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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 宋文武 <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 home services git)
#:use-module (gnu home services)
#:use-module (gnu services configuration)
#:use-module (gnu packages version-control)
#:use-module (guix packages)
#:use-module (guix gexp)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:export (home-git-service-type
home-git-configuration))
(define (git-options? options)
"Return #t if OPTIONS is a well-formed sexp for git options."
(define git-variable?
(match-lambda
((key value) (and (symbol? key) (string? value)))
(_ #f)))
(every
(match-lambda
(((section subsection) variables ..1)
(and (symbol? section)
(string? subsection)
(every git-variable? variables)))
((section variables ..1)
(and (symbol? section)
(every git-variable? variables)))
(_ #f))
options))
(define (serialize-git-options options)
(define serialize-section
(match-lambda
((section variables ..1)
(with-output-to-string
(lambda ()
(match section
((section subsection)
(simple-format #t "[~a ~s]~%" section subsection))
(_
(simple-format #t "[~a]~%" section)))
(for-each
(match-lambda
((key value)
(simple-format #t "\t~a = ~s~%" key value)))
variables))))))
(string-concatenate (map serialize-section options)))
(define-configuration home-git-configuration
(package
(package git)
"The Git package to use.")
(options
(git-options '())
"System configuration options for Git."))
(define (home-git-environment-variables config)
(let ((gitconfig (serialize-git-options
(home-git-configuration-options config))))
`(("GIT_CONFIG_SYSTEM" . ,(plain-file "gitconfig" gitconfig)))))
(define (home-git-profile config)
(list (home-git-configuration-package config)))
(define home-git-service-type
(service-type (name 'home-git)
(extensions
(list (service-extension
home-environment-variables-service-type
home-git-environment-variables)
(service-extension
home-profile-service-type
home-git-profile)))
(default-value (home-git-configuration))
(description
"Install and configure the Git distributed revision control
system.")))
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