{ config, lib, pkgs, ... }: with lib; let cfg = config.services.gollum; in { options.services.gollum = { enable = mkOption { type = types.bool; default = false; description = "Enable the Gollum service."; }; address = mkOption { type = types.str; default = "0.0.0.0"; description = "IP address on which the web server will listen."; }; port = mkOption { type = types.int; default = 4567; description = "Port on which the web server will run."; }; extraConfig = mkOption { type = types.lines; default = ""; description = "Content of the configuration file"; }; mathjax = mkOption { type = types.bool; default = false; description = "Enable support for math rendering using MathJax"; }; allowUploads = mkOption { type = types.nullOr (types.enum [ "dir" "page" ]); default = null; description = "Enable uploads of external files"; }; emoji = mkOption { type = types.bool; default = false; description = "Parse and interpret emoji tags"; }; branch = mkOption { type = types.str; default = "master"; example = "develop"; description = "Git branch to serve"; }; stateDir = mkOption { type = types.path; default = "/var/lib/gollum"; description = "Specifies the path of the repository directory. If it does not exist, Gollum will create it on startup."; }; }; config = mkIf cfg.enable { users.users.gollum = { group = config.users.users.gollum.name; description = "Gollum user"; createHome = false; }; users.groups.gollum = { }; systemd.services.gollum = { description = "Gollum wiki"; after = [ "network.target" ]; wantedBy = [ "multi-user.target" ]; path = [ pkgs.git ]; preStart = let userName = config.users.users.gollum.name; groupName = config.users.groups.gollum.name; in '' # All of this is safe to be run on an existing repo mkdir -p ${cfg.stateDir} git init ${cfg.stateDir} chmod 755 ${cfg.stateDir} chown -R ${userName}:${groupName} ${cfg.stateDir} ''; serviceConfig = { User = config.users.extraUsers.gollum.name; Group = config.users.extraGroups.gollum.name; PermissionsStartOnly = true; ExecStart = '' ${pkgs.gollum}/bin/gollum \ --port ${toString cfg.port} \ --host ${cfg.address} \ --config ${builtins.toFile "gollum-config.rb" cfg.extraConfig} \ --ref ${cfg.branch} \ ${optionalString cfg.mathjax "--mathjax"} \ ${optionalString cfg.emoji "--emoji"} \ ${optionalString (cfg.allowUploads != null) "--allow-uploads ${cfg.allowUploads}"} \ ${cfg.stateDir} ''; }; }; }; }