| git-daemon(1) | |
| ============= | |
| NAME | |
| ---- | |
| git-daemon - A really simple server for Git repositories | |
| SYNOPSIS | |
| -------- | |
| [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>]]] | |
| [--log-destination=(stderr|syslog|none)] | |
| [<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, the offers are limited to | |
| repositories within those directories. | |
| 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 | |
| directory arguments are provided. | |
| `--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 from `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 | |
| list. | |
| `--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` (may | |
| be overridden with `--log-destination=`). | |
| 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`:: | |
| Short for `--log-destination=syslog`. | |
| `--log-destination=<destination>`:: | |
| Send log messages to the specified destination. | |
| Note that this option does not imply `--verbose`, | |
| thus by default only error conditions will be logged. | |
| The _<destination>_ must be one of: | |
| + | |
| -- | |
| `stderr`:: | |
| Write to standard error. | |
| Note that if `--detach` is specified, | |
| the process disconnects from the real standard error, | |
| making this destination effectively equivalent to `none`. | |
| `syslog`:: | |
| Write to syslog, using the `git-daemon` identifier. | |
| `none`:: | |
| Disable all logging. | |
| -- | |
| + | |
| The default destination is `syslog` if `--inetd` or `--detach` is specified, | |
| otherwise `stderr`. | |
| `--user-path`:: | |
| `--user-path=<path>`:: | |
| Allow {tilde}user notation to be used in requests. When | |
| specified with no parameter, a request to | |
| git://host/{tilde}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 | |
| may be overridden. | |
| `--informative-errors`:: | |
| `--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>_:: | |
| The remaining arguments provide a list of directories. If any | |
| directories are specified, then the `git-daemon` process will | |
| serve a requested directory only if it is contained in one of | |
| these directories. If `--strict-paths` is specified, then the | |
| requested directory must match one of these directories exactly. | |
| SERVICES | |
| -------- | |
| These services can be globally enabled/disabled using the | |
| command-line options of this command. If 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 within `/pub/foo` or `/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 linkgit:git[1] suite |