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