M Makefile.am => Makefile.am +2 -0
@@ 34,6 34,7 @@ MODULES = \
guix/pki.scm \
guix/utils.scm \
guix/download.scm \
+ guix/git-download.scm \
guix/monads.scm \
guix/profiles.scm \
guix/serialization.scm \
@@ 54,6 55,7 @@ MODULES = \
guix/ui.scm \
guix/build/download.scm \
guix/build/cmake-build-system.scm \
+ guix/build/git.scm \
guix/build/gnome.scm \
guix/build/gnu-build-system.scm \
guix/build/gnu-dist.scm \
A guix/build/git.scm => guix/build/git.scm +45 -0
@@ 0,0 1,45 @@
+;;; 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
A guix/git-download.scm => guix/git-download.scm +89 -0
@@ 0,0 1,89 @@
+;;; 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 git-download)
+ #:use-module (guix records)
+ #:use-module (guix derivations)
+ #:use-module (guix packages)
+ #:use-module (ice-9 match)
+ #:export (git-reference
+ git-reference?
+ git-reference-url
+ git-reference-commit
+
+ git-fetch))
+
+;;; Commentary:
+;;;
+;;; An <origin> method that fetches a specific commit from a Git repository.
+;;; The repository URL and commit hash are specified with a <git-reference>
+;;; object.
+;;;
+;;; Code:
+
+(define-record-type* <git-reference>
+ git-reference make-git-reference
+ git-reference?
+ (url git-reference-url)
+ (commit git-reference-commit))
+
+(define* (git-fetch store ref hash-algo hash
+ #:optional name
+ #:key (system (%current-system)) guile git)
+ "Return a fixed-output derivation in STORE that fetches REF, a
+<git-reference> object. The output is expected to have recursive hash HASH of
+type HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if
+#f."
+ (define guile-for-build
+ (match guile
+ ((? package?)
+ (package-derivation store guile system))
+ (#f ; the default
+ (let* ((distro (resolve-interface '(gnu packages base)))
+ (guile (module-ref distro 'guile-final)))
+ (package-derivation store guile system)))))
+
+ (define git-for-build
+ (match git
+ ((? package?)
+ (package-derivation store git system))
+ (#f ; the default
+ (let* ((distro (resolve-interface '(gnu packages version-control)))
+ (git (module-ref distro 'git)))
+ (package-derivation store git system)))))
+
+ (let* ((command (string-append (derivation->output-path git-for-build)
+ "/bin/git"))
+ (builder `(begin
+ (use-modules (guix build git))
+ (git-fetch ',(git-reference-url ref)
+ ',(git-reference-commit ref)
+ %output
+ #:git-command ',command))))
+ (build-expression->derivation store (or name "git-checkout") builder
+ #:system system
+ #:local-build? #t
+ #:inputs `(("git" ,git-for-build))
+ #:hash-algo hash-algo
+ #:hash hash
+ #:recursive? #t
+ #:modules '((guix build git)
+ (guix build utils))
+ #:guile-for-build guile-for-build)))
+
+;;; git-download.scm ends here
M guix/packages.scm => guix/packages.scm +2 -2
@@ 1,5 1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ 106,7 106,7 @@
origin make-origin
origin?
(uri origin-uri) ; string
- (method origin-method) ; symbol
+ (method origin-method) ; procedure
(sha256 origin-sha256) ; bytevector
(file-name origin-file-name (default #f)) ; optional file name
(patches origin-patches (default '())) ; list of file names