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9b5b5c17 | 1 | ;;; GNU Guix --- Functional package management for GNU |
e87f0591 | 2 | ;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org> |
9b5b5c17 LC |
3 | ;;; |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
7 | ;;; under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
9 | ;;; your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
12 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | (define-module (guix git-download) | |
6119ebf1 | 20 | #:use-module (guix gexp) |
e87f0591 | 21 | #:use-module (guix store) |
6119ebf1 | 22 | #:use-module (guix monads) |
9b5b5c17 | 23 | #:use-module (guix records) |
9b5b5c17 | 24 | #:use-module (guix packages) |
0d5a559f | 25 | #:autoload (guix build-system gnu) (standard-packages) |
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26 | #:use-module (ice-9 match) |
27 | #:export (git-reference | |
28 | git-reference? | |
29 | git-reference-url | |
30 | git-reference-commit | |
6750877f | 31 | git-reference-recursive? |
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32 | |
33 | git-fetch)) | |
34 | ||
35 | ;;; Commentary: | |
36 | ;;; | |
37 | ;;; An <origin> method that fetches a specific commit from a Git repository. | |
38 | ;;; The repository URL and commit hash are specified with a <git-reference> | |
39 | ;;; object. | |
40 | ;;; | |
41 | ;;; Code: | |
42 | ||
43 | (define-record-type* <git-reference> | |
44 | git-reference make-git-reference | |
45 | git-reference? | |
6750877f LC |
46 | (url git-reference-url) |
47 | (commit git-reference-commit) | |
48 | (recursive? git-reference-recursive? ; whether to recurse into sub-modules | |
49 | (default #f))) | |
9b5b5c17 | 50 | |
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51 | (define (git-package) |
52 | "Return the default Git package." | |
53 | (let ((distro (resolve-interface '(gnu packages version-control)))) | |
54 | (module-ref distro 'git))) | |
55 | ||
f220a838 | 56 | (define* (git-fetch ref hash-algo hash |
9b5b5c17 | 57 | #:optional name |
f220a838 | 58 | #:key (system (%current-system)) (guile (default-guile)) |
6119ebf1 | 59 | (git (git-package))) |
f220a838 LC |
60 | "Return a fixed-output derivation that fetches REF, a <git-reference> |
61 | object. The output is expected to have recursive hash HASH of type | |
62 | HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." | |
6750877f LC |
63 | (define inputs |
64 | ;; When doing 'git clone --recursive', we need sed, grep, etc. to be | |
65 | ;; available so that 'git submodule' works. | |
66 | (if (git-reference-recursive? ref) | |
0d5a559f | 67 | (standard-packages) |
6750877f LC |
68 | '())) |
69 | ||
6119ebf1 LC |
70 | (define build |
71 | #~(begin | |
72 | (use-modules (guix build git) | |
73 | (guix build utils) | |
74 | (ice-9 match)) | |
75 | ||
76 | ;; The 'git submodule' commands expects Coreutils, sed, | |
77 | ;; grep, etc. to be in $PATH. | |
78 | (set-path-environment-variable "PATH" '("bin") | |
1590e8a1 | 79 | (match '#+inputs |
6119ebf1 LC |
80 | (((names dirs) ...) |
81 | dirs))) | |
6750877f | 82 | |
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83 | (git-fetch '#$(git-reference-url ref) |
84 | '#$(git-reference-commit ref) | |
85 | #$output | |
86 | #:recursive? '#$(git-reference-recursive? ref) | |
1590e8a1 | 87 | #:git-command (string-append #+git "/bin/git")))) |
6750877f | 88 | |
f220a838 | 89 | (mlet %store-monad ((guile (package->derivation guile system))) |
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90 | (gexp->derivation (or name "git-checkout") build |
91 | #:system system | |
347e17b4 | 92 | ;; FIXME: See <https://bugs.gnu.org/18747>. |
4a6aeb67 | 93 | ;; Uncomment when fixed daemons are widely deployed. |
347e17b4 | 94 | ;;#:local-build? #t |
6119ebf1 LC |
95 | #:hash-algo hash-algo |
96 | #:hash hash | |
97 | #:recursive? #t | |
98 | #:modules '((guix build git) | |
99 | (guix build utils)) | |
f220a838 LC |
100 | #:guile-for-build guile |
101 | #:local-build? #t))) | |
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102 | |
103 | ;;; git-download.scm ends here |