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{pkgs, config, ...}:
with pkgs.lib;
let
cfg = config.services.gitDaemon;
gitUser = "git";
in
{
###### interface
options = {
services.gitDaemon = {
enable = mkOption {
default = false;
description = ''
Enable Git daemon, which allows public hosting of git repositories
without any access controls. This is mostly intended for read-only access.
You can allow write access by setting daemon.receivepack configuration
item of the repository to true. This is solely meant for a closed LAN setting
where everybody is friendly.
If you need any access controls, use something else.
'';
};
basePath = mkOption {
default = "";
example = "/srv/git/";
description = ''
Remap all the path requests as relative to the given path. For example,
if you set base-path to /srv/git, then if you later try to pull
git://example.com/hello.git, Git daemon will interpret the path as /srv/git/hello.git.
'';
};
exportAll = mkOption {
default = false;
description = ''
Publish 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.
If disabled, you need to touch .git/git-daemon-export-ok in each repository
you want the daemon to publish.
Warning: enabling this without a repository whitelist or basePath
publishes every git repository you have.
'';
};
repositories = mkOption {
default = [];
example = [ "/srv/git" "/home/user/git/repo2" ];
description = ''
A whitelist of paths of git repositories, or directories containing repositories
all of which would be published. Paths must not end in "/".
Warning: leaving this empty and enabling exportAll publishes all
repositories in your filesystem or basePath if specified.
'';
};
listenAddress = mkOption {
default = "";
example = "example.com";
description = "Listen on a specific IP address or hostname.";
};
port = mkOption {
default = 9418;
description = "Port to listen on.";
};
options = mkOption {
default = "";
description = "Extra configuration options to be passed to Git daemon.";
};
};
};
###### implementation
config = mkIf cfg.enable {
users.extraUsers = singleton
{ name = gitUser;
uid = config.ids.uids.git;
description = "Git daemon user";
};
users.extraGroups = singleton
{ name = gitUser;
gid = config.ids.gids.git;
};
jobs.gitDaemon = {
name = "git-daemon";
startOn = "ip-up";
exec = "${pkgs.git}/bin/git daemon --reuseaddr "
+ (optionalString (cfg.basePath != "") "--basepath=${cfg.basePath} ")
+ (optionalString (cfg.listenAddress != "") "--listen=${cfg.listenAddress} ")
+ "--port=${toString cfg.port} --user=${gitUser} --group=${gitUser} ${cfg.options} "
+ "--verbose " + (optionalString cfg.exportAll "--export-all") + concatStringsSep " " cfg.repositories;
};
};
}
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