Improved cross repos diffs

- added logging
- fixed branch issues and empty bundle case

rhodecode/controllers/compare.py

@@ -1,159 +1,170 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.controllers.compare
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     compare controller for pylons showoing differences between two
     repos, branches, bookmarks or tips
 
     :created_on: May 6, 2012
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # 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 General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import logging
 import traceback
 import binascii
 
 from webob.exc import HTTPNotFound
 from pylons import request, response, session, tmpl_context as c, url
 from pylons.controllers.util import abort, redirect
 
 from rhodecode.lib import helpers as h
 from rhodecode.lib.base import BaseRepoController, render
 from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 from rhodecode.lib import diffs
 
 from rhodecode.model.db import Repository
 
 log = logging.getLogger(__name__)
 
 
 class CompareController(BaseRepoController):
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     def __before__(self):
         super(CompareController, self).__before__()
 
     def _handle_ref(self, ref):
         """
         Parse the org...other string
         Possible formats are 
             `(branch|book|tag):<name>...(branch|book|tag):<othername>`
 
         :param ref: <orginal_reference>...<other_reference>
         :type ref: str
         """
-        org_repo = c.rhodecode_repo.name
+        org_repo = c.rhodecode_db_repo.repo_name
 
         def org_parser(org):
             _repo = org_repo
             name, val = org.split(':')
             return _repo, (name, val)
 
         def other_parser(other):
             _other_repo = request.GET.get('repo')
             _repo = org_repo
             name, val = other.split(':')
             if _other_repo:
-                #TODO: do an actual repo loookup within rhodecode
                 _repo = _other_repo
 
             return _repo, (name, val)
 
         if '...' in ref:
             try:
                 org, other = ref.split('...')
                 org_repo, org_ref = org_parser(org)
                 other_repo, other_ref = other_parser(other)
                 return org_repo, org_ref, other_repo, other_ref
             except:
                 log.error(traceback.format_exc())
 
         raise HTTPNotFound
 
-    def _get_discovery(self,org_repo, org_ref, other_repo, other_ref):
+    def _get_discovery(self, org_repo, org_ref, other_repo, other_ref):
         from mercurial import discovery
         other = org_repo._repo
         repo = other_repo._repo
+        tip = other[org_ref[1]]
+        log.debug('Doing discovery for %s@%s vs %s@%s' % (
+                        org_repo, org_ref, other_repo, other_ref)
+        )
+        log.debug('Filter heads are %s[%s]' % (tip, org_ref[1]))
         tmp = discovery.findcommonincoming(
                   repo=repo,  # other_repo we check for incoming
                   remote=other,  # org_repo source for incoming
-                  heads=[other[org_ref[1]].node()],
+                  heads=[tip.node()],
                   force=False
         )
         return tmp
 
     def _get_changesets(self, org_repo, org_ref, other_repo, other_ref, tmp):
         changesets = []
         #case two independent repos
         if org_repo != other_repo:
             common, incoming, rheads = tmp
 
             if not incoming:
                 revs = []
             else:
                 revs = org_repo._repo.changelog.findmissing(common, rheads)
 
             for cs in reversed(map(binascii.hexlify, revs)):
                 changesets.append(org_repo.get_changeset(cs))
         else:
             revs = ['ancestors(%s) and not ancestors(%s)' % (org_ref[1],
                                                              other_ref[1])]
             from mercurial import scmutil
             out = scmutil.revrange(org_repo._repo, revs)
             for cs in reversed(out):
                 changesets.append(org_repo.get_changeset(cs))
 
         return changesets
 
     def index(self, ref):
         org_repo, org_ref, other_repo, other_ref = self._handle_ref(ref)
+
         c.swap_url = h.url('compare_home', repo_name=other_repo,
                            ref='%s...%s' % (':'.join(other_ref),
                                             ':'.join(org_ref)),
                            repo=org_repo)
         c.org_repo = org_repo = Repository.get_by_repo_name(org_repo)
         c.other_repo = other_repo = Repository.get_by_repo_name(other_repo)
-        tmp = self._get_discovery(org_repo.scm_instance,
+
+        if c.org_repo is None or c.other_repo is None:
+            log.error('Could not found repo %s or %s' % (org_repo, other_repo))
+            raise HTTPNotFound
+
+        discovery_data = self._get_discovery(org_repo.scm_instance,
                                            org_ref,
                                            other_repo.scm_instance,
                                            other_ref)
         c.cs_ranges = self._get_changesets(org_repo.scm_instance,
                                            org_ref,
                                            other_repo.scm_instance,
                                            other_ref,
-                                           tmp)
+                                           discovery_data)
 
         c.org_ref = org_ref[1]
         c.other_ref = other_ref[1]
         # diff needs to have swapped org with other to generate proper diff
-        _diff = diffs.differ(other_repo, other_ref, org_repo, org_ref, tmp)
+        _diff = diffs.differ(other_repo, other_ref, org_repo, org_ref,
+                             discovery_data)
         diff_processor = diffs.DiffProcessor(_diff, format='gitdiff')
         _parsed = diff_processor.prepare()
 
         c.files = []
         c.changes = {}
         # sort Added first then Modified last Deleted files
         sorter = lambda info: {'A': 0, 'M': 1, 'D': 2}.get(info['operation'])
         for f in sorted(_parsed, key=sorter):
             fid = h.FID('', f['filename'])
             c.files.append([fid, f['operation'], f['filename'], f['stats']])
             diff = diff_processor.as_html(enable_comments=False, diff_lines=[f])
             c.changes[fid] = [f['operation'], f['filename'], diff]
 
         return render('compare/compare_diff.html')

rhodecode/lib/diffs.py

@@ -1,614 +1,615 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.diffs
     ~~~~~~~~~~~~~~~~~~~
 
     Set of diffing helpers, previously part of vcs
 
 
     :created_on: Dec 4, 2011
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :original copyright: 2007-2008 by Armin Ronacher
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # 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 General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import re
 import io
 import difflib
 import markupsafe
 
 from itertools import tee, imap
 
 from mercurial import patch
 from mercurial.mdiff import diffopts
 from mercurial.bundlerepo import bundlerepository
 from mercurial import localrepo
 
 from pylons.i18n.translation import _
 
 from rhodecode.lib.vcs.exceptions import VCSError
 from rhodecode.lib.vcs.nodes import FileNode, SubModuleNode
 from rhodecode.lib.helpers import escape
 from rhodecode.lib.utils import EmptyChangeset, make_ui
 
 
 def wrap_to_table(str_):
     return '''<table class="code-difftable">
                 <tr class="line no-comment">
                 <td class="lineno new"></td>
                 <td class="code no-comment"><pre>%s</pre></td>
                 </tr>
               </table>''' % str_
 
 
 def wrapped_diff(filenode_old, filenode_new, cut_off_limit=None,
                 ignore_whitespace=True, line_context=3,
                 enable_comments=False):
     """
     returns a wrapped diff into a table, checks for cut_off_limit and presents
     proper message
     """
 
     if filenode_old is None:
         filenode_old = FileNode(filenode_new.path, '', EmptyChangeset())
 
     if filenode_old.is_binary or filenode_new.is_binary:
         diff = wrap_to_table(_('binary file'))
         stats = (0, 0)
         size = 0
 
     elif cut_off_limit != -1 and (cut_off_limit is None or
     (filenode_old.size < cut_off_limit and filenode_new.size < cut_off_limit)):
 
         f_gitdiff = get_gitdiff(filenode_old, filenode_new,
                                 ignore_whitespace=ignore_whitespace,
                                 context=line_context)
         diff_processor = DiffProcessor(f_gitdiff, format='gitdiff')
 
         diff = diff_processor.as_html(enable_comments=enable_comments)
         stats = diff_processor.stat()
         size = len(diff or '')
     else:
         diff = wrap_to_table(_('Changeset was too big and was cut off, use '
                                'diff menu to display this diff'))
         stats = (0, 0)
         size = 0
     if not diff:
         submodules = filter(lambda o: isinstance(o, SubModuleNode),
                             [filenode_new, filenode_old])
         if submodules:
             diff = wrap_to_table(escape('Submodule %r' % submodules[0]))
         else:
             diff = wrap_to_table(_('No changes detected'))
 
     cs1 = filenode_old.changeset.raw_id
     cs2 = filenode_new.changeset.raw_id
 
     return size, cs1, cs2, diff, stats
 
 
 def get_gitdiff(filenode_old, filenode_new, ignore_whitespace=True, context=3):
     """
     Returns git style diff between given ``filenode_old`` and ``filenode_new``.
 
     :param ignore_whitespace: ignore whitespaces in diff
     """
     # make sure we pass in default context
     context = context or 3
     submodules = filter(lambda o: isinstance(o, SubModuleNode),
                         [filenode_new, filenode_old])
     if submodules:
         return ''
 
     for filenode in (filenode_old, filenode_new):
         if not isinstance(filenode, FileNode):
             raise VCSError("Given object should be FileNode object, not %s"
                 % filenode.__class__)
 
     repo = filenode_new.changeset.repository
     old_raw_id = getattr(filenode_old.changeset, 'raw_id', repo.EMPTY_CHANGESET)
     new_raw_id = getattr(filenode_new.changeset, 'raw_id', repo.EMPTY_CHANGESET)
 
     vcs_gitdiff = repo.get_diff(old_raw_id, new_raw_id, filenode_new.path,
                                  ignore_whitespace, context)
     return vcs_gitdiff
 
 
 class DiffProcessor(object):
     """
     Give it a unified diff and it returns a list of the files that were
     mentioned in the diff together with a dict of meta information that
     can be used to render it in a HTML template.
     """
     _chunk_re = re.compile(r'@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@(.*)')
 
     def __init__(self, diff, differ='diff', format='udiff'):
         """
         :param diff:   a text in diff format or generator
         :param format: format of diff passed, `udiff` or `gitdiff`
         """
         if isinstance(diff, basestring):
             diff = [diff]
 
         self.__udiff = diff
         self.__format = format
         self.adds = 0
         self.removes = 0
 
         if isinstance(self.__udiff, basestring):
             self.lines = iter(self.__udiff.splitlines(1))
 
         elif self.__format == 'gitdiff':
             udiff_copy = self.copy_iterator()
             self.lines = imap(self.escaper, self._parse_gitdiff(udiff_copy))
         else:
             udiff_copy = self.copy_iterator()
             self.lines = imap(self.escaper, udiff_copy)
 
         # Select a differ.
         if differ == 'difflib':
             self.differ = self._highlight_line_difflib
         else:
             self.differ = self._highlight_line_udiff
 
     def escaper(self, string):
         return markupsafe.escape(string)
 
     def copy_iterator(self):
         """
         make a fresh copy of generator, we should not iterate thru
         an original as it's needed for repeating operations on
         this instance of DiffProcessor
         """
         self.__udiff, iterator_copy = tee(self.__udiff)
         return iterator_copy
 
     def _extract_rev(self, line1, line2):
         """
         Extract the operation (A/M/D), filename and revision hint from a line.
         """
 
         try:
             if line1.startswith('--- ') and line2.startswith('+++ '):
                 l1 = line1[4:].split(None, 1)
                 old_filename = (l1[0].replace('a/', '', 1)
                                 if len(l1) >= 1 else None)
                 old_rev = l1[1] if len(l1) == 2 else 'old'
 
                 l2 = line2[4:].split(None, 1)
                 new_filename = (l2[0].replace('b/', '', 1)
                                 if len(l1) >= 1 else None)
                 new_rev = l2[1] if len(l2) == 2 else 'new'
 
                 filename = (old_filename
                             if old_filename != '/dev/null' else new_filename)
 
                 operation = 'D' if new_filename == '/dev/null' else None
                 if not operation:
                     operation = 'M' if old_filename != '/dev/null' else 'A'
 
                 return operation, filename, new_rev, old_rev
         except (ValueError, IndexError):
             pass
 
         return None, None, None, None
 
     def _parse_gitdiff(self, diffiterator):
         def line_decoder(l):
             if l.startswith('+') and not l.startswith('+++'):
                 self.adds += 1
             elif l.startswith('-') and not l.startswith('---'):
                 self.removes += 1
             return l.decode('utf8', 'replace')
 
         output = list(diffiterator)
         size = len(output)
 
         if size == 2:
             l = []
             l.extend([output[0]])
             l.extend(output[1].splitlines(1))
             return map(line_decoder, l)
         elif size == 1:
             return  map(line_decoder, output[0].splitlines(1))
         elif size == 0:
             return []
 
         raise Exception('wrong size of diff %s' % size)
 
     def _highlight_line_difflib(self, line, next_):
         """
         Highlight inline changes in both lines.
         """
 
         if line['action'] == 'del':
             old, new = line, next_
         else:
             old, new = next_, line
 
         oldwords = re.split(r'(\W)', old['line'])
         newwords = re.split(r'(\W)', new['line'])
 
         sequence = difflib.SequenceMatcher(None, oldwords, newwords)
 
         oldfragments, newfragments = [], []
         for tag, i1, i2, j1, j2 in sequence.get_opcodes():
             oldfrag = ''.join(oldwords[i1:i2])
             newfrag = ''.join(newwords[j1:j2])
             if tag != 'equal':
                 if oldfrag:
                     oldfrag = '<del>%s</del>' % oldfrag
                 if newfrag:
                     newfrag = '<ins>%s</ins>' % newfrag
             oldfragments.append(oldfrag)
             newfragments.append(newfrag)
 
         old['line'] = "".join(oldfragments)
         new['line'] = "".join(newfragments)
 
     def _highlight_line_udiff(self, line, next_):
         """
         Highlight inline changes in both lines.
         """
         start = 0
         limit = min(len(line['line']), len(next_['line']))
         while start < limit and line['line'][start] == next_['line'][start]:
             start += 1
         end = -1
         limit -= start
         while -end <= limit and line['line'][end] == next_['line'][end]:
             end -= 1
         end += 1
         if start or end:
             def do(l):
                 last = end + len(l['line'])
                 if l['action'] == 'add':
                     tag = 'ins'
                 else:
                     tag = 'del'
                 l['line'] = '%s<%s>%s</%s>%s' % (
                     l['line'][:start],
                     tag,
                     l['line'][start:last],
                     tag,
                     l['line'][last:]
                 )
             do(line)
             do(next_)
 
     def _parse_udiff(self):
         """
         Parse the diff an return data for the template.
         """
         lineiter = self.lines
         files = []
         try:
             line = lineiter.next()
             while 1:
                 # continue until we found the old file
                 if not line.startswith('--- '):
                     line = lineiter.next()
                     continue
 
                 chunks = []
                 stats = [0, 0]
                 operation, filename, old_rev, new_rev = \
                     self._extract_rev(line, lineiter.next())
                 files.append({
                     'filename':         filename,
                     'old_revision':     old_rev,
                     'new_revision':     new_rev,
                     'chunks':           chunks,
                     'operation':        operation,
                     'stats':            stats,
                 })
 
                 line = lineiter.next()
                 while line:
                     match = self._chunk_re.match(line)
                     if not match:
                         break
 
                     lines = []
                     chunks.append(lines)
 
                     old_line, old_end, new_line, new_end = \
                         [int(x or 1) for x in match.groups()[:-1]]
                     old_line -= 1
                     new_line -= 1
                     gr = match.groups()
                     context = len(gr) == 5
                     old_end += old_line
                     new_end += new_line
 
                     if context:
                         # skip context only if it's first line
                         if int(gr[0]) > 1:
                             lines.append({
                                 'old_lineno': '...',
                                 'new_lineno': '...',
                                 'action':     'context',
                                 'line':       line,
                             })
 
                     line = lineiter.next()
                     while old_line < old_end or new_line < new_end:
                         if line:
                             command, line = line[0], line[1:]
                         else:
                             command = ' '
                         affects_old = affects_new = False
 
                         # ignore those if we don't expect them
                         if command in '#@':
                             continue
                         elif command == '+':
                             affects_new = True
                             action = 'add'
                             stats[0] += 1
                         elif command == '-':
                             affects_old = True
                             action = 'del'
                             stats[1] += 1
                         else:
                             affects_old = affects_new = True
                             action = 'unmod'
 
                         if line.find('No newline at end of file') != -1:
                             lines.append({
                                 'old_lineno':   '...',
                                 'new_lineno':   '...',
                                 'action':       'context',
                                 'line':         line
                             })
 
                         else:
                             old_line += affects_old
                             new_line += affects_new
                             lines.append({
                                 'old_lineno':   affects_old and old_line or '',
                                 'new_lineno':   affects_new and new_line or '',
                                 'action':       action,
                                 'line':         line
                             })
 
                         line = lineiter.next()
         except StopIteration:
             pass
 
         # highlight inline changes
         for diff_data in files:
             for chunk in diff_data['chunks']:
                 lineiter = iter(chunk)
                 try:
                     while 1:
                         line = lineiter.next()
                         if line['action'] != 'unmod':
                             nextline = lineiter.next()
                             if nextline['action'] in ['unmod', 'context'] or \
                                nextline['action'] == line['action']:
                                 continue
                             self.differ(line, nextline)
                 except StopIteration:
                     pass
         return files
 
     def prepare(self):
         """
         Prepare the passed udiff for HTML rendering. It'l return a list
         of dicts
         """
         return self._parse_udiff()
 
     def _safe_id(self, idstring):
         """Make a string safe for including in an id attribute.
 
         The HTML spec says that id attributes 'must begin with
         a letter ([A-Za-z]) and may be followed by any number
         of letters, digits ([0-9]), hyphens ("-"), underscores
         ("_"), colons (":"), and periods (".")'. These regexps
         are slightly over-zealous, in that they remove colons
         and periods unnecessarily.
 
         Whitespace is transformed into underscores, and then
         anything which is not a hyphen or a character that
         matches \w (alphanumerics and underscore) is removed.
 
         """
         # Transform all whitespace to underscore
         idstring = re.sub(r'\s', "_", '%s' % idstring)
         # Remove everything that is not a hyphen or a member of \w
         idstring = re.sub(r'(?!-)\W', "", idstring).lower()
         return idstring
 
     def raw_diff(self):
         """
         Returns raw string as udiff
         """
         udiff_copy = self.copy_iterator()
         if self.__format == 'gitdiff':
             udiff_copy = self._parse_gitdiff(udiff_copy)
         return u''.join(udiff_copy)
 
     def as_html(self, table_class='code-difftable', line_class='line',
                 new_lineno_class='lineno old', old_lineno_class='lineno new',
                 code_class='code', enable_comments=False, diff_lines=None):
         """
         Return given diff as html table with customized css classes
         """
         def _link_to_if(condition, label, url):
             """
             Generates a link if condition is meet or just the label if not.
             """
 
             if condition:
                 return '''<a href="%(url)s">%(label)s</a>''' % {
                     'url': url,
                     'label': label
                 }
             else:
                 return label
         if diff_lines is None:
             diff_lines = self.prepare()
         _html_empty = True
         _html = []
         _html.append('''<table class="%(table_class)s">\n''' % {
             'table_class': table_class
         })
         for diff in diff_lines:
             for line in diff['chunks']:
                 _html_empty = False
                 for change in line:
                     _html.append('''<tr class="%(lc)s %(action)s">\n''' % {
                         'lc': line_class,
                         'action': change['action']
                     })
                     anchor_old_id = ''
                     anchor_new_id = ''
                     anchor_old = "%(filename)s_o%(oldline_no)s" % {
                         'filename': self._safe_id(diff['filename']),
                         'oldline_no': change['old_lineno']
                     }
                     anchor_new = "%(filename)s_n%(oldline_no)s" % {
                         'filename': self._safe_id(diff['filename']),
                         'oldline_no': change['new_lineno']
                     }
                     cond_old = (change['old_lineno'] != '...' and
                                 change['old_lineno'])
                     cond_new = (change['new_lineno'] != '...' and
                                 change['new_lineno'])
                     if cond_old:
                         anchor_old_id = 'id="%s"' % anchor_old
                     if cond_new:
                         anchor_new_id = 'id="%s"' % anchor_new
                     ###########################################################
                     # OLD LINE NUMBER
                     ###########################################################
                     _html.append('''\t<td %(a_id)s class="%(olc)s">''' % {
                         'a_id': anchor_old_id,
                         'olc': old_lineno_class
                     })
 
                     _html.append('''%(link)s''' % {
                         'link': _link_to_if(True, change['old_lineno'],
                                             '#%s' % anchor_old)
                     })
                     _html.append('''</td>\n''')
                     ###########################################################
                     # NEW LINE NUMBER
                     ###########################################################
 
                     _html.append('''\t<td %(a_id)s class="%(nlc)s">''' % {
                         'a_id': anchor_new_id,
                         'nlc': new_lineno_class
                     })
 
                     _html.append('''%(link)s''' % {
                         'link': _link_to_if(True, change['new_lineno'],
                                             '#%s' % anchor_new)
                     })
                     _html.append('''</td>\n''')
                     ###########################################################
                     # CODE
                     ###########################################################
                     comments = '' if enable_comments else 'no-comment'
                     _html.append('''\t<td class="%(cc)s %(inc)s">''' % {
                         'cc': code_class,
                         'inc': comments
                     })
                     _html.append('''\n\t\t<pre>%(code)s</pre>\n''' % {
                         'code': change['line']
                     })
                     _html.append('''\t</td>''')
                     _html.append('''\n</tr>\n''')
         _html.append('''</table>''')
         if _html_empty:
             return None
         return ''.join(_html)
 
     def stat(self):
         """
         Returns tuple of added, and removed lines for this instance
         """
         return self.adds, self.removes
 
 
+class InMemoryBundleRepo(bundlerepository):
+    def __init__(self, ui, path, bundlestream):
+        self._tempparent = None
+        localrepo.localrepository.__init__(self, ui, path)
+        self.ui.setconfig('phases', 'publish', False)
+
+        self.bundle = bundlestream
+
+        # dict with the mapping 'filename' -> position in the bundle
+        self.bundlefilespos = {}
+
+
 def differ(org_repo, org_ref, other_repo, other_ref, discovery_data=None):
     """
     General differ between branches, bookmarks or separate but releated 
     repositories
 
     :param org_repo:
     :type org_repo:
     :param org_ref:
     :type org_ref:
     :param other_repo:
     :type other_repo:
     :param other_ref:
     :type other_ref:
     """
 
-    ignore_whitespace = False
+    bundlerepo = ignore_whitespace = False
     context = 3
     org_repo = org_repo.scm_instance._repo
     other_repo = other_repo.scm_instance._repo
     opts = diffopts(git=True, ignorews=ignore_whitespace, context=context)
     org_ref = org_ref[1]
     other_ref = other_ref[1]
 
     if org_repo != other_repo:
 
         common, incoming, rheads = discovery_data
+
         # create a bundle (uncompressed if other repo is not local)
-        if other_repo.capable('getbundle'):
+        if other_repo.capable('getbundle') and incoming:
             # disable repo hooks here since it's just bundle !
             # patch and reset hooks section of UI config to not run any
             # hooks on fetching archives with subrepos
             for k, _ in other_repo.ui.configitems('hooks'):
                 other_repo.ui.setconfig('hooks', k, None)
 
             unbundle = other_repo.getbundle('incoming', common=common,
                                             heads=rheads)
 
             buf = io.BytesIO()
             while True:
                 chunk = unbundle._stream.read(1024*4)
                 if not chunk:
                     break
                 buf.write(chunk)
 
             buf.seek(0)
             unbundle._stream = buf
 
-        class InMemoryBundleRepo(bundlerepository):
-            def __init__(self, ui, path, bundlestream):
-                self._tempparent = None
-                localrepo.localrepository.__init__(self, ui, path)
-                self.ui.setconfig('phases', 'publish', False)
-
-                self.bundle = bundlestream
-
-                # dict with the mapping 'filename' -> position in the bundle
-                self.bundlefilespos = {}
-
-        ui = make_ui('db')
-        bundlerepo = InMemoryBundleRepo(ui, path=other_repo.root,
-                                        bundlestream=unbundle)
-        return ''.join(patch.diff(bundlerepo, node1=org_ref, node2=other_ref,
-                                  opts=opts))
+            ui = make_ui('db')
+            bundlerepo = InMemoryBundleRepo(ui, path=org_repo.root,
+                                            bundlestream=unbundle)
+        return ''.join(patch.diff(bundlerepo or org_repo, node2=other_ref, opts=opts))
     else:
         return ''.join(patch.diff(org_repo, node1=org_ref, node2=other_ref,
                                   opts=opts))

rhodecode/templates/branches/branches.html

@@ -1,91 +1,93 b''
 ## -*- coding: utf-8 -*-
 <%inherit file="/base/base.html"/>
 
 <%def name="title()">
     ${c.repo_name} ${_('Branches')} - ${c.rhodecode_name}
 </%def>
 
 <%def name="breadcrumbs_links()">
     <input class="q_filter_box" id="q_filter_branches" size="15" type="text" name="filter" value="${_('quick filter...')}"/>
     ${h.link_to(u'Home',h.url('/'))}
     &raquo;
     ${h.link_to(c.repo_name,h.url('summary_home',repo_name=c.repo_name))}
     &raquo;
     ${_('branches')}
 </%def>
 
 <%def name="page_nav()">
     ${self.menu('branches')}
 </%def>
 
 <%def name="main()">
 <div class="box">
     <!-- box / title -->
     <div class="title">
         ${self.breadcrumbs()}
     </div>
     <!-- end box / title -->
+    %if c.repo_branches:
     <div class="info_box" id="compare_branches" style="clear: both;padding: 10px 19px;vertical-align: right;text-align: right;"><a href="#" class="ui-btn small">${_('Compare branches')}</a></div>
+    %endif
     <div class="table">
         <%include file='branches_data.html'/>
     </div>
 </div>
 <script type="text/javascript">
 YUE.on('compare_branches','click',function(e){
 	YUE.preventDefault(e);
 	var org = YUQ('input[name=compare_org]:checked')[0];
 	var other = YUQ('input[name=compare_other]:checked')[0];
 	var compare_url = "${h.url('compare_home',repo_name=c.repo_name,ref='__ORG__...__OTHER__')}";
 	if(org && other){
 		var u = compare_url.replace('__ORG__','branch:'+org.value)
 		                   .replace('__OTHER__','branch:'+other.value);
 		window.location=u;
 	}
 	
 })
 // main table sorting
 var myColumnDefs = [
     {key:"name",label:"${_('Name')}",sortable:true},
     {key:"date",label:"${_('Date')}",sortable:true,
         sortOptions: { sortFunction: dateSort }},
     {key:"author",label:"${_('Author')}",sortable:true},
     {key:"revision",label:"${_('Revision')}",sortable:true,
         sortOptions: { sortFunction: revisionSort }},
     {key:"compare",label:"${_('Compare')}",sortable:false,},
 ];
 
 var myDataSource = new YAHOO.util.DataSource(YUD.get("branches_data"));
 
 myDataSource.responseType = YAHOO.util.DataSource.TYPE_HTMLTABLE;
 
 myDataSource.responseSchema = {
     fields: [
         {key:"name"},
         {key:"date"},
         {key:"author"},
         {key:"revision"},
         {key:"compare"},
     ]
 };
 
 var myDataTable = new YAHOO.widget.DataTable("table_wrap", myColumnDefs, myDataSource,
         {
          sortedBy:{key:"name",dir:"asc"},
          MSG_SORTASC:"${_('Click to sort ascending')}",
          MSG_SORTDESC:"${_('Click to sort descending')}",
          MSG_EMPTY:"${_('No records found.')}",
          MSG_ERROR:"${_('Data error.')}",
          MSG_LOADING:"${_('Loading...')}",
         }
 );
 myDataTable.subscribe('postRenderEvent',function(oArgs) {
     tooltip_activate();
     var func = function(node){
         return node.parentNode.parentNode.parentNode.parentNode.parentNode;
     }
     q_filter('q_filter_branches',YUQ('div.table tr td .logtags .branchtag a'),func);
 });
 
 </script>
 
 </%def>

rhodecode/templates/compare/compare_diff.html

@@ -1,90 +1,90 b''
 ## -*- coding: utf-8 -*-
 <%inherit file="/base/base.html"/>
 
 <%def name="title()">
     ${c.repo_name} ${_('Compare')} ${'%s@%s' % (c.org_repo.repo_name, c.org_ref)} -> ${'%s@%s' % (c.other_repo.repo_name, c.other_ref)}
 </%def>
 
 <%def name="breadcrumbs_links()">
     ${h.link_to(u'Home',h.url('/'))}
     &raquo;
     ${h.link_to(c.repo_name,h.url('summary_home',repo_name=c.repo_name))}
     &raquo;
     ${_('Compare')}
 </%def>
 
 <%def name="page_nav()">
     ${self.menu('changelog')}
 </%def>
 
 <%def name="main()">
 <div class="box">
     <!-- box / title -->
     <div class="title">
         ${self.breadcrumbs()}
     </div>
     <div class="table">
         <div id="body" class="diffblock">
             <div class="code-header cv">
-                <h3 class="code-header-title">${_('Compare View')} <a href="${c.swap_url}">swap</a></h3>
+                <h3 class="code-header-title">${_('Compare View')}</h3>
                 <div>
-                ${'%s@%s' % (c.org_repo.repo_name, c.org_ref)} -> ${'%s@%s' % (c.other_repo.repo_name, c.other_ref)}
+                ${'%s@%s' % (c.org_repo.repo_name, c.org_ref)} -> ${'%s@%s' % (c.other_repo.repo_name, c.other_ref)}  <a href="${c.swap_url}">[swap]</a>
                 </div>
             </div>
         </div>
         <div id="changeset_compare_view_content">
             <div class="container">
             <table class="compare_view_commits noborder">
             %for cnt, cs in enumerate(c.cs_ranges):
                 <tr>
                 <td><div class="gravatar"><img alt="gravatar" src="${h.gravatar_url(h.email(cs.author),14)}"/></div></td>
                 <td>${h.link_to('r%s:%s' % (cs.revision,h.short_id(cs.raw_id)),h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id))}</td>
                 <td><div class="author">${h.person(cs.author)}</div></td>
                 <td><span class="tooltip" title="${h.age(cs.date)}">${cs.date}</span></td>
                 <td>
                   %if hasattr(c,'statuses') and c.statuses:
                     <div title="${_('Changeset status')}" class="changeset-status-ico"><img src="${h.url('/images/icons/flag_status_%s.png' % c.statuses[cnt])}" /></div>
                   %endif
                 </td>
                 <td><div class="message">${h.urlify_commit(h.wrap_paragraphs(cs.message),c.repo_name)}</div></td>
                 </tr>
             %endfor
             </table>
             </div>
             <div style="font-size:1.1em;font-weight: bold;clear:both;padding-top:10px">${_('Files affected')}</div>
             <div class="cs_files">
               %for fid, change, f, stat in c.files:              
                   <div class="cs_${change}">
                     <div class="node">${h.link_to(h.safe_unicode(f),h.url.current(anchor=fid))}</div>
                     <div class="changes">${h.fancy_file_stats(stat)}</div>
                   </div>
               %endfor
             </div>
         </div>
     </div>
     
     ## diff block
     <%namespace name="diff_block" file="/changeset/diff_block.html"/>
     %for fid, change, f, stat in c.files:
       ${diff_block.diff_block_simple([c.changes[fid]])}
     %endfor
     
      <script type="text/javascript">
 
       YUE.onDOMReady(function(){
 
           YUE.on(YUQ('.diff-menu-activate'),'click',function(e){
               var act = e.currentTarget.nextElementSibling;
 
               if(YUD.hasClass(act,'active')){
                   YUD.removeClass(act,'active');
                   YUD.setStyle(act,'display','none');
               }else{
                   YUD.addClass(act,'active');
                   YUD.setStyle(act,'display','');
               }
           });
       })
     </script>
     </div>
 </%def>