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authorng0 <ng0@we.make.ritual.n0.is>2016-11-19 21:49:06 +0000
committer宋文武 <iyzsong@member.fsf.org>2016-11-21 20:37:43 +0800
commite01e2c6c525f1c0ef0ab62b832435a4ece0348ec (patch)
tree9aaaccc318b2a4fffb4d1c76d532e8041532d231 /gnu/services/version-control.scm
parent2316078a4e64da0d6eee309e54f4b61c5b6cf30c (diff)
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gnu: services: Add git-service.
* gnu/services/version-control.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Add it. * doc/guix.texi (Misellaneous Services)[Version Control]: New section. Co-authored-by: 宋文武 <iyzsong@member.fsf.org>
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+;;; 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))