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           git http-backend


           A simple CGI program to serve the contents of a Git repository to Git
           clients accessing the repository over http:// and https:// protocols.
           The program supports clients fetching using both the smart HTTP
           protocol and the backwards-compatible dumb HTTP protocol, as well as
           clients pushing using the smart HTTP protocol.
           It verifies that the directory has the magic file
           "git-daemon-export-ok", and it will refuse to export any git directory
           that hasn't explicitly been marked for export this way (unless the
           GIT_HTTP_EXPORT_ALL environmental variable is set).
           By default, only the upload-pack service is enabled, which serves git
           fetch-pack and git ls-remote clients, which are invoked from git fetch,
           git pull, and git clone. If the client is authenticated, the
           receive-pack service is enabled, which serves git send-pack clients,
           which is invoked from git push.


           These services can be enabled/disabled using the per-repository
           configuration file:
               This serves Git clients older than version 1.6.6 that are unable to
               use the upload pack service. When enabled, clients are able to read
               any file within the repository, including objects that are no
               longer reachable from a branch but are still present. It is enabled
               by default, but a repository can disable it by setting this
               configuration item to false.
               This serves git fetch-pack and git ls-remote clients. It is enabled
               by default, but a repository can disable it by setting this
               configuration item to false.
               This serves git send-pack clients, allowing push. It is disabled by
               default for anonymous users, and enabled by default for users
               authenticated by the web server. It can be disabled by setting this
               item to false, or enabled for all users, including anonymous users,
               by setting it to true.


           To determine the location of the repository on disk, git http-backend
           concatenates the environment variables PATH_INFO, which is set
           automatically by the web server, and GIT_PROJECT_ROOT, which must be
           set manually in the web server configuration. If GIT_PROJECT_ROOT is
           not set, git http-backend reads PATH_TRANSLATED, which is also set
               To enable anonymous read access but authenticated write access,
               require authorization with a LocationMatch directive:
                   <LocationMatch "^/git/.*/git-receive-pack$">
                           AuthType Basic
                           AuthName "Git Access"
                           Require group committers
               To require authentication for both reads and writes, use a Location
               directive around the repository, or one of its parent directories:
                   <Location /git/private>
                           AuthType Basic
                           AuthName "Private Git Access"
                           Require group committers
               To serve gitweb at the same url, use a ScriptAliasMatch to only
               those URLs that git http-backend can handle, and forward the rest
               to gitweb:
                   ScriptAliasMatch \
                           "(?x)^/git/(.*/(HEAD | \
                                           info/refs | \
                                           objects/(info/[^/]+ | \
                                                    [0-9a-f]{2}/[0-9a-f]{38} | \
                                                    pack/pack-[0-9a-f]{40}\.(pack|idx)) | \
                                           git-(upload|receive)-pack))$" \
                   ScriptAlias /git/ /var/www/cgi-bin/gitweb.cgi/
           Accelerated static Apache 2.x
               Similar to the above, but Apache can be used to return static files
               that are stored on disk. On many systems this may be more efficient
               as Apache can ask the kernel to copy the file contents from the
               file system directly to the network:
                   SetEnv GIT_PROJECT_ROOT /var/www/git
                   AliasMatch ^/git/(.*/objects/[0-9a-f]{2}/[0-9a-f]{38})$          /var/www/git/$1
                   AliasMatch ^/git/(.*/objects/pack/pack-[0-9a-f]{40}.(pack|idx))$ /var/www/git/$1
                   ScriptAlias /git/ /usr/libexec/git-core/git-http-backend/
               This can be combined with the gitweb configuration:
                   SetEnv GIT_PROJECT_ROOT /var/www/git
           invoking web server, including:
           ?   PATH_INFO (if GIT_PROJECT_ROOT is set, otherwise PATH_TRANSLATED)
           ?   REMOTE_USER
           ?   REMOTE_ADDR
           ?   CONTENT_TYPE
           ?   QUERY_STRING
           ?   REQUEST_METHOD
           The GIT_HTTP_EXPORT_ALL environmental variable may be passed to
           git-http-backend to bypass the check for the "git-daemon-export-ok"
           file in each repository before allowing export of that repository.
           The backend process sets GIT_COMMITTER_NAME to $REMOTE_USER and
           GIT_COMMITTER_EMAIL to ${REMOTE_USER}@http.${REMOTE_ADDR}, ensuring
           that any reflogs created by git-receive-pack contain some identifying
           information of the remote user who performed the push.
           All CGI environment variables are available to each of the hooks
           invoked by the git-receive-pack.


           Written by Shawn O. Pearce <[1]>.


           Documentation by Shawn O. Pearce <[1]>.


           Part of the git(1) suite



    Git 1.7.1 03/04/2013 GIT-HTTP-BACKEND(1)


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