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9b5b5c17 | 1 | ;;; GNU Guix --- Functional package management for GNU |
e9b046fd | 2 | ;;; Copyright © 2014, 2015, 2016 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? |
9b5b5c17 | 32 | |
ee17a9e0 DC |
33 | git-fetch |
34 | git-version | |
35 | git-file-name)) | |
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36 | |
37 | ;;; Commentary: | |
38 | ;;; | |
39 | ;;; An <origin> method that fetches a specific commit from a Git repository. | |
40 | ;;; The repository URL and commit hash are specified with a <git-reference> | |
41 | ;;; object. | |
42 | ;;; | |
43 | ;;; Code: | |
44 | ||
45 | (define-record-type* <git-reference> | |
46 | git-reference make-git-reference | |
47 | git-reference? | |
6750877f LC |
48 | (url git-reference-url) |
49 | (commit git-reference-commit) | |
50 | (recursive? git-reference-recursive? ; whether to recurse into sub-modules | |
51 | (default #f))) | |
9b5b5c17 | 52 | |
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53 | (define (git-package) |
54 | "Return the default Git package." | |
55 | (let ((distro (resolve-interface '(gnu packages version-control)))) | |
56 | (module-ref distro 'git))) | |
57 | ||
f220a838 | 58 | (define* (git-fetch ref hash-algo hash |
9b5b5c17 | 59 | #:optional name |
f220a838 | 60 | #:key (system (%current-system)) (guile (default-guile)) |
6119ebf1 | 61 | (git (git-package))) |
f220a838 LC |
62 | "Return a fixed-output derivation that fetches REF, a <git-reference> |
63 | object. The output is expected to have recursive hash HASH of type | |
64 | HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f." | |
6750877f LC |
65 | (define inputs |
66 | ;; When doing 'git clone --recursive', we need sed, grep, etc. to be | |
67 | ;; available so that 'git submodule' works. | |
68 | (if (git-reference-recursive? ref) | |
0d5a559f | 69 | (standard-packages) |
6750877f LC |
70 | '())) |
71 | ||
6119ebf1 | 72 | (define build |
e9b046fd LC |
73 | (with-imported-modules '((guix build git) |
74 | (guix build utils)) | |
75 | #~(begin | |
76 | (use-modules (guix build git) | |
77 | (guix build utils) | |
78 | (ice-9 match)) | |
6119ebf1 | 79 | |
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80 | ;; The 'git submodule' commands expects Coreutils, sed, |
81 | ;; grep, etc. to be in $PATH. | |
82 | (set-path-environment-variable "PATH" '("bin") | |
83 | (match '#+inputs | |
84 | (((names dirs) ...) | |
85 | dirs))) | |
6750877f | 86 | |
c0b2d08b | 87 | (git-fetch (getenv "git url") (getenv "git commit") |
e9b046fd | 88 | #$output |
c0b2d08b LC |
89 | #:recursive? (call-with-input-string |
90 | (getenv "git recursive?") | |
91 | read) | |
e9b046fd | 92 | #:git-command (string-append #+git "/bin/git"))))) |
6750877f | 93 | |
f220a838 | 94 | (mlet %store-monad ((guile (package->derivation guile system))) |
6119ebf1 | 95 | (gexp->derivation (or name "git-checkout") build |
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96 | |
97 | ;; Use environment variables and a fixed script name so | |
98 | ;; there's only one script in store for all the | |
99 | ;; downloads. | |
100 | #:script-name "git-download" | |
101 | #:env-vars | |
102 | `(("git url" . ,(git-reference-url ref)) | |
103 | ("git commit" . ,(git-reference-commit ref)) | |
104 | ("git recursive?" . ,(object->string | |
105 | (git-reference-recursive? ref)))) | |
106 | ||
6119ebf1 | 107 | #:system system |
6b44a097 | 108 | #:local-build? #t ;don't offload repo cloning |
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109 | #:hash-algo hash-algo |
110 | #:hash hash | |
111 | #:recursive? #t | |
5c6a30c5 | 112 | #:guile-for-build guile))) |
9b5b5c17 | 113 | |
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114 | (define (git-version version revision commit) |
115 | "Return the version string for packages using git-download." | |
116 | (string-append version "-" revision "." (string-take commit 7))) | |
117 | ||
118 | (define (git-file-name name version) | |
119 | "Return the file-name for packages using git-download." | |
120 | (string-append name "-" version "-checkout")) | |
121 | ||
9b5b5c17 | 122 | ;;; git-download.scm ends here |