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GIT-DAEMON(1)                                    Git Manual                                    GIT-DAEMON(1)



NAME
       git-daemon - A really simple server for Git repositories

SYNOPSIS
       git daemon [--verbose] [--syslog] [--export-all]
                    [--timeout=<n>] [--init-timeout=<n>] [--max-connections=<n>]
                    [--strict-paths] [--base-path=<path>] [--base-path-relaxed]
                    [--user-path | --user-path=<path>]
                    [--interpolated-path=<pathtemplate>]
                    [--reuseaddr] [--detach] [--pid-file=<file>]
                    [--enable=<service>] [--disable=<service>]
                    [--allow-override=<service>] [--forbid-override=<service>]
                    [--access-hook=<path>] [--[no-]informative-errors]
                    [--inetd |
                     [--listen=<host_or_ipaddr>] [--port=<n>]
                     [--user=<user> [--group=<group>]]]
                    [<directory>...]


DESCRIPTION
       A really simple TCP Git daemon that normally listens on port "DEFAULT_GIT_PORT" aka 9418. It waits
       for a connection asking for a service, and will serve that service if it is enabled.

       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
       --export-all parameter is specified). If you pass some directory paths as git daemon arguments, you
       can further restrict the offers to a whitelist comprising of those.

       By default, only 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.

       This is ideally suited for read-only updates, i.e., pulling from Git repositories.

       An upload-archive also exists to serve git archive.

OPTIONS
       --strict-paths
           Match paths exactly (i.e. don't allow "/foo/repo" when the real path is "/foo/repo.git" or
           "/foo/repo/.git") and don't do user-relative paths.  git daemon will refuse to start when this
           option is enabled and no whitelist is specified.

       --base-path=<path>
           Remap all the path requests as relative to the given path. This is sort of "Git root" - if you
           run git daemon with --base-path=/srv/git on example.com, then if you later try to pull
           git://example.com/hello.git, git daemon will interpret the path as /srv/git/hello.git.

       --base-path-relaxed
           If --base-path is enabled and repo lookup fails, with this option git daemon will attempt to
           lookup without prefixing the base path. This is useful for switching to --base-path usage, while
           still allowing the old paths.

       --interpolated-path=<pathtemplate>
           To support virtual hosting, an interpolated path template can be used to dynamically construct
           alternate paths. The template supports %H for the target hostname as supplied by the client but
           converted to all lowercase, %CH for the canonical hostname, %IP for the server's IP address, %P
           for the port number, and %D for the absolute path of the named repository. After interpolation,
           the path is validated against the directory whitelist.

       --export-all
           Allow pulling from all directories that look like Git repositories (have the objects and refs
           subdirectories), even if they do not have the git-daemon-export-ok file.

       --inetd
           Have the server run as an inetd service. Implies --syslog. Incompatible with --detach, --port,
           --listen, --user and --group options.

       --listen=<host_or_ipaddr>
           Listen on a specific IP address or hostname. IP addresses can be either an IPv4 address or an
           IPv6 address if supported. If IPv6 is not supported, then --listen=hostname is also not supported
           and --listen must be given an IPv4 address. Can be given more than once. Incompatible with
           --inetd option.

       --port=<n>
           Listen on an alternative port. Incompatible with --inetd option.

       --init-timeout=<n>
           Timeout (in seconds) between the moment the connection is established and the client request is
           received (typically a rather low value, since that should be basically immediate).

       --timeout=<n>
           Timeout (in seconds) for specific client sub-requests. This includes the time it takes for the
           server to process the sub-request and the time spent waiting for the next client's request.

       --max-connections=<n>
           Maximum number of concurrent clients, defaults to 32. Set it to zero for no limit.

       --syslog
           Log to syslog instead of stderr. Note that this option does not imply --verbose, thus by default
           only error conditions will be logged.

       --user-path, --user-path=<path>
           Allow ~user notation to be used in requests. When specified with no parameter, requests to
           git://host/~alice/foo is taken as a request to access foo repository in the home directory of
           user alice. If --user-path=path is specified, the same request is taken as a request to access
           path/foo repository in the home directory of user alice.

       --verbose
           Log details about the incoming connections and requested files.

       --reuseaddr
           Use SO_REUSEADDR when binding the listening socket. This allows the server to restart without
           waiting for old connections to time out.

       --detach
           Detach from the shell. Implies --syslog.

       --pid-file=<file>
           Save the process id in file. Ignored when the daemon is run under --inetd.

       --user=<user>, --group=<group>
           Change daemon's uid and gid before entering the service loop. When only --user is given without
           --group, the primary group ID for the user is used. The values of the option are given to
           getpwnam(3) and getgrnam(3) and numeric IDs are not supported.

           Giving these options is an error when used with --inetd; use the facility of inet daemon to
           achieve the same before spawning git daemon if needed.

           Like many programs that switch user id, the daemon does not reset environment variables such as
           $HOME when it runs git programs, e.g.  upload-pack and receive-pack. When using this option, you
           may also want to set and export HOME to point at the home directory of <user> before starting the
           daemon, and make sure any Git configuration files in that directory are readable by <user>.

       --enable=<service>, --disable=<service>
           Enable/disable the service site-wide per default. Note that a service disabled site-wide can
           still be enabled per repository if it is marked overridable and the repository enables the
           service with a configuration item.

       --allow-override=<service>, --forbid-override=<service>
           Allow/forbid overriding the site-wide default with per repository configuration. By default, all
           the services are overridable.

       --[no-]informative-errors
           When informative errors are turned on, git-daemon will report more verbose errors to the client,
           differentiating conditions like "no such repository" from "repository not exported". This is more
           convenient for clients, but may leak information about the existence of unexported repositories.
           When informative errors are not enabled, all errors report "access denied" to the client. The
           default is --no-informative-errors.

       --access-hook=<path>
           Every time a client connects, first run an external command specified by the <path> with service
           name (e.g. "upload-pack"), path to the repository, hostname (%H), canonical hostname (%CH), ip
           address (%IP), and tcp port (%P) as its command line arguments. The external command can decide
           to decline the service by exiting with a non-zero status (or to allow it by exiting with a zero
           status). It can also look at the $REMOTE_ADDR and $REMOTE_PORT environment variables to learn
           about the requestor when making this decision.

           The external command can optionally write a single line to its standard output to be sent to the
           requestor as an error message when it declines the service.

       <directory>
           A directory to add to the whitelist of allowed directories. Unless --strict-paths is specified
           this will also include subdirectories of each named directory.

SERVICES
       These services can be globally enabled/disabled using the command line options of this command. If a
       finer-grained control is desired (e.g. to allow git archive to be run against only in a few selected
       repositories the daemon serves), the per-repository configuration file can be used to enable or
       disable them.

       upload-pack
           This serves git fetch-pack and git ls-remote clients. It is enabled by default, but a repository
           can disable it by setting daemon.uploadpack configuration item to false.

       upload-archive
           This serves git archive --remote. It is disabled by default, but a repository can enable it by
           setting daemon.uploadarch configuration item to true.

       receive-pack
           This serves git send-pack clients, allowing anonymous push. It is disabled by default, as there
           is no authentication in the protocol (in other words, anybody can push anything into the
           repository, including removal of refs). This is solely meant for a closed LAN setting where
           everybody is friendly. This service can be enabled by setting daemon.receivepack configuration
           item to true.

EXAMPLES
       We assume the following in /etc/services

               $ grep 9418 /etc/services
               git             9418/tcp                # Git Version Control System


       git daemon as inetd server
           To set up git daemon as an inetd service that handles any repository under the whitelisted set of
           directories, /pub/foo and /pub/bar, place an entry like the following into /etc/inetd all on one
           line:

                       git stream tcp nowait nobody  /usr/bin/git
                               git daemon --inetd --verbose --export-all
                               /pub/foo /pub/bar


       git daemon as inetd server for virtual hosts
           To set up git daemon as an inetd service that handles repositories for different virtual hosts,
           www.example.com and www.example.org, place an entry like the following into /etc/inetd all on one
           line:

                       git stream tcp nowait nobody /usr/bin/git
                               git daemon --inetd --verbose --export-all
                               --interpolated-path=/pub/%H%D
                               /pub/www.example.org/software
                               /pub/www.example.com/software
                               /software

           In this example, the root-level directory /pub will contain a subdirectory for each virtual host
           name supported. Further, both hosts advertise repositories simply as
           git://www.example.com/software/repo.git. For pre-1.4.0 clients, a symlink from /software into the
           appropriate default repository could be made as well.

       git daemon as regular daemon for virtual hosts
           To set up git daemon as a regular, non-inetd service that handles repositories for multiple
           virtual hosts based on their IP addresses, start the daemon like this:

                       git daemon --verbose --export-all
                               --interpolated-path=/pub/%IP/%D
                               /pub/192.168.1.200/software
                               /pub/10.10.220.23/software

           In this example, the root-level directory /pub will contain a subdirectory for each virtual host
           IP address supported. Repositories can still be accessed by hostname though, assuming they
           correspond to these IP addresses.

       selectively enable/disable services per repository
           To enable git archive --remote and disable git fetch against a repository, have the following in
           the configuration file in the repository (that is the file config next to HEAD, refs and
           objects).

                       [daemon]
                               uploadpack = false
                               uploadarch = true


ENVIRONMENT
       git daemon will set REMOTE_ADDR to the IP address of the client that connected to it, if the IP
       address is available. REMOTE_ADDR will be available in the environment of hooks called when services
       are performed.

GIT
       Part of the git(1) suite



Git 1.8.3                                        05/24/2013                                    GIT-DAEMON(1)