Make detecting bare Git repositories more robust

Git remote repositories may end on '.git', e.g. myrepo.git. Just checking
for a repository path to end on '.git' causes 'Repository not found' errors
in such a case. To distinguish between bare and normal Git repositories,
check  if there is a '/.git' part at the end of the repository path
(i.e. if GIT_DIR is pointing to '.' (bare) or '.git').

rhodecode/lib/hooks.py

@@ -1,382 +1,382
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.hooks
     ~~~~~~~~~~~~~~~~~~~
 
     Hooks runned by rhodecode
 
     :created_on: Aug 6, 2010
     :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 os
 import sys
 import binascii
 from inspect import isfunction
 
 from mercurial.scmutil import revrange
 from mercurial.node import nullrev
 
 from rhodecode.lib import helpers as h
 from rhodecode.lib.utils import action_logger
 from rhodecode.lib.vcs.backends.base import EmptyChangeset
 from rhodecode.lib.compat import json
 from rhodecode.lib.exceptions import HTTPLockedRC
 from rhodecode.lib.utils2 import safe_str
 from rhodecode.model.db import Repository, User
 
 def _get_scm_size(alias, root_path):
 
     if not alias.startswith('.'):
         alias += '.'
 
     size_scm, size_root = 0, 0
     for path, dirs, files in os.walk(root_path):
         if path.find(alias) != -1:
             for f in files:
                 try:
                     size_scm += os.path.getsize(os.path.join(path, f))
                 except OSError:
                     pass
         else:
             for f in files:
                 try:
                     size_root += os.path.getsize(os.path.join(path, f))
                 except OSError:
                     pass
 
     size_scm_f = h.format_byte_size(size_scm)
     size_root_f = h.format_byte_size(size_root)
     size_total_f = h.format_byte_size(size_root + size_scm)
 
     return size_scm_f, size_root_f, size_total_f
 
 
 def repo_size(ui, repo, hooktype=None, **kwargs):
     """
     Presents size of repository after push
 
     :param ui:
     :param repo:
     :param hooktype:
     """
 
     size_hg_f, size_root_f, size_total_f = _get_scm_size('.hg', repo.root)
 
     last_cs = repo[len(repo) - 1]
 
     msg = ('Repository size .hg:%s repo:%s total:%s\n'
            'Last revision is now r%s:%s\n') % (
         size_hg_f, size_root_f, size_total_f, last_cs.rev(), last_cs.hex()[:12]
     )
 
     sys.stdout.write(msg)
 
 
 def pre_push(ui, repo, **kwargs):
     # pre push function, currently used to ban pushing when
     # repository is locked
     try:
         rc_extras = json.loads(os.environ.get('RC_SCM_DATA', "{}"))
     except:
         rc_extras = {}
     extras = dict(repo.ui.configitems('rhodecode_extras'))
 
     if 'username' in extras:
         username = extras['username']
         repository = extras['repository']
         scm = extras['scm']
         locked_by = extras['locked_by']
     elif 'username' in rc_extras:
         username = rc_extras['username']
         repository = rc_extras['repository']
         scm = rc_extras['scm']
         locked_by = rc_extras['locked_by']
     else:
         raise Exception('Missing data in repo.ui and os.environ')
 
     usr = User.get_by_username(username)
     if locked_by[0] and usr.user_id != int(locked_by[0]):
         locked_by = User.get(locked_by[0]).username
         raise HTTPLockedRC(repository, locked_by)
 
 
 def pre_pull(ui, repo, **kwargs):
     # pre push function, currently used to ban pushing when
     # repository is locked
     try:
         rc_extras = json.loads(os.environ.get('RC_SCM_DATA', "{}"))
     except:
         rc_extras = {}
     extras = dict(repo.ui.configitems('rhodecode_extras'))
     if 'username' in extras:
         username = extras['username']
         repository = extras['repository']
         scm = extras['scm']
         locked_by = extras['locked_by']
     elif 'username' in rc_extras:
         username = rc_extras['username']
         repository = rc_extras['repository']
         scm = rc_extras['scm']
         locked_by = rc_extras['locked_by']
     else:
         raise Exception('Missing data in repo.ui and os.environ')
 
     if locked_by[0]:
         locked_by = User.get(locked_by[0]).username
         raise HTTPLockedRC(repository, locked_by)
 
 
 def log_pull_action(ui, repo, **kwargs):
     """
     Logs user last pull action
 
     :param ui:
     :param repo:
     """
     try:
         rc_extras = json.loads(os.environ.get('RC_SCM_DATA', "{}"))
     except:
         rc_extras = {}
     extras = dict(repo.ui.configitems('rhodecode_extras'))
     if 'username' in extras:
         username = extras['username']
         repository = extras['repository']
         scm = extras['scm']
         make_lock = extras['make_lock']
     elif 'username' in rc_extras:
         username = rc_extras['username']
         repository = rc_extras['repository']
         scm = rc_extras['scm']
         make_lock = rc_extras['make_lock']
     else:
         raise Exception('Missing data in repo.ui and os.environ')
     user = User.get_by_username(username)
     action = 'pull'
     action_logger(user, action, repository, extras['ip'], commit=True)
     # extension hook call
     from rhodecode import EXTENSIONS
     callback = getattr(EXTENSIONS, 'PULL_HOOK', None)
 
     if isfunction(callback):
         kw = {}
         kw.update(extras)
         callback(**kw)
 
     if make_lock is True:
         Repository.lock(Repository.get_by_repo_name(repository), user.user_id)
         #msg = 'Made lock on repo `%s`' % repository
         #sys.stdout.write(msg)
 
     return 0
 
 
 def log_push_action(ui, repo, **kwargs):
     """
     Maps user last push action to new changeset id, from mercurial
 
     :param ui:
     :param repo: repo object containing the `ui` object
     """
 
     try:
         rc_extras = json.loads(os.environ.get('RC_SCM_DATA', "{}"))
     except:
         rc_extras = {}
 
     extras = dict(repo.ui.configitems('rhodecode_extras'))
     if 'username' in extras:
         username = extras['username']
         repository = extras['repository']
         scm = extras['scm']
         make_lock = extras['make_lock']
     elif 'username' in rc_extras:
         username = rc_extras['username']
         repository = rc_extras['repository']
         scm = rc_extras['scm']
         make_lock = rc_extras['make_lock']
     else:
         raise Exception('Missing data in repo.ui and os.environ')
 
     action = 'push' + ':%s'
 
     if scm == 'hg':
         node = kwargs['node']
 
         def get_revs(repo, rev_opt):
             if rev_opt:
                 revs = revrange(repo, rev_opt)
 
                 if len(revs) == 0:
                     return (nullrev, nullrev)
                 return (max(revs), min(revs))
             else:
                 return (len(repo) - 1, 0)
 
         stop, start = get_revs(repo, [node + ':'])
         h = binascii.hexlify
         revs = [h(repo[r].node()) for r in xrange(start, stop + 1)]
     elif scm == 'git':
         revs = kwargs.get('_git_revs', [])
         if '_git_revs' in kwargs:
             kwargs.pop('_git_revs')
 
     action = action % ','.join(revs)
 
     action_logger(username, action, repository, extras['ip'], commit=True)
 
     # extension hook call
     from rhodecode import EXTENSIONS
     callback = getattr(EXTENSIONS, 'PUSH_HOOK', None)
     if isfunction(callback):
         kw = {'pushed_revs': revs}
         kw.update(extras)
         callback(**kw)
 
     if make_lock is False:
         Repository.unlock(Repository.get_by_repo_name(repository))
         msg = 'Released lock on repo `%s`\n' % repository
         sys.stdout.write(msg)
 
     return 0
 
 
 def log_create_repository(repository_dict, created_by, **kwargs):
     """
     Post create repository Hook. This is a dummy function for admins to re-use
     if needed. It's taken from rhodecode-extensions module and executed
     if present
 
     :param repository: dict dump of repository object
     :param created_by: username who created repository
     :param created_date: date of creation
 
     available keys of repository_dict:
 
      'repo_type',
      'description',
      'private',
      'created_on',
      'enable_downloads',
      'repo_id',
      'user_id',
      'enable_statistics',
      'clone_uri',
      'fork_id',
      'group_id',
      'repo_name'
 
     """
     from rhodecode import EXTENSIONS
     callback = getattr(EXTENSIONS, 'CREATE_REPO_HOOK', None)
     if isfunction(callback):
         kw = {}
         kw.update(repository_dict)
         kw.update({'created_by': created_by})
         kw.update(kwargs)
         return callback(**kw)
 
     return 0
 
 handle_git_pre_receive = (lambda repo_path, revs, env:
     handle_git_receive(repo_path, revs, env, hook_type='pre'))
 handle_git_post_receive = (lambda repo_path, revs, env:
     handle_git_receive(repo_path, revs, env, hook_type='post'))
 
 
 def handle_git_receive(repo_path, revs, env, hook_type='post'):
     """
     A really hacky method that is runned by git post-receive hook and logs
     an push action together with pushed revisions. It's executed by subprocess
     thus needs all info to be able to create a on the fly pylons enviroment,
     connect to database and run the logging code. Hacky as sh*t but works.
 
     :param repo_path:
     :type repo_path:
     :param revs:
     :type revs:
     :param env:
     :type env:
     """
     from paste.deploy import appconfig
     from sqlalchemy import engine_from_config
     from rhodecode.config.environment import load_environment
     from rhodecode.model import init_model
     from rhodecode.model.db import RhodeCodeUi
     from rhodecode.lib.utils import make_ui
     extras = json.loads(env['RHODECODE_EXTRAS'])
 
     path, ini_name = os.path.split(extras['config'])
     conf = appconfig('config:%s' % ini_name, relative_to=path)
     load_environment(conf.global_conf, conf.local_conf)
 
     engine = engine_from_config(conf, 'sqlalchemy.db1.')
     init_model(engine)
 
     baseui = make_ui('db')
     # fix if it's not a bare repo
-    if repo_path.endswith('.git'):
-        repo_path = repo_path[:-4]
+    if repo_path.endswith(os.sep + '.git'):
+        repo_path = repo_path[:-5]
 
     repo = Repository.get_by_full_path(repo_path)
     if not repo:
         raise OSError('Repository %s not found in database'
                       % (safe_str(repo_path)))
 
     _hooks = dict(baseui.configitems('hooks')) or {}
 
     for k, v in extras.items():
         baseui.setconfig('rhodecode_extras', k, v)
     repo = repo.scm_instance
     repo.ui = baseui
 
     if hook_type == 'pre':
         pre_push(baseui, repo)
 
     # if push hook is enabled via web interface
     elif hook_type == 'post' and _hooks.get(RhodeCodeUi.HOOK_PUSH):
 
         rev_data = []
         for l in revs:
             old_rev, new_rev, ref = l.split(' ')
             _ref_data = ref.split('/')
             if _ref_data[1] in ['tags', 'heads']:
                 rev_data.append({'old_rev': old_rev,
                                  'new_rev': new_rev,
                                  'ref': ref,
                                  'type': _ref_data[1],
                                  'name': _ref_data[2].strip()})
 
         git_revs = []
         for push_ref  in rev_data:
             _type = push_ref['type']
             if _type == 'heads':
                 if push_ref['old_rev'] == EmptyChangeset().raw_id:
                     cmd = "for-each-ref --format='%(refname)' 'refs/heads/*'"
                     heads = repo.run_git_command(cmd)[0]
                     heads = heads.replace(push_ref['ref'], '')
                     heads = ' '.join(map(lambda c: c.strip('\n').strip(),
                                          heads.splitlines()))
                     cmd = (('log %(new_rev)s' % push_ref) +
                            ' --reverse --pretty=format:"%H" --not ' + heads)
                 else:
                     cmd = (('log %(old_rev)s..%(new_rev)s' % push_ref) +
                            ' --reverse --pretty=format:"%H"')
                 git_revs += repo.run_git_command(cmd)[0].splitlines()
             elif _type == 'tags':
                 git_revs += [push_ref['name']]
 
         log_push_action(baseui, repo, _git_revs=git_revs)