_comments)}" class="icon-comment_toggle" onclick="return Rhodecode.comments.toggleLineComments(this)"></i>
                 % else:
                     <i title="${_('comments')}: ${len(line_new_comments)}" class="icon-comment" onclick="return Rhodecode.comments.toggleLineComments(this)"></i>
                 % endif
             %endif
             </div>
         </td>
         <td class="cb-lineno ${action_class(line.modified.action)}"
             data-line-no="${line.modified.lineno}"
             %if new_line_anchor:
             id="${new_line_anchor}"
             %endif
             >
             %if line.modified.lineno:
                 <a name="${new_line_anchor}" href="#${new_line_anchor}">${line.modified.lineno}</a>
             %endif
         </td>
         <td class="cb-content ${action_class(line.modified.action)}"
             data-line-no="n${line.modified.lineno}"
             >
             %if use_comments and line.modified.lineno:
             ${render_add_comment_button()}
             %endif
             <span class="cb-code">${line.modified.action} ${line.modified.content or '' | n}</span>
             %if use_comments and line.modified.lineno and line_new_comments:
             ${inline_comments_container(line_new_comments, inline_comments)}
             %endif
         </td>
     </tr>
     %endfor
 </%def>
 
 
 <%def name="render_hunk_lines_unified(hunk, use_comments=False,  inline_comments=None)">
     %for old_line_no, new_line_no, action, content, comments_args in hunk.unified:
     <%
     old_line_anchor, new_line_anchor = None, None
     if old_line_no:
         old_line_anchor = diff_line_anchor(hunk.source_file_path, old_line_no, 'o')
     if new_line_no:
         new_line_anchor = diff_line_anchor(hunk.target_file_path, new_line_no, 'n')
     %>
     <tr class="cb-line">
         <td class="cb-data ${action_class(action)}">
             <div>
 
             %if comments_args:
                 <% comments = get_comments_for('unified', inline_comments, *comments_args) %>
             %else:
                 <% comments = None %>
             %endif
 
             % if comments:
                 <% has_outdated = any([x.outdated for x in comments]) %>
                 % if has_outdated:
                     <i title="${_('comments including outdated')}:${len(comments)}" class="icon-comment_toggle" onclick="return Rhodecode.comments.toggleLineComments(this)"></i>
                 % else:
                     <i title="${_('comments')}: ${len(comments)}" class="icon-comment" onclick="return Rhodecode.comments.toggleLineComments(this)"></i>
                 % endif
             % endif
             </div>
         </td>
         <td class="cb-lineno ${action_class(action)}"
             data-line-no="${old_line_no}"
             %if old_line_anchor:
             id="${old_line_anchor}"
             %endif
         >
             %if old_line_anchor:
             <a name="${old_line_anchor}" href="#${old_line_anchor}">${old_line_no}</a>
             %endif
         </td>
         <td class="cb-lineno ${action_class(action)}"
             data-line-no="${new_line_no}"
             %if new_line_anchor:
             id="${new_line_anchor}"
             %endif
         >
             %if new_line_anchor:
             <a name="${new_line_anchor}" href="#${new_line_anchor}">${new_line_no}</a>
             %endif
         </td>
         <td class="cb-content ${action_class(action)}"
             data-line-no="${(new_line_no and 'n' or 'o')}${(new_line_no or old_line_no)}"
             >
             %if use_comments:
             ${render_add_comment_button()}
             %endif
             <span class="cb-code">${action} ${content or '' | n}</span>
             %if use_comments and comments:
             ${inline_comments_container(comments, inline_comments)}
             %endif
         </td>
     </tr>
     %endfor
 </%def>
 
 
 <%def name="render_hunk_lines(diff_mode, hunk, use_comments, inline_comments)">
     % if diff_mode == 'unified':
         ${render_hunk_lines_unified(hunk, use_comments=use_comments, inline_comments=inline_comments)}
     % elif diff_mode == 'sideside':
         ${render_hunk_lines_sideside(hunk, use_comments=use_comments, inline_comments=inline_comments)}
     % else:
         <tr class="cb-line">
             <td>unknown diff mode</td>
         </tr>
     % endif
-</%def>
+</%def>file changes
 
 
 <%def name="render_add_comment_button()">
 <button class="btn btn-small btn-primary cb-comment-box-opener" onclick="return Rhodecode.comments.createComment(this)">
     <span><i class="icon-comment"></i></span>
 </button>
 </%def>
 
-<%def name="render_diffset_menu(diffset=None)">
+<%def name="render_diffset_menu(diffset=None, range_diff_on=None)">
 
     <div class="diffset-menu clearinner">
         <div class="pull-right">
             <div class="btn-group">
 
                 <a
                   class="btn ${(c.user_session_attrs["diffmode"] == 'sideside' and 'btn-primary')} tooltip"
                   title="${h.tooltip(_('View side by side'))}"
                   href="${h.current_route_path(request, diffmode='sideside')}">
                     <span>${_('Side by Side')}</span>
                 </a>
                 <a
                   class="btn ${(c.user_session_attrs["diffmode"] == 'unified' and 'btn-primary')} tooltip"
                   title="${h.tooltip(_('View unified'))}" href="${h.current_route_path(request, diffmode='unified')}">
                     <span>${_('Unified')}</span>
                 </a>
+                % if range_diff_on is True:
+                    <a
+                      title="${_('Turn off: Show the diff as commit range')}"
+                      class="btn btn-primary"
+                      href="${h.current_route_path(request, **{"range-diff":"0"})}">
+                        <span>${_('Range Diff')}</span>
+                   </a>
+                % elif range_diff_on is False:
+                    <a
+                      title="${_('Show the diff as commit range')}"
+                      class="btn"
+                      href="${h.current_route_path(request, **{"range-diff":"1"})}">
+                        <span>${_('Range Diff')}</span>
+                   </a>
+                % endif
             </div>
         </div>
 
         <div class="pull-left">
           <div class="btn-group">
               <div class="pull-left">
               ${h.hidden('file_filter')}
               </div>
               <a
                   class="btn"
                   href="#"
                   onclick="$('input[class=filediff-collapse-state]').prop('checked', false); return false">${_('Expand All Files')}</a>
               <a
                   class="btn"
                   href="#"
                   onclick="$('input[class=filediff-collapse-state]').prop('checked', true); return false">${_('Collapse All Files')}</a>
               <a
                   class="btn"
                   href="#"
                   onclick="return Rhodecode.comments.toggleWideMode(this)">${_('Wide Mode Diff')}</a>
 
           </div>
         </div>
     </div>
 
     % if diffset:
 
         %if diffset.limited_diff:
             <% file_placeholder = _ungettext('%(num)s file changed', '%(num)s files changed', diffset.changed_files) % {'num': diffset.changed_files}%>
         %else:
             <% file_placeholder = _ungettext('%(num)s file changed: %(linesadd)s inserted, ''%(linesdel)s deleted', '%(num)s files changed: %(linesadd)s inserted, %(linesdel)s deleted', diffset.changed_files) % {'num': diffset.changed_files, 'linesadd': diffset.lines_added, 'linesdel': diffset.lines_deleted}%>
         %endif
 
         <script>
 
         var feedFilesOptions = function (query, initialData) {
             var data = {results: []};
             var isQuery = typeof query.term !== 'undefined';
 
             var section = _gettext('Changed files');
             var filteredData = [];
 
             //filter results
             $.each(initialData.results, function (idx, value) {
 
                 if (!isQuery || query.term.length === 0 || value.text.toUpperCase().indexOf(query.term.toUpperCase()) >= 0) {
                     filteredData.push({
                         'id': this.id,
                         'text': this.text,
                         "ops": this.ops,
                     })
                 }
 
             });
 
             data.results = filteredData;
 
             query.callback(data);
         };
 
         var formatFileResult = function(result, container, query, escapeMarkup) {
             return function(data, escapeMarkup) {
                 var container = '<div class="filelist" style="padding-right:100px">{0}</div>';
                 var tmpl = '<span style="margin-right:-50px"><strong>{0}</strong></span>'.format(escapeMarkup(data['text']));
                 var pill = '<span class="pill-group" style="float: right;margin-right: -100px">' +
                             '<span class="pill" op="added">{0}</span>' +
                             '<span class="pill" op="deleted">{1}</span>' +
                            '</span>'
                         ;
                 var added = data['ops']['added'];
                 if (added === 0) {
                     // don't show +0
                     added = 0;
                 } else {
                     added = '+' + added;
                 }
 
                 var deleted = -1*data['ops']['deleted'];
 
                 tmpl += pill.format(added, deleted);
                 return container.format(tmpl);
 
             }(result, escapeMarkup);
         };
         var preloadData = {
             results: [
                 % for filediff in diffset.files:
-                    {id:"a_${h.FID('', filediff.patch['filename'])}",
+                    {id:"a_${h.FID(filediff.raw_id, filediff.patch['filename'])}",
                      text:"${filediff.patch['filename']}",
                      ops:${h.json.dumps(filediff.patch['stats'])|n}}${('' if loop.last else ',')}
                 % endfor
             ]
         };
 
         $("#file_filter").select2({
             'dropdownAutoWidth': true,
             'width': 'auto',
             'placeholder': "${file_placeholder}",
             containerCssClass: "drop-menu",
             dropdownCssClass: "drop-menu-dropdown",
             data: preloadData,
             query: function(query) {
                 feedFilesOptions(query, preloadData);
             },
             formatResult: formatFileResult
         });
 
         $("#file_filter").on('click', function (e) {
             e.preventDefault();
             var selected = $('#file_filter').select2('data');
             var idSelector = "#"+selected.id;
             window.location.hash = idSelector;
             // expand the container if we quick-select the field
             $(idSelector).prev().prop('checked', false);
         })
 
     </script>
     % endif
 
 </%def>

rhodecode/templates/pullrequests/pullrequest_show.mako

@@ -1,869 +1,874 b''
 <%inherit file="/base/base.mako"/>
 <%namespace name="base" file="/base/base.mako"/>
 <%namespace name="dt" file="/data_table/_dt_elements.mako"/>
 
 <%def name="title()">
     ${_('%s Pull Request #%s') % (c.repo_name, c.pull_request.pull_request_id)}
     %if c.rhodecode_name:
         &middot; ${h.branding(c.rhodecode_name)}
     %endif
 </%def>
 
 <%def name="breadcrumbs_links()">
     <span id="pr-title">
     ${c.pull_request.title}
     %if c.pull_request.is_closed():
         (${_('Closed')})
     %endif
     </span>
     <div id="pr-title-edit" class="input" style="display: none;">
         ${h.text('pullrequest_title', id_="pr-title-input", class_="large", value=c.pull_request.title)}
     </div>
 </%def>
 
 <%def name="menu_bar_nav()">
     ${self.menu_items(active='repositories')}
 </%def>
 
 <%def name="menu_bar_subnav()">
     ${self.repo_menu(active='showpullrequest')}
 </%def>
 
 <%def name="main()">
 
 <script type="text/javascript">
     // TODO: marcink switch this to pyroutes
     AJAX_COMMENT_DELETE_URL = "${h.route_path('pullrequest_comment_delete',repo_name=c.repo_name,pull_request_id=c.pull_request.pull_request_id,comment_id='__COMMENT_ID__')}";
     templateContext.pull_request_data.pull_request_id = ${c.pull_request.pull_request_id};
 </script>
 <div class="box">
 
   <div class="title">
     ${self.repo_page_title(c.rhodecode_db_repo)}
   </div>
 
   ${self.breadcrumbs()}
 
   <div class="box pr-summary">
 
       <div class="summary-details block-left">
         <% summary = lambda n:{False:'summary-short'}.get(n) %>
         <div class="pr-details-title">
             <a href="${h.route_path('pull_requests_global', pull_request_id=c.pull_request.pull_request_id)}">${_('Pull request #%s') % c.pull_request.pull_request_id}</a> ${_('From')} ${h.format_date(c.pull_request.created_on)}
             %if c.allowed_to_update:
               <div id="delete_pullrequest" class="pull-right action_button ${'' if c.allowed_to_delete else 'disabled' }" style="clear:inherit;padding: 0">
                   % if c.allowed_to_delete:
                       ${h.secure_form(h.route_path('pullrequest_delete', repo_name=c.pull_request.target_repo.repo_name, pull_request_id=c.pull_request.pull_request_id), request=request)}
                           ${h.submit('remove_%s' % c.pull_request.pull_request_id, _('Delete'),
                         class_="btn btn-link btn-danger no-margin",onclick="return confirm('"+_('Confirm to delete this pull request')+"');")}
                       ${h.end_form()}
                   % else:
                     ${_('Delete')}
                   % endif
               </div>
               <div id="open_edit_pullrequest" class="pull-right action_button">${_('Edit')}</div>
               <div id="close_edit_pullrequest" class="pull-right action_button" style="display: none;padding: 0">${_('Cancel')}</div>
             %endif
         </div>
 
         <div id="summary" class="fields pr-details-content">
            <div class="field">
             <div class="label-summary">
                 <label>${_('Source')}:</label>
             </div>
             <div class="input">
                 <div class="pr-origininfo">
                     ## branch link is only valid if it is a branch
                     <span class="tag">
                       %if c.pull_request.source_ref_parts.type == 'branch':
                         <a href="${h.route_path('repo_changelog', repo_name=c.pull_request.source_repo.repo_name, _query=dict(branch=c.pull_request.source_ref_parts.name))}">${c.pull_request.source_ref_parts.type}: ${c.pull_request.source_ref_parts.name}</a>
                       %else:
                         ${c.pull_request.source_ref_parts.type}: ${c.pull_request.source_ref_parts.name}
                       %endif
                     </span>
                     <span class="clone-url">
                         <a href="${h.route_path('repo_summary', repo_name=c.pull_request.source_repo.repo_name)}">${c.pull_request.source_repo.clone_url()}</a>
                     </span>
                     <br/>
                     % if c.ancestor_commit:
                         ${_('Common ancestor')}:
                         <code><a href="${h.route_path('repo_commit', repo_name=c.target_repo.repo_name, commit_id=c.ancestor_commit.raw_id)}">${h.show_id(c.ancestor_commit)}</a></code>
                     % endif
                 </div>
                 %if h.is_hg(c.pull_request.source_repo):
                     <% clone_url = 'hg pull -r {} {}'.format(h.short_id(c.source_ref), c.pull_request.source_repo.clone_url()) %>
                 %elif h.is_git(c.pull_request.source_repo):
                     <% clone_url = 'git pull {} {}'.format(c.pull_request.source_repo.clone_url(), c.pull_request.source_ref_parts.name) %>
                 %endif
 
                 <div class="">
                     <input type="text" class="input-monospace pr-pullinfo" value="${clone_url}" readonly="readonly">
                     <i class="tooltip icon-clipboard clipboard-action pull-right pr-pullinfo-copy" data-clipboard-text="${clone_url}" title="${_('Copy the pull url')}"></i>
                 </div>
 
             </div>
            </div>
            <div class="field">
             <div class="label-summary">
                 <label>${_('Target')}:</label>
             </div>
             <div class="input">
                 <div class="pr-targetinfo">
                     ## branch link is only valid if it is a branch
                     <span class="tag">
                       %if c.pull_request.target_ref_parts.type == 'branch':
                         <a href="${h.route_path('repo_changelog', repo_name=c.pull_request.target_repo.repo_name, _query=dict(branch=c.pull_request.target_ref_parts.name))}">${c.pull_request.target_ref_parts.type}: ${c.pull_request.target_ref_parts.name}</a>
                       %else:
                         ${c.pull_request.target_ref_parts.type}: ${c.pull_request.target_ref_parts.name}
                       %endif
                     </span>
                     <span class="clone-url">
                         <a href="${h.route_path('repo_summary', repo_name=c.pull_request.target_repo.repo_name)}">${c.pull_request.target_repo.clone_url()}</a>
                     </span>
                 </div>
             </div>
            </div>
 
             ## Link to the shadow repository.
             <div class="field">
                 <div class="label-summary">
                     <label>${_('Merge')}:</label>
                 </div>
                 <div class="input">
                     % if not c.pull_request.is_closed() and c.pull_request.shadow_merge_ref:
                         %if h.is_hg(c.pull_request.target_repo):
                             <% clone_url = 'hg clone --update {} {} pull-request-{}'.format(c.pull_request.shadow_merge_ref.name, c.shadow_clone_url, c.pull_request.pull_request_id) %>
                         %elif h.is_git(c.pull_request.target_repo):
                             <% clone_url = 'git clone --branch {} {} pull-request-{}'.format(c.pull_request.shadow_merge_ref.name, c.shadow_clone_url, c.pull_request.pull_request_id) %>
                         %endif
                         <div class="">
                             <input type="text" class="input-monospace pr-mergeinfo" value="${clone_url}" readonly="readonly">
                             <i class="tooltip icon-clipboard clipboard-action pull-right pr-mergeinfo-copy" data-clipboard-text="${clone_url}" title="${_('Copy the clone url')}"></i>
                         </div>
                     % else:
                         <div class="">
                             ${_('Shadow repository data not available')}.
                         </div>
                     % endif
                 </div>
             </div>
 
            <div class="field">
             <div class="label-summary">
                 <label>${_('Review')}:</label>
             </div>
             <div class="input">
               %if c.pull_request_review_status:
                 <div class="${'flag_status %s' % c.pull_request_review_status} tooltip pull-left"></div>
                 <span class="changeset-status-lbl tooltip">
                   %if c.pull_request.is_closed():
                       ${_('Closed')},
                   %endif
                   ${h.commit_status_lbl(c.pull_request_review_status)}
                 </span>
                 - ${_ungettext('calculated based on %s reviewer vote', 'calculated based on %s reviewers votes', len(c.pull_request_reviewers)) % len(c.pull_request_reviewers)}
               %endif
             </div>
            </div>
            <div class="field">
             <div class="pr-description-label label-summary" title="${_('Rendered using {} renderer').format(c.renderer)}">
                 <label>${_('Description')}:</label>
             </div>
             <div id="pr-desc" class="input">
                 <div class="pr-description">${h.render(c.pull_request.description, renderer=c.renderer)}</div>
             </div>
             <div id="pr-desc-edit" class="input textarea editor" style="display: none;">
                 <input id="pr-renderer-input" type="hidden" name="description_renderer" value="${c.visual.default_renderer}">
                 ${dt.markup_form('pr-description-input', form_text=c.pull_request.description)}
             </div>
            </div>
 
            <div class="field">
                <div class="label-summary">
                    <label>${_('Versions')}:</label>
                </div>
 
                <% outdated_comm_count_ver = len(c.inline_versions[None]['outdated']) %>
                <% general_outdated_comm_count_ver = len(c.comment_versions[None]['outdated']) %>
 
                <div class="pr-versions">
                % if c.show_version_changes:
                    <% outdated_comm_count_ver = len(c.inline_versions[c.at_version_num]['outdated']) %>
                    <% general_outdated_comm_count_ver = len(c.comment_versions[c.at_version_num]['outdated']) %>
                    <a id="show-pr-versions" class="input" onclick="return versionController.toggleVersionView(this)" href="#show-pr-versions"
                         data-toggle-on="${_ungettext('{} version available for this pull request, show it.', '{} versions available for this pull request, show them.', len(c.versions)).format(len(c.versions))}"
                         data-toggle-off="${_('Hide all versions of this pull request')}">
                        ${_ungettext('{} version available for this pull request, show it.', '{} versions available for this pull request, show them.', len(c.versions)).format(len(c.versions))}
                    </a>
                    <table>
                        ## SHOW ALL VERSIONS OF PR
                        <% ver_pr = None %>
 
                        % for data in reversed(list(enumerate(c.versions, 1))):
                            <% ver_pos = data[0] %>
                            <% ver = data[1] %>
                            <% ver_pr = ver.pull_request_version_id %>
                            <% display_row = '' if c.at_version and (c.at_version_num == ver_pr or c.from_version_num == ver_pr) else 'none' %>
 
                            <tr class="version-pr" style="display: ${display_row}">
                                <td>
                                     <code>
                                         <a href="${request.current_route_path(_query=dict(version=ver_pr or 'latest'))}">v${ver_pos}</a>
                                     </code>
                                </td>
                                <td>
                                    <input ${'checked="checked"' if c.from_version_num == ver_pr else ''} class="compare-radio-button" type="radio" name="ver_source" value="${ver_pr or 'latest'}" data-ver-pos="${ver_pos}"/>
                                    <input ${'checked="checked"' if c.at_version_num == ver_pr else ''} class="compare-radio-button" type="radio" name="ver_target" value="${ver_pr or 'latest'}" data-ver-pos="${ver_pos}"/>
                                </td>
                                <td>
                                 <% review_status = c.review_versions[ver_pr].status if ver_pr in c.review_versions else 'not_reviewed' %>
                                 <div class="${'flag_status %s' % review_status} tooltip pull-left" title="${_('Your review status at this version')}">
                                 </div>
                                </td>
                                <td>
                                    % if c.at_version_num != ver_pr:
                                     <i class="icon-comment"></i>
                                        <code class="tooltip" title="${_('Comment from pull request version v{0}, general:{1} inline:{2}').format(ver_pos, len(c.comment_versions[ver_pr]['at']), len(c.inline_versions[ver_pr]['at']))}">
                                            G:${len(c.comment_versions[ver_pr]['at'])} / I:${len(c.inline_versions[ver_pr]['at'])}
                                        </code>
                                    % endif
                                </td>
                                <td>
                                    ##<code>${ver.source_ref_parts.commit_id[:6]}</code>
                                </td>
                                <td>
                                    ${h.age_component(ver.updated_on, time_is_local=True)}
                                </td>
                            </tr>
                        % endfor
 
                        <tr>
                            <td colspan="6">
                                <button id="show-version-diff" onclick="return versionController.showVersionDiff()" class="btn btn-sm" style="display: none"
                                        data-label-text-locked="${_('select versions to show changes')}"
                                        data-label-text-diff="${_('show changes between versions')}"
                                        data-label-text-show="${_('show pull request for this version')}"
                                >
                                    ${_('select versions to show changes')}
                                </button>
                            </td>
                        </tr>
 
                        ## show comment/inline comments summary
                        <%def name="comments_summary()">
                        <tr>
                            <td colspan="6" class="comments-summary-td">
 
                             % if c.at_version:
                                 <% inline_comm_count_ver = len(c.inline_versions[c.at_version_num]['display']) %>
                                 <% general_comm_count_ver = len(c.comment_versions[c.at_version_num]['display']) %>
                                 ${_('Comments at this version')}:
                             % else:
                                 <% inline_comm_count_ver = len(c.inline_versions[c.at_version_num]['until']) %>
                                 <% general_comm_count_ver = len(c.comment_versions[c.at_version_num]['until']) %>
                                 ${_('Comments for this pull request')}:
                             % endif
 
 
                             %if general_comm_count_ver:
                                 <a href="#comments">${_("%d General ") % general_comm_count_ver}</a>
                             %else:
                                 ${_("%d General ") % general_comm_count_ver}
                             %endif
 
                             %if inline_comm_count_ver:
                                , <a href="#" onclick="return Rhodecode.comments.nextComment();" id="inline-comments-counter">${_("%d Inline") % inline_comm_count_ver}</a>
                             %else:
                                , ${_("%d Inline") % inline_comm_count_ver}
                             %endif
 
                             %if outdated_comm_count_ver:
                               , <a href="#" onclick="showOutdated(); Rhodecode.comments.nextOutdatedComment(); return false;">${_("%d Outdated") % outdated_comm_count_ver}</a>
                                 <a href="#" class="showOutdatedComments" onclick="showOutdated(this); return false;"> | ${_('show outdated comments')}</a>
                                 <a href="#" class="hideOutdatedComments" style="display: none" onclick="hideOutdated(this); return false;"> | ${_('hide outdated comments')}</a>
                             %else:
                               , ${_("%d Outdated") % outdated_comm_count_ver}
                             %endif
                            </td>
                        </tr>
                        </%def>
                        ${comments_summary()}
                    </table>
                % else:
                    <div class="input">
                    ${_('Pull request versions not available')}.
                    </div>
                    <div>
                       <table>
                         ${comments_summary()}
                       </table>
                    </div>
                % endif
                </div>
            </div>
 
            <div id="pr-save" class="field" style="display: none;">
             <div class="label-summary"></div>
             <div class="input">
               <span id="edit_pull_request" class="btn btn-small no-margin">${_('Save Changes')}</span>
             </div>
            </div>
         </div>
       </div>
       <div>
         ## AUTHOR
         <div class="reviewers-title block-right">
           <div class="pr-details-title">
               ${_('Author of this pull request')}
           </div>
         </div>
         <div class="block-right pr-details-content reviewers">
             <ul class="group_members">
               <li>
                 ${self.gravatar_with_user(c.pull_request.author.email, 16)}
               </li>
             </ul>
         </div>
 
         ## REVIEW RULES
         <div id="review_rules" style="display: none" class="reviewers-title block-right">
             <div class="pr-details-title">
                 ${_('Reviewer rules')}
               %if c.allowed_to_update:
                 <span id="close_edit_reviewers" class="block-right action_button last-item" style="display: none;">${_('Close')}</span>
               %endif
             </div>
             <div class="pr-reviewer-rules">
                 ## review rules will be appended here, by default reviewers logic
             </div>
             <input id="review_data" type="hidden" name="review_data" value="">
         </div>
 
         ## REVIEWERS
         <div class="reviewers-title block-right">
           <div class="pr-details-title">
               ${_('Pull request reviewers')}
               %if c.allowed_to_update:
                 <span id="open_edit_reviewers" class="block-right action_button last-item">${_('Edit')}</span>
               %endif
           </div>
         </div>
         <div id="reviewers" class="block-right pr-details-content reviewers">
 
             ## members redering block
             <input type="hidden" name="__start__" value="review_members:sequence">
             <ul id="review_members" class="group_members">
 
             % for review_obj, member, reasons, mandatory, status in c.pull_request_reviewers:
                 <script>
                     var member = ${h.json.dumps(h.reviewer_as_json(member, reasons=reasons, mandatory=mandatory, user_group=review_obj.rule_user_group_data()))|n};
                     var status = "${(status[0][1].status if status else 'not_reviewed')}";
                     var status_lbl = "${h.commit_status_lbl(status[0][1].status if status else 'not_reviewed')}";
                     var allowed_to_update = ${h.json.dumps(c.allowed_to_update)};
 
                     var entry = renderTemplate('reviewMemberEntry', {
                         'member': member,
                         'mandatory': member.mandatory,
                         'reasons': member.reasons,
                         'allowed_to_update': allowed_to_update,
                         'review_status': status,
                         'review_status_label': status_lbl,
                         'user_group': member.user_group,
                         'create': false
                     });
                     $('#review_members').append(entry)
                 </script>
 
             % endfor
 
             </ul>
             <input type="hidden" name="__end__" value="review_members:sequence">
             ## end members redering block
 
             %if not c.pull_request.is_closed():
                 <div id="add_reviewer" class="ac" style="display: none;">
                 %if c.allowed_to_update:
                     % if not c.forbid_adding_reviewers:
                         <div id="add_reviewer_input" class="reviewer_ac">
                            ${h.text('user', class_='ac-input', placeholder=_('Add reviewer or reviewer group'))}
                            <div id="reviewers_container"></div>
                         </div>
                     % endif
                     <div class="pull-right">
                         <button id="update_pull_request" class="btn btn-small no-margin">${_('Save Changes')}</button>
                     </div>
                 %endif
                 </div>
             %endif
         </div>
       </div>
   </div>
   <div class="box">
       ##DIFF
       <div class="table" >
           <div id="changeset_compare_view_content">
               ##CS
               % if c.missing_requirements:
                 <div class="box">
                   <div class="alert alert-warning">
                     <div>
                       <strong>${_('Missing requirements:')}</strong>
                       ${_('These commits cannot be displayed, because this repository uses the Mercurial largefiles extension, which was not enabled.')}
                     </div>
                   </div>
                 </div>
               % elif c.missing_commits:
                 <div class="box">
                   <div class="alert alert-warning">
                     <div>
                       <strong>${_('Missing commits')}:</strong>
                         ${_('This pull request cannot be displayed, because one or more commits no longer exist in the source repository.')}
                         ${_('Please update this pull request, push the commits back into the source repository, or consider closing this pull request.')}
                         ${_('Consider doing a {force_refresh_url} in case you think this is an error.').format(force_refresh_url=h.link_to('force refresh', h.current_route_path(request, force_refresh='1')))|n}
                     </div>
                   </div>
                 </div>
               % endif
 
               <div class="compare_view_commits_title">
                   % if not c.compare_mode:
 
                     % if c.at_version_pos:
                         <h4>
                         ${_('Showing changes at v%d, commenting is disabled.') % c.at_version_pos}
                         </h4>
                     % endif
 
                     <div class="pull-left">
                       <div class="btn-group">
                           <a
                               class="btn"
                               href="#"
                               onclick="$('.compare_select').show();$('.compare_select_hidden').hide(); return false">
                               ${_ungettext('Expand %s commit','Expand %s commits', len(c.commit_ranges)) % len(c.commit_ranges)}
                           </a>
                           <a
                               class="btn"
                               href="#"
                               onclick="$('.compare_select').hide();$('.compare_select_hidden').show(); return false">
                               ${_ungettext('Collapse %s commit','Collapse %s commits', len(c.commit_ranges)) % len(c.commit_ranges)}
                           </a>
-                          <%
-                          range_commit_id = '{}...{}'.format(c.commit_ranges[-1].raw_id, c.commit_ranges[0].raw_id)
-                          %>
-                          <a
-                              class="btn"
-                              href="${request.route_path('repo_commit', repo_name=c.source_repo.repo_name, commit_id=range_commit_id)}"
-                              >
-                              ${_('Show range diff')}
-                          </a>
-
                       </div>
                     </div>
 
                     <div class="pull-right">
                         % if c.allowed_to_update and not c.pull_request.is_closed():
                           <a id="update_commits" class="btn btn-primary no-margin pull-right">${_('Update commits')}</a>
                         % else:
                           <a class="tooltip btn disabled pull-right" disabled="disabled" title="${_('Update is disabled for current view')}">${_('Update commits')}</a>
                         % endif
 
                     </div>
                   % endif
               </div>
 
               % if not c.missing_commits:
                 % if c.compare_mode:
                     % if c.at_version:
                     <h4>
                         ${_('Commits and changes between v{ver_from} and {ver_to} of this pull request, commenting is disabled').format(ver_from=c.from_version_pos, ver_to=c.at_version_pos if c.at_version_pos else 'latest')}:
                     </h4>
 
                     <div class="subtitle-compare">
                         ${_('commits added: {}, removed: {}').format(len(c.commit_changes_summary.added), len(c.commit_changes_summary.removed))}
                     </div>
 
                     <div class="container">
                         <table class="rctable compare_view_commits">
                             <tr>
                                 <th></th>
                                 <th>${_('Time')}</th>
                                 <th>${_('Author')}</th>
                                 <th>${_('Commit')}</th>
                                 <th></th>
                                 <th>${_('Description')}</th>
                             </tr>
 
                             % for c_type, commit in c.commit_changes:
                               % if c_type in ['a', 'r']:
                                 <%
                                     if c_type == 'a':
                                         cc_title = _('Commit added in displayed changes')
                                     elif c_type == 'r':
                                         cc_title = _('Commit removed in displayed changes')
                                     else:
                                         cc_title = ''
                                 %>
                                 <tr id="row-${commit.raw_id}" commit_id="${commit.raw_id}" class="compare_select">
                                 <td>
                                     <div class="commit-change-indicator color-${c_type}-border">
                                       <div class="commit-change-content color-${c_type} tooltip" title="${h.tooltip(cc_title)}">
                                         ${c_type.upper()}
                                       </div>
                                     </div>
                                 </td>
                                 <td class="td-time">
                                     ${h.age_component(commit.date)}
                                 </td>
                                 <td class="td-user">
                                     ${base.gravatar_with_user(commit.author, 16)}
                                 </td>
                                 <td class="td-hash">
                                     <code>
                                         <a href="${h.route_path('repo_commit', repo_name=c.target_repo.repo_name, commit_id=commit.raw_id)}">
                                             r${commit.idx}:${h.short_id(commit.raw_id)}
                                         </a>
                                         ${h.hidden('revisions', commit.raw_id)}
                                     </code>
                                 </td>
                                 <td class="expand_commit" data-commit-id="${commit.raw_id}" title="${_( 'Expand commit message')}">
                                     <div class="show_more_col">
                                     <i class="show_more"></i>
                                     </div>
                                 </td>
                                 <td class="mid td-description">
                                     <div class="log-container truncate-wrap">
                                         <div class="message truncate" id="c-${commit.raw_id}" data-message-raw="${commit.message}">
                                             ${h.urlify_commit_message(commit.message, c.repo_name)}
                                         </div>
                                     </div>
                                 </td>
                             </tr>
                               % endif
                             % endfor
                         </table>
                     </div>
 
                     <script>
                     $('.expand_commit').on('click',function(e){
                       var target_expand = $(this);
                       var cid = target_expand.data('commitId');
 
                       if (target_expand.hasClass('open')){
                         $('#c-'+cid).css({
                             'height': '1.5em',
                             'white-space': 'nowrap',
                             'text-overflow': 'ellipsis',
                             'overflow':'hidden'
                         });
                         target_expand.removeClass('open');
                       }
                       else {
                         $('#c-'+cid).css({
                             'height': 'auto',
                             'white-space': 'pre-line',
                             'text-overflow': 'initial',
                             'overflow':'visible'
                         });
                         target_expand.addClass('open');
                       }
                     });
                     </script>
 
                     % endif
 
                 % else:
                     <%include file="/compare/compare_commits.mako" />
                 % endif
 
                 <div class="cs_files">
                     <%namespace name="cbdiffs" file="/codeblocks/diffs.mako"/>
-                    ${cbdiffs.render_diffset_menu(c.diffset)}
+
+                    ${cbdiffs.render_diffset_menu(c.diffset, range_diff_on=c.range_diff_on)}
+
+                    % if c.range_diff_on:
+                        % for commit in c.commit_ranges:
+                            ${cbdiffs.render_diffset(
+                              c.changes[commit.raw_id],
+                              commit=commit, use_comments=True,
+                              collapse_when_files_over=5,
+                              disable_new_comments=True,
+                              deleted_files_comments=c.deleted_files_comments,
+                              inline_comments=c.inline_comments)}
+                        % endfor
+                    % else:
                     ${cbdiffs.render_diffset(
                       c.diffset, use_comments=True,
                       collapse_when_files_over=30,
                       disable_new_comments=not c.allowed_to_comment,
                       deleted_files_comments=c.deleted_files_comments,
                       inline_comments=c.inline_comments)}
+                    % endif
+
                 </div>
               % else:
                   ## skipping commits we need to clear the view for missing commits
                   <div style="clear:both;"></div>
               % endif
 
           </div>
       </div>
 
       ## template for inline comment form
       <%namespace name="comment" file="/changeset/changeset_file_comment.mako"/>
 
       ## render general comments
 
       <div id="comment-tr-show">
           <div class="comment">
             % if general_outdated_comm_count_ver:
             <div class="meta">
                 % if general_outdated_comm_count_ver == 1:
                     ${_('there is {num} general comment from older versions').format(num=general_outdated_comm_count_ver)},
                     <a href="#show-hidden-comments" onclick="$('.comment-general.comment-outdated').show(); $(this).parent().hide(); return false;">${_('show it')}</a>
                 % else:
                     ${_('there are {num} general comments from older versions').format(num=general_outdated_comm_count_ver)},
                     <a href="#show-hidden-comments" onclick="$('.comment-general.comment-outdated').show(); $(this).parent().hide(); return false;">${_('show them')}</a>
                 % endif
             </div>
             % endif
           </div>
       </div>
 
       ${comment.generate_comments(c.comments, include_pull_request=True, is_pull_request=True)}
 
       % if not c.pull_request.is_closed():
         ## merge status, and merge action
         <div class="pull-request-merge">
             <%include file="/pullrequests/pullrequest_merge_checks.mako"/>
         </div>
 
         ## main comment form and it status
         ${comment.comments(h.route_path('pullrequest_comment_create', repo_name=c.repo_name,
                                         pull_request_id=c.pull_request.pull_request_id),
                            c.pull_request_review_status,
                            is_pull_request=True, change_status=c.allowed_to_change_status)}
       %endif
 
       <script type="text/javascript">
         if (location.hash) {
           var result = splitDelimitedHash(location.hash);
             var line = $('html').find(result.loc);
             // show hidden comments if we use location.hash
             if (line.hasClass('comment-general')) {
                 $(line).show();
             } else if (line.hasClass('comment-inline')) {
                 $(line).show();
                 var $cb = $(line).closest('.cb');
                 $cb.removeClass('cb-collapsed')
             }
             if (line.length > 0){
                 offsetScroll(line, 70);
             }
         }
 
         versionController = new VersionController();
         versionController.init();
 
         reviewersController = new ReviewersController();
 
         $(function(){
 
             // custom code mirror
             var codeMirrorInstance = $('#pr-description-input').get(0).MarkupForm.cm;
 
             var PRDetails = {
               editButton: $('#open_edit_pullrequest'),
               closeButton: $('#close_edit_pullrequest'),
               deleteButton: $('#delete_pullrequest'),
               viewFields: $('#pr-desc, #pr-title'),
               editFields: $('#pr-desc-edit, #pr-title-edit, #pr-save'),
 
               init: function() {
                 var that = this;
                 this.editButton.on('click', function(e) { that.edit(); });
                 this.closeButton.on('click', function(e) { that.view(); });
               },
 
               edit: function(event) {
                 this.viewFields.hide();
                 this.editButton.hide();
                 this.deleteButton.hide();
                 this.closeButton.show();
                 this.editFields.show();
                 codeMirrorInstance.refresh();
               },
 
               view: function(event) {
                 this.editButton.show();
                 this.deleteButton.show();
                 this.editFields.hide();
                 this.closeButton.hide();
                 this.viewFields.show();
               }
             };
 
             var ReviewersPanel = {
               editButton: $('#open_edit_reviewers'),
               closeButton: $('#close_edit_reviewers'),
               addButton: $('#add_reviewer'),
               removeButtons: $('.reviewer_member_remove,.reviewer_member_mandatory_remove'),
 
               init: function() {
                 var self = this;
                 this.editButton.on('click', function(e) { self.edit(); });
                 this.closeButton.on('click', function(e) { self.close(); });
               },
 
               edit: function(event) {
                 this.editButton.hide();
                 this.closeButton.show();
                 this.addButton.show();
                 this.removeButtons.css('visibility', 'visible');
                 // review rules
                 reviewersController.loadReviewRules(
                     ${c.pull_request.reviewer_data_json | n});
               },
 
               close: function(event) {
                 this.editButton.show();
                 this.closeButton.hide();
                 this.addButton.hide();
                 this.removeButtons.css('visibility', 'hidden');
                 // hide review rules
                 reviewersController.hideReviewRules()
               }
             };
 
             PRDetails.init();
             ReviewersPanel.init();
 
             showOutdated = function(self){
                 $('.comment-inline.comment-outdated').show();
                 $('.filediff-outdated').show();
                 $('.showOutdatedComments').hide();
                 $('.hideOutdatedComments').show();
             };
 
             hideOutdated = function(self){
                 $('.comment-inline.comment-outdated').hide();
                 $('.filediff-outdated').hide();
                 $('.hideOutdatedComments').hide();
                 $('.showOutdatedComments').show();
             };
 
             refreshMergeChecks = function(){
                 var loadUrl = "${request.current_route_path(_query=dict(merge_checks=1))}";
                 $('.pull-request-merge').css('opacity', 0.3);
                 $('.action-buttons-extra').css('opacity', 0.3);
 
                 $('.pull-request-merge').load(
                     loadUrl, function() {
                         $('.pull-request-merge').css('opacity', 1);
 
                         $('.action-buttons-extra').css('opacity', 1);
                         injectCloseAction();
                     }
                 );
             };
 
             injectCloseAction =  function() {
                 var closeAction = $('#close-pull-request-action').html();
                 var $actionButtons = $('.action-buttons-extra');
                 // clear the action before
                 $actionButtons.html("");
                 $actionButtons.html(closeAction);
             };
 
             closePullRequest = function (status) {
                 // inject closing flag
                 $('.action-buttons-extra').append('<input type="hidden" class="close-pr-input" id="close_pull_request" value="1">');
                 $(generalCommentForm.statusChange).select2("val", status).trigger('change');
                 $(generalCommentForm.submitForm).submit();
             };
 
             $('#show-outdated-comments').on('click', function(e){
                 var button = $(this);
                 var outdated = $('.comment-outdated');
 
                 if (button.html() === "(Show)") {
                   button.html("(Hide)");
                   outdated.show();
                 } else {
                   button.html("(Show)");
                   outdated.hide();
                 }
             });
 
             $('.show-inline-comments').on('change', function(e){
                 var show = 'none';
                 var target = e.currentTarget;
                 if(target.checked){
                     show = ''
                 }
                 var boxid = $(target).attr('id_for');
                 var comments = $('#{0} .inline-comments'.format(boxid));
                 var fn_display = function(idx){
                    $(this).css('display', show);
                 };
                 $(comments).each(fn_display);
                 var btns = $('#{0} .inline-comments-button'.format(boxid));
                 $(btns).each(fn_display);
             });
 
             $('#merge_pull_request_form').submit(function() {
                 if (!$('#merge_pull_request').attr('disabled')) {
                     $('#merge_pull_request').attr('disabled', 'disabled');
                 }
                 return true;
             });
 
             $('#edit_pull_request').on('click', function(e){
                 var title = $('#pr-title-input').val();
                 var description = codeMirrorInstance.getValue();
                 var renderer = $('#pr-renderer-input').val();
                 editPullRequest(
                     "${c.repo_name}", "${c.pull_request.pull_request_id}",
                     title, description, renderer);
             });
 
             $('#update_pull_request').on('click', function(e){
                 $(this).attr('disabled', 'disabled');
                 $(this).addClass('disabled');
                 $(this).html(_gettext('Saving...'));
                 reviewersController.updateReviewers(
                     "${c.repo_name}", "${c.pull_request.pull_request_id}");
             });
 
             $('#update_commits').on('click', function(e){
                 var isDisabled = !$(e.currentTarget).attr('disabled');
                 $(e.currentTarget).attr('disabled', 'disabled');
                 $(e.currentTarget).addClass('disabled');
                 $(e.currentTarget).removeClass('btn-primary');
                 $(e.currentTarget).text(_gettext('Updating...'));
                 if(isDisabled){
                     updateCommits(
                         "${c.repo_name}", "${c.pull_request.pull_request_id}");
                 }
             });
             // fixing issue with caches on firefox
             $('#update_commits').removeAttr("disabled");
 
             $('.show-inline-comments').on('click', function(e){
                 var boxid = $(this).attr('data-comment-id');
                 var button = $(this);
 
                 if(button.hasClass("comments-visible")) {
                   $('#{0} .inline-comments'.format(boxid)).each(function(index){
                     $(this).hide();
                   });
                   button.removeClass("comments-visible");
                 } else {
                   $('#{0} .inline-comments'.format(boxid)).each(function(index){
                     $(this).show();
                   });
                   button.addClass("comments-visible");
                 }
             });
 
             // register submit callback on commentForm form to track TODOs
             window.commentFormGlobalSubmitSuccessCallback = function(){
                 refreshMergeChecks();
             };
             // initial injection
             injectCloseAction();
 
             ReviewerAutoComplete('#user');
 
         })
       </script>
 
   </div>
 </div>
 
 </%def>