;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is> ;;; Copyright © 2016 Sou Bunnbu <iyzsong@member.fsf.org> ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify it ;;; under the terms of the GNU General Public License as published by ;;; the Free Software Foundation; either version 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix is distributed in the hope that it will be useful, but ;;; WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (gnu services version-control) #:use-module (gnu services) #:use-module (gnu services base) #:use-module (gnu services shepherd) #:use-module (gnu system shadow) #:use-module (gnu packages version-control) #:use-module (gnu packages admin) #:use-module (guix records) #:use-module (guix gexp) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (ice-9 match) #:export (git-daemon-service git-daemon-service-type git-daemon-configuration git-daemon-configuration?)) ;;; Commentary: ;;; ;;; Version Control related services. ;;; ;;; Code: ;;; ;;; Git daemon. ;;; (define-record-type* <git-daemon-configuration> git-daemon-configuration make-git-daemon-configuration git-daemon-configuration? (package git-daemon-configuration-package ;package (default git)) (export-all? git-daemon-configuration-export-all ;boolean (default #f)) (base-path git-daemon-configuration-base-path ;string | #f (default "/srv/git")) (user-path git-daemon-configuration-user-path ;string | #f (default #f)) (listen git-daemon-configuration-listen ;list of string (default '())) (port git-daemon-configuration-port ;number | #f (default #f)) (whitelist git-daemon-configuration-whitelist ;list of string (default '())) (extra-options git-daemon-configuration-extra-options ;list of string (default '()))) (define git-daemon-shepherd-service (match-lambda (($ <git-daemon-configuration> package export-all? base-path user-path listen port whitelist extra-options) (let* ((git (file-append package "/bin/git")) (command `(,git "daemon" "--syslog" "--reuseaddr" ,@(if export-all? '("--export-all") '()) ,@(if base-path `(,(string-append "--base-path=" base-path)) '()) ,@(if user-path `(,(string-append "--user-path=" user-path)) '()) ,@(map (cut string-append "--listen=" <>) listen) ,@(if port `(,(string-append "--port=" (number->string port))) '()) ,@extra-options ,@whitelist))) (list (shepherd-service (documentation "Run the git-daemon.") (requirement '(networking)) (provision '(git-daemon)) (start #~(make-forkexec-constructor '#$command #:user "git-daemon" #:group "git-daemon")) (stop #~(make-kill-destructor)))))))) (define %git-daemon-accounts ;; User account and group for git-daemon. (list (user-group (name "git-daemon") (system? #t)) (user-account (name "git-daemon") (system? #t) (group "git-daemon") (comment "Git daemon user") (home-directory "/var/empty") (shell (file-append shadow "/sbin/nologin"))))) (define (git-daemon-activation config) "Return the activation gexp for git-daemon using CONFIG." (let ((base-path (git-daemon-configuration-base-path config))) #~(begin (use-modules (guix build utils)) ;; Create the 'base-path' directory when it's not '#f'. (and=> #$base-path mkdir-p)))) (define git-daemon-service-type (service-type (name 'git-daemon) (extensions (list (service-extension shepherd-root-service-type git-daemon-shepherd-service) (service-extension account-service-type (const %git-daemon-accounts)) (service-extension activation-service-type git-daemon-activation))))) (define* (git-daemon-service #:key (config (git-daemon-configuration))) "Return a service that runs @command{git daemon}, a simple TCP server to expose repositories over the Git protocol for annoymous access. The optional @var{config} argument should be a @code{<git-daemon-configuration>} object, by default it allows read-only access to exported repositories under @file{/srv/git}." (service git-daemon-service-type config))