reverted git fix as it broke pushing

docs/changelog.rst

@@ -1,536 +1,536 b''
 .. _changelog:
 
 Changelog
 =========
 
 
 1.3.2 (**2012-XX-XX**)
 ----------------------
 
 :status: in-progress
 :branch: beta
 
 news
 ++++
 
 
 fixes
 +++++
 
 - fixed git protocol issues with repos-groups
 - fixed git remote repos validator that prevented from cloning remote git repos
 - fixes #370 ending slashes fixes for repo and groups
-- fixes #368 improved git-protocol detection to handle other clients
+#- fixes #368 improved git-protocol detection to handle other clients
 - fixes #366 When Setting Repository Group To Blank Repo Group Wont Be 
   Moved To Root
 
 1.3.1 (**2012-02-27**)
 ----------------------
 
 news
 ++++
 
 
 fixes
 +++++
 
 - redirection loop occurs when remember-me wasn't checked during login
 - fixes issues with git blob history generation 
 - don't fetch branch for git in file history dropdown. Causes unneeded slowness
 
 1.3.0 (**2012-02-26**)
 ----------------------
 
 news
 ++++
 
 - code review, inspired by github code-comments 
 - #215 rst and markdown README files support
 - #252 Container-based and proxy pass-through authentication support
 - #44 branch browser. Filtering of changelog by branches
 - mercurial bookmarks support
 - new hover top menu, optimized to add maximum size for important views
 - configurable clone url template with possibility to specify  protocol like 
   ssh:// or http:// and also manually alter other parts of clone_url.
 - enabled largefiles extension by default
 - optimized summary file pages and saved a lot of unused space in them
 - #239 option to manually mark repository as fork
 - #320 mapping of commit authors to RhodeCode users
 - #304 hashes are displayed using monospace font    
 - diff configuration, toggle white lines and context lines
 - #307 configurable diffs, whitespace toggle, increasing context lines
 - sorting on branches, tags and bookmarks using YUI datatable
 - improved file filter on files page
 - implements #330 api method for listing nodes ar particular revision
 - #73 added linking issues in commit messages to chosen issue tracker url
   based on user defined regular expression
 - added linking of changesets in commit messages  
 - new compact changelog with expandable commit messages
 - firstname and lastname are optional in user creation
 - #348 added post-create repository hook
 - #212 global encoding settings is now configurable from .ini files 
 - #227 added repository groups permissions
 - markdown gets codehilite extensions
 - new API methods, delete_repositories, grante/revoke permissions for groups 
   and repos
   
     
 fixes
 +++++
 
 - rewrote dbsession management for atomic operations, and better error handling
 - fixed sorting of repo tables
 - #326 escape of special html entities in diffs
 - normalized user_name => username in api attributes
 - fixes #298 ldap created users with mixed case emails created conflicts 
   on saving a form
 - fixes issue when owner of a repo couldn't revoke permissions for users 
   and groups
 - fixes #271 rare JSON serialization problem with statistics
 - fixes #337 missing validation check for conflicting names of a group with a
   repositories group
 - #340 fixed session problem for mysql and celery tasks
 - fixed #331 RhodeCode mangles repository names if the a repository group 
   contains the "full path" to the repositories
 - #355 RhodeCode doesn't store encrypted LDAP passwords
 
 1.2.5 (**2012-01-28**)
 ----------------------
 
 news
 ++++
 
 fixes
 +++++
 
 - #340 Celery complains about MySQL server gone away, added session cleanup
   for celery tasks
 - #341 "scanning for repositories in None" log message during Rescan was missing
   a parameter
 - fixed creating archives with subrepos. Some hooks were triggered during that
   operation leading to crash.
 - fixed missing email in account page.
 - Reverted Mercurial to 2.0.1 for windows due to bug in Mercurial that makes
   forking on windows impossible 
 
 1.2.4 (**2012-01-19**)
 ----------------------
 
 news
 ++++
 
 - RhodeCode is bundled with mercurial series 2.0.X by default, with
   full support to largefiles extension. Enabled by default in new installations
 - #329 Ability to Add/Remove Groups to/from a Repository via AP
 - added requires.txt file with requirements
      
 fixes
 +++++
 
 - fixes db session issues with celery when emailing admins
 - #331 RhodeCode mangles repository names if the a repository group 
   contains the "full path" to the repositories
 - #298 Conflicting e-mail addresses for LDAP and RhodeCode users
 - DB session cleanup after hg protocol operations, fixes issues with
   `mysql has gone away` errors
 - #333 doc fixes for get_repo api function
 - #271 rare JSON serialization problem with statistics enabled
 - #337 Fixes issues with validation of repository name conflicting with 
   a group name. A proper message is now displayed.
 - #292 made ldap_dn in user edit readonly, to get rid of confusion that field
   doesn't work   
 - #316 fixes issues with web description in hgrc files 
 
 1.2.3 (**2011-11-02**)
 ----------------------
 
 news
 ++++
 
 - added option to manage repos group for non admin users
 - added following API methods for get_users, create_user, get_users_groups, 
   get_users_group, create_users_group, add_user_to_users_groups, get_repos, 
   get_repo, create_repo, add_user_to_repo
 - implements #237 added password confirmation for my account 
   and admin edit user.
 - implements #291 email notification for global events are now sent to all
   administrator users, and global config email.
      
 fixes
 +++++
 
 - added option for passing auth method for smtp mailer
 - #276 issue with adding a single user with id>10 to usergroups
 - #277 fixes windows LDAP settings in which missing values breaks the ldap auth 
 - #288 fixes managing of repos in a group for non admin user
 
 1.2.2 (**2011-10-17**)
 ----------------------
 
 news
 ++++
 
 - #226 repo groups are available by path instead of numerical id
  
 fixes
 +++++
 
 - #259 Groups with the same name but with different parent group
 - #260 Put repo in group, then move group to another group -> repo becomes unavailable
 - #258 RhodeCode 1.2 assumes egg folder is writable (lockfiles problems)
 - #265 ldap save fails sometimes on converting attributes to booleans, 
   added getter and setter into model that will prevent from this on db model level
 - fixed problems with timestamps issues #251 and #213
 - fixes #266 RhodeCode allows to create repo with the same name and in 
   the same parent as group
 - fixes #245 Rescan of the repositories on Windows
 - fixes #248 cannot edit repos inside a group on windows
 - fixes #219 forking problems on windows
 
 1.2.1 (**2011-10-08**)
 ----------------------
 
 news
 ++++
 
 
 fixes
 +++++
 
 - fixed problems with basic auth and push problems 
 - gui fixes
 - fixed logger
 
 1.2.0 (**2011-10-07**)
 ----------------------
 
 news
 ++++
 
 - implemented #47 repository groups
 - implemented #89 Can setup google analytics code from settings menu
 - implemented #91 added nicer looking archive urls with more download options
   like tags, branches
 - implemented #44 into file browsing, and added follow branch option
 - implemented #84 downloads can be enabled/disabled for each repository
 - anonymous repository can be cloned without having to pass default:default
   into clone url
 - fixed #90 whoosh indexer can index chooses repositories passed in command 
   line
 - extended journal with day aggregates and paging
 - implemented #107 source code lines highlight ranges
 - implemented #93 customizable changelog on combined revision ranges - 
   equivalent of githubs compare view 
 - implemented #108 extended and more powerful LDAP configuration
 - implemented #56 users groups
 - major code rewrites optimized codes for speed and memory usage
 - raw and diff downloads are now in git format
 - setup command checks for write access to given path
 - fixed many issues with international characters and unicode. It uses utf8
   decode with replace to provide less errors even with non utf8 encoded strings
 - #125 added API KEY access to feeds
 - #109 Repository can be created from external Mercurial link (aka. remote 
   repository, and manually updated (via pull) from admin panel
 - beta git support - push/pull server + basic view for git repos
 - added followers page and forks page
 - server side file creation (with binary file upload interface) 
   and edition with commits powered by codemirror 
 - #111 file browser file finder, quick lookup files on whole file tree 
 - added quick login sliding menu into main page
 - changelog uses lazy loading of affected files details, in some scenarios 
   this can improve speed of changelog page dramatically especially for 
   larger repositories.
 - implements #214 added support for downloading subrepos in download menu.
 - Added basic API for direct operations on rhodecode via JSON
 - Implemented advanced hook management
 
 fixes
 +++++
 
 - fixed file browser bug, when switching into given form revision the url was 
   not changing
 - fixed propagation to error controller on simplehg and simplegit middlewares
 - fixed error when trying to make a download on empty repository
 - fixed problem with '[' chars in commit messages in journal
 - fixed #99 Unicode errors, on file node paths with non utf-8 characters
 - journal fork fixes
 - removed issue with space inside renamed repository after deletion
 - fixed strange issue on formencode imports
 - fixed #126 Deleting repository on Windows, rename used incompatible chars. 
 - #150 fixes for errors on repositories mapped in db but corrupted in 
   filesystem
 - fixed problem with ascendant characters in realm #181
 - fixed problem with sqlite file based database connection pool
 - whoosh indexer and code stats share the same dynamic extensions map
 - fixes #188 - relationship delete of repo_to_perm entry on user removal
 - fixes issue #189 Trending source files shows "show more" when no more exist
 - fixes issue #197 Relative paths for pidlocks
 - fixes issue #198 password will require only 3 chars now for login form
 - fixes issue #199 wrong redirection for non admin users after creating a repository
 - fixes issues #202, bad db constraint made impossible to attach same group 
   more than one time. Affects only mysql/postgres
 - fixes #218 os.kill patch for windows was missing sig param
 - improved rendering of dag (they are not trimmed anymore when number of 
   heads exceeds 5)
     
 1.1.8 (**2011-04-12**)
 ----------------------
 
 news
 ++++
 
 - improved windows support
 
 fixes
 +++++
 
 - fixed #140 freeze of python dateutil library, since new version is python2.x
   incompatible
 - setup-app will check for write permission in given path
 - cleaned up license info issue #149
 - fixes for issues #137,#116 and problems with unicode and accented characters.
 - fixes crashes on gravatar, when passed in email as unicode
 - fixed tooltip flickering problems
 - fixed came_from redirection on windows
 - fixed logging modules, and sql formatters
 - windows fixes for os.kill issue #133
 - fixes path splitting for windows issues #148
 - fixed issue #143 wrong import on migration to 1.1.X
 - fixed problems with displaying binary files, thanks to Thomas Waldmann
 - removed name from archive files since it's breaking ui for long repo names
 - fixed issue with archive headers sent to browser, thanks to Thomas Waldmann
 - fixed compatibility for 1024px displays, and larger dpi settings, thanks to 
   Thomas Waldmann
 - fixed issue #166 summary pager was skipping 10 revisions on second page
 
 
 1.1.7 (**2011-03-23**)
 ----------------------
 
 news
 ++++
 
 fixes
 +++++
 
 - fixed (again) #136 installation support for FreeBSD
 
 
 1.1.6 (**2011-03-21**)
 ----------------------
 
 news
 ++++
 
 fixes
 +++++
 
 - fixed #136 installation support for FreeBSD
 - RhodeCode will check for python version during installation
 
 1.1.5 (**2011-03-17**)
 ----------------------
 
 news
 ++++
 
 - basic windows support, by exchanging pybcrypt into sha256 for windows only
   highly inspired by idea of mantis406
 
 fixes
 +++++
 
 - fixed sorting by author in main page
 - fixed crashes with diffs on binary files
 - fixed #131 problem with boolean values for LDAP
 - fixed #122 mysql problems thanks to striker69 
 - fixed problem with errors on calling raw/raw_files/annotate functions 
   with unknown revisions
 - fixed returned rawfiles attachment names with international character
 - cleaned out docs, big thanks to Jason Harris
 
 1.1.4 (**2011-02-19**)
 ----------------------
 
 news
 ++++
 
 fixes
 +++++
 
 - fixed formencode import problem on settings page, that caused server crash
   when that page was accessed as first after server start
 - journal fixes
 - fixed option to access repository just by entering http://server/<repo_name> 
 
 1.1.3 (**2011-02-16**)
 ----------------------
 
 news
 ++++
 
 - implemented #102 allowing the '.' character in username
 - added option to access repository just by entering http://server/<repo_name>
 - celery task ignores result for better performance
 
 fixes
 +++++
 
 - fixed ehlo command and non auth mail servers on smtp_lib. Thanks to 
   apollo13 and Johan Walles
 - small fixes in journal
 - fixed problems with getting setting for celery from .ini files
 - registration, password reset and login boxes share the same title as main 
   application now
 - fixed #113: to high permissions to fork repository
 - fixed problem with '[' chars in commit messages in journal
 - removed issue with space inside renamed repository after deletion
 - db transaction fixes when filesystem repository creation failed
 - fixed #106 relation issues on databases different than sqlite
 - fixed static files paths links to use of url() method
 
 1.1.2 (**2011-01-12**)
 ----------------------
 
 news
 ++++
 
 
 fixes
 +++++
 
 - fixes #98 protection against float division of percentage stats
 - fixed graph bug
 - forced webhelpers version since it was making troubles during installation 
 
 1.1.1 (**2011-01-06**)
 ----------------------
  
 news
 ++++
 
 - added force https option into ini files for easier https usage (no need to
   set server headers with this options)
 - small css updates
 
 fixes
 +++++
 
 - fixed #96 redirect loop on files view on repositories without changesets
 - fixed #97 unicode string passed into server header in special cases (mod_wsgi)
   and server crashed with errors
 - fixed large tooltips problems on main page
 - fixed #92 whoosh indexer is more error proof
 
 1.1.0 (**2010-12-18**)
 ----------------------
 
 news
 ++++
 
 - rewrite of internals for vcs >=0.1.10
 - uses mercurial 1.7 with dotencode disabled for maintaining compatibility 
   with older clients
 - anonymous access, authentication via ldap
 - performance upgrade for cached repos list - each repository has its own 
   cache that's invalidated when needed.
 - performance upgrades on repositories with large amount of commits (20K+)
 - main page quick filter for filtering repositories
 - user dashboards with ability to follow chosen repositories actions
 - sends email to admin on new user registration
 - added cache/statistics reset options into repository settings
 - more detailed action logger (based on hooks) with pushed changesets lists
   and options to disable those hooks from admin panel
 - introduced new enhanced changelog for merges that shows more accurate results
 - new improved and faster code stats (based on pygments lexers mapping tables, 
   showing up to 10 trending sources for each repository. Additionally stats
   can be disabled in repository settings.
 - gui optimizations, fixed application width to 1024px
 - added cut off (for large files/changesets) limit into config files
 - whoosh, celeryd, upgrade moved to paster command
 - other than sqlite database backends can be used
 
 fixes
 +++++
 
 - fixes #61 forked repo was showing only after cache expired
 - fixes #76 no confirmation on user deletes
 - fixes #66 Name field misspelled
 - fixes #72 block user removal when he owns repositories
 - fixes #69 added password confirmation fields
 - fixes #87 RhodeCode crashes occasionally on updating repository owner
 - fixes #82 broken annotations on files with more than 1 blank line at the end
 - a lot of fixes and tweaks for file browser
 - fixed detached session issues
 - fixed when user had no repos he would see all repos listed in my account
 - fixed ui() instance bug when global hgrc settings was loaded for server 
   instance and all hgrc options were merged with our db ui() object
 - numerous small bugfixes
  
 (special thanks for TkSoh for detailed feedback)
 
 
 1.0.2 (**2010-11-12**)
 ----------------------
 
 news
 ++++
 
 - tested under python2.7
 - bumped sqlalchemy and celery versions
 
 fixes
 +++++
 
 - fixed #59 missing graph.js
 - fixed repo_size crash when repository had broken symlinks
 - fixed python2.5 crashes.
 
 
 1.0.1 (**2010-11-10**)
 ----------------------
 
 news
 ++++
 
 - small css updated
 
 fixes
 +++++
 
 - fixed #53 python2.5 incompatible enumerate calls
 - fixed #52 disable mercurial extension for web
 - fixed #51 deleting repositories don't delete it's dependent objects
 
 
 1.0.0 (**2010-11-02**)
 ----------------------
 
 - security bugfix simplehg wasn't checking for permissions on commands
   other than pull or push.
 - fixed doubled messages after push or pull in admin journal
 - templating and css corrections, fixed repo switcher on chrome, updated titles
 - admin menu accessible from options menu on repository view
 - permissions cached queries
 
 1.0.0rc4  (**2010-10-12**)
 --------------------------
 
 - fixed python2.5 missing simplejson imports (thanks to Jens Bäckman)
 - removed cache_manager settings from sqlalchemy meta
 - added sqlalchemy cache settings to ini files
 - validated password length and added second try of failure on paster setup-app
 - fixed setup database destroy prompt even when there was no db
 
 
 1.0.0rc3 (**2010-10-11**)
 -------------------------
 
 - fixed i18n during installation.
 
 1.0.0rc2 (**2010-10-11**)
 -------------------------
 
 - Disabled dirsize in file browser, it's causing nasty bug when dir renames 
   occure. After vcs is fixed it'll be put back again.
 - templating/css rewrites, optimized css.
  No newline at end of file

rhodecode/lib/middleware/simplegit.py

@@ -1,251 +1,258 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.middleware.simplegit
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     SimpleGit middleware for handling git protocol request (push/clone etc.)
     It's implemented with basic auth function
 
     :created_on: Apr 28, 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 re
 import logging
 import traceback
 
 from dulwich import server as dulserver
 
 
 class SimpleGitUploadPackHandler(dulserver.UploadPackHandler):
 
     def handle(self):
         write = lambda x: self.proto.write_sideband(1, x)
 
         graph_walker = dulserver.ProtocolGraphWalker(self,
                                                      self.repo.object_store,
                                                      self.repo.get_peeled)
         objects_iter = self.repo.fetch_objects(
           graph_walker.determine_wants, graph_walker, self.progress,
           get_tagged=self.get_tagged)
 
         # Do they want any objects?
         if objects_iter is None or len(objects_iter) == 0:
             return
 
         self.progress("counting objects: %d, done.\n" % len(objects_iter))
         dulserver.write_pack_objects(dulserver.ProtocolFile(None, write),
                                   objects_iter, len(objects_iter))
         messages = []
         messages.append('thank you for using rhodecode')
 
         for msg in messages:
             self.progress(msg + "\n")
         # we are done
         self.proto.write("0000")
 
 dulserver.DEFAULT_HANDLERS = {
   'git-upload-pack': SimpleGitUploadPackHandler,
   'git-receive-pack': dulserver.ReceivePackHandler,
 }
 
 from dulwich.repo import Repo
 from dulwich.web import HTTPGitApplication
 
 from paste.httpheaders import REMOTE_USER, AUTH_TYPE
 
 from rhodecode.lib import safe_str
 from rhodecode.lib.base import BaseVCSController
 from rhodecode.lib.auth import get_container_username
 from rhodecode.lib.utils import is_valid_repo
 from rhodecode.model.db import User
 
 from webob.exc import HTTPNotFound, HTTPForbidden, HTTPInternalServerError
 
 log = logging.getLogger(__name__)
 
 
 GIT_PROTO_PAT = re.compile(r'git-upload-pack|git-receive-pack|info\/refs')
 
 
-def is_git(action):
-    return action in ['pull','push']
+def is_git(environ):
+    """Returns True if request's target is git server.
+    ``HTTP_USER_AGENT`` would then have git client version given.
+
+    :param environ:
+    """
+    http_user_agent = environ.get('HTTP_USER_AGENT')
+    if http_user_agent and http_user_agent.startswith('git'):
+        return True
+    return False
 
 
 class SimpleGit(BaseVCSController):
 
     def _handle_request(self, environ, start_response):
-        #======================================================================
-        # GET ACTION PULL or PUSH
-        #======================================================================
-        action = self.__get_action(environ)
-
-        if not is_git(action):
+        if not is_git(environ):
             return self.application(environ, start_response)
 
         proxy_key = 'HTTP_X_REAL_IP'
         def_key = 'REMOTE_ADDR'
         ipaddr = environ.get(proxy_key, environ.get(def_key, '0.0.0.0'))
         username = None
         # skip passing error to error controller
         environ['pylons.status_code_redirect'] = True
 
         #======================================================================
         # EXTRACT REPOSITORY NAME FROM ENV
         #======================================================================
         try:
             repo_name = self.__get_repository(environ)
             log.debug('Extracted repo name is %s' % repo_name)
         except:
             return HTTPInternalServerError()(environ, start_response)
 
+        #======================================================================
+        # GET ACTION PULL or PUSH
+        #======================================================================
+        action = self.__get_action(environ)
 
         #======================================================================
         # CHECK ANONYMOUS PERMISSION
         #======================================================================
         if action in ['pull', 'push']:
             anonymous_user = self.__get_user('default')
             username = anonymous_user.username
             anonymous_perm = self._check_permission(action, anonymous_user,
                                                     repo_name)
 
             if anonymous_perm is not True or anonymous_user.active is False:
                 if anonymous_perm is not True:
                     log.debug('Not enough credentials to access this '
                               'repository as anonymous user')
                 if anonymous_user.active is False:
                     log.debug('Anonymous access is disabled, running '
                               'authentication')
                 #==============================================================
                 # DEFAULT PERM FAILED OR ANONYMOUS ACCESS IS DISABLED SO WE
                 # NEED TO AUTHENTICATE AND ASK FOR AUTH USER PERMISSIONS
                 #==============================================================
 
                 # Attempting to retrieve username from the container
                 username = get_container_username(environ, self.config)
 
                 # If not authenticated by the container, running basic auth
                 if not username:
                     self.authenticate.realm = \
                         safe_str(self.config['rhodecode_realm'])
                     result = self.authenticate(environ)
                     if isinstance(result, str):
                         AUTH_TYPE.update(environ, 'basic')
                         REMOTE_USER.update(environ, result)
                         username = result
                     else:
                         return result.wsgi_application(environ, start_response)
 
                 #==============================================================
                 # CHECK PERMISSIONS FOR THIS REQUEST USING GIVEN USERNAME
                 #==============================================================
                 if action in ['pull', 'push']:
                     try:
                         user = self.__get_user(username)
                         if user is None or not user.active:
                             return HTTPForbidden()(environ, start_response)
                         username = user.username
                     except:
                         log.error(traceback.format_exc())
                         return HTTPInternalServerError()(environ,
                                                          start_response)
 
                     #check permissions for this repository
                     perm = self._check_permission(action, user,
                                                    repo_name)
                     if perm is not True:
                         return HTTPForbidden()(environ, start_response)
 
         #===================================================================
         # GIT REQUEST HANDLING
         #===================================================================
 
         repo_path = safe_str(os.path.join(self.basepath, repo_name))
         log.debug('Repository path is %s' % repo_path)
 
         # quick check if that dir exists...
         if is_valid_repo(repo_name, self.basepath) is False:
             return HTTPNotFound()(environ, start_response)
 
         try:
             #invalidate cache on push
             if action == 'push':
                 self._invalidate_cache(repo_name)
             log.info('%s action on GIT repo "%s"' % (action, repo_name))
             app = self.__make_app(repo_name, repo_path)
             return app(environ, start_response)
         except Exception:
             log.error(traceback.format_exc())
             return HTTPInternalServerError()(environ, start_response)
 
     def __make_app(self, repo_name, repo_path):
         """
         Make an wsgi application using dulserver
 
         :param repo_name: name of the repository
         :param repo_path: full path to the repository
         """
 
         _d = {'/' + repo_name: Repo(repo_path)}
         backend = dulserver.DictBackend(_d)
         gitserve = HTTPGitApplication(backend)
 
         return gitserve
 
     def __get_repository(self, environ):
         """
         Get's repository name out of PATH_INFO header
 
         :param environ: environ where PATH_INFO is stored
         """
         try:
             environ['PATH_INFO'] = self._get_by_id(environ['PATH_INFO'])
             repo_name = '/'.join(environ['PATH_INFO'].split('/')[1:])
             repo_name = GIT_PROTO_PAT.split(repo_name)
             if repo_name:
                 repo_name = repo_name[0]
 
             if repo_name.endswith('/'):
                 repo_name = repo_name.rstrip('/')
         except:
             log.error(traceback.format_exc())
             raise
 
         return repo_name
 
     def __get_user(self, username):
         return User.get_by_username(username)
 
     def __get_action(self, environ):
         """
         Maps git request commands into a pull or push command.
 
         :param environ:
         """
         service = environ['QUERY_STRING'].split('=')
         if len(service) > 1:
             service_cmd = service[1]
             mapping = {
                 'git-receive-pack': 'push',
                 'git-upload-pack': 'pull',
             }
 
             return mapping.get(service_cmd,
                                service_cmd if service_cmd else 'other')
         else:
             return 'other'