46 lines
1.8 KiB
Scheme
46 lines
1.8 KiB
Scheme
|
;;; GNU Guix --- Functional package management for GNU
|
||
|
|
;;; Copyright © 2014 Ludovic Courtès <ludo@gnu.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 (guix build git)
|
||
|
|
#:use-module (guix build utils)
|
||
|
|
#:export (git-fetch))
|
||
|
|
|
||
|
|
;;; Commentary:
|
||
|
|
;;;
|
||
|
|
;;; This is the build-side support code of (guix git-download). It allows a
|
||
|
|
;;; Git repository to be cloned and checked out at a specific commit.
|
||
|
|
;;;
|
||
|
|
;;; Code:
|
||
|
|
|
||
|
|
(define* (git-fetch url commit directory
|
||
|
|
#:key (git-command "git"))
|
||
|
|
"Fetch COMMIT from URL into DIRECTORY. COMMIT must be a valid Git commit
|
||
|
|
identifier. Return #t on success, #f otherwise."
|
||
|
|
(and (zero? (system* git-command "clone" url directory))
|
||
|
|
(with-directory-excursion directory
|
||
|
|
(system* git-command "tag" "-l")
|
||
|
|
(and (zero? (system* git-command "checkout" commit))
|
||
|
|
(begin
|
||
|
|
;; The contents of '.git' vary as a function of the current
|
||
|
|
;; status of the Git repo. Since we want a fixed output, this
|
||
|
|
;; directory needs to be taken out.
|
||
|
|
(delete-file-recursively ".git")
|
||
|
|
#t)))))
|
||
|
|
|
||
|
|
;;; git.scm ends here
|