git-http-backend man page on SmartOS

Printed from http://www.polarhome.com/service/man/?qf=git-http-backend&af=0&tf=2&of=SmartOS

GIT-HTTP-BACKEND(1)		  Git Manual		   GIT-HTTP-BACKEND(1)

NAME
       git-http-backend - Server side implementation of Git over HTTP

SYNOPSIS
       git http-backend

DESCRIPTION
       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.

SERVICES
       These services can be enabled/disabled using the per-repository
       configuration file:

       http.getanyfile
	   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.

       http.uploadpack
	   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.

       http.receivepack
	   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.

URL TRANSLATION
       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
       automatically by the web server.

EXAMPLES
       All of the following examples map http://$hostname/git/foo/bar.git to
       /var/www/git/foo/bar.git.

       Apache 2.x
	   Ensure mod_cgi, mod_alias, and mod_env are enabled, set
	   GIT_PROJECT_ROOT (or DocumentRoot) appropriately, and create a
	   ScriptAlias to the CGI:

	       SetEnv GIT_PROJECT_ROOT /var/www/git
	       SetEnv GIT_HTTP_EXPORT_ALL
	       ScriptAlias /git/ /usr/libexec/git-core/git-http-backend/

	   To enable anonymous read access but authenticated write access,
	   require authorization for both the initial ref advertisement (which
	   we detect as a push via the service parameter in the query string),
	   and the receive-pack invocation itself:

	       RewriteCond %{QUERY_STRING} service=git-receive-pack [OR]
	       RewriteCond %{REQUEST_URI} /git-receive-pack$
	       RewriteRule ^/git/ - [E=AUTHREQUIRED:yes]

	       <LocationMatch "^/git/">
		       Order Deny,Allow
		       Deny from env=AUTHREQUIRED

		       AuthType Basic
		       AuthName "Git Access"
		       Require group committers
		       Satisfy Any
		       ...
	       </LocationMatch>

	   If you do not have mod_rewrite available to match against the query
	   string, it is sufficient to just protect git-receive-pack itself,
	   like:

	       <LocationMatch "^/git/.*/git-receive-pack$">
		       AuthType Basic
		       AuthName "Git Access"
		       Require group committers
		       ...
	       </LocationMatch>

	   In this mode, the server will not request authentication until the
	   client actually starts the object negotiation phase of the push,
	   rather than during the initial contact. For this reason, you must
	   also enable the http.receivepack config option in any repositories
	   that should accept a push. The default behavior, if
	   http.receivepack is not set, is to reject any pushes by
	   unauthenticated users; the initial request will therefore report
	   403 Forbidden to the client, without even giving an opportunity for
	   authentication.

	   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
		       ...
	       </Location>

	   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))$" \
		       /usr/libexec/git-core/git-http-backend/$1

	       ScriptAlias /git/ /var/www/cgi-bin/gitweb.cgi/

	   To serve multiple repositories from different gitnamespaces(7) in a
	   single repository:

	       SetEnvIf Request_URI "^/git/([^/]*)" GIT_NAMESPACE=$1
	       ScriptAliasMatch ^/git/[^/]*(.*) /usr/libexec/git-core/git-http-backend/storage.git$1

       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

	       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/$1
	       ScriptAliasMatch \
		       "(?x)^/git/(.*/(HEAD | \
				       info/refs | \
				       objects/info/[^/]+ | \
				       git-(upload|receive)-pack))$" \
		       /usr/libexec/git-core/git-http-backend/$1
	       ScriptAlias /git/ /var/www/cgi-bin/gitweb.cgi/

       Lighttpd
	   Ensure that mod_cgi, mod_alias, `mod_auth, mod_setenv are loaded,
	   then set GIT_PROJECT_ROOT appropriately and redirect all requests
	   to the CGI:

	       alias.url += ( "/git" => "/usr/lib/git-core/git-http-backend" )
	       $HTTP["url"] =~ "^/git" {
		       cgi.assign = ("" => "")
		       setenv.add-environment = (
			       "GIT_PROJECT_ROOT" => "/var/www/git",
			       "GIT_HTTP_EXPORT_ALL" => ""
		       )
	       }

	   To enable anonymous read access but authenticated write access:

	       $HTTP["querystring"] =~ "service=git-receive-pack" {
		       include "git-auth.conf"
	       }
	       $HTTP["url"] =~ "^/git/.*/git-receive-pack$" {
		       include "git-auth.conf"
	       }

	   where git-auth.conf looks something like:

	       auth.require = (
		       "/" => (
			       "method" => "basic",
			       "realm" => "Git Access",
			       "require" => "valid-user"
			      )
	       )
	       # ...and set up auth.backend here

	   To require authentication for both reads and writes:

	       $HTTP["url"] =~ "^/git/private" {
		       include "git-auth.conf"
	       }

ENVIRONMENT
       git http-backend relies upon the CGI environment variables set by the
       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.

GIT
       Part of the git(1) suite

Git 1.9.0			  04/22/2014		   GIT-HTTP-BACKEND(1)
[top]

List of man pages available for SmartOS

Copyright (c) for man pages and the logo by the respective OS vendor.

For those who want to learn more, the polarhome community provides shell access and support.

[legal] [privacy] [GNU] [policy] [cookies] [netiquette] [sponsors] [FAQ]
Tweet
Polarhome, production since 1999.
Member of Polarhome portal.
Based on Fawad Halim's script.
....................................................................
Vote for polarhome
Free Shell Accounts :: the biggest list on the net