diff options
| -rw-r--r-- | Makefile.am | 2 | ||||
| -rw-r--r-- | guix/build/hg.scm | 51 | ||||
| -rw-r--r-- | guix/hg-download.scm | 84 |
3 files changed, 137 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index 50cde52701..8fd1c1b0b6 100644 --- a/Makefile.am +++ b/Makefile.am @@ -43,6 +43,7 @@ MODULES = \ guix/sets.scm \ guix/download.scm \ guix/git-download.scm \ + guix/hg-download.scm \ guix/monads.scm \ guix/monad-repl.scm \ guix/gexp.scm \ @@ -82,6 +83,7 @@ MODULES = \ guix/build/cmake-build-system.scm \ guix/build/emacs-build-system.scm \ guix/build/git.scm \ + guix/build/hg.scm \ guix/build/glib-or-gtk-build-system.scm \ guix/build/gnu-build-system.scm \ guix/build/gnu-dist.scm \ diff --git a/guix/build/hg.scm b/guix/build/hg.scm new file mode 100644 index 0000000000..ae4574de57 --- /dev/null +++ b/guix/build/hg.scm @@ -0,0 +1,51 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net> +;;; +;;; 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 hg) + #:use-module (guix build utils) + #:export (hg-fetch)) + +;;; Commentary: +;;; +;;; This is the build-side support code of (guix hg-download). It allows a +;;; Mercurial repository to be cloned and checked out at a specific changeset +;;; identifier. +;;; +;;; Code: + +(define* (hg-fetch url changeset directory + #:key (hg-command "hg")) + "Fetch CHANGESET from URL into DIRECTORY. CHANGESET must be a valid +Mercurial changeset identifier. Return #t on success, #f otherwise." + + (and (zero? (system* hg-command + "clone" url + "--rev" changeset + ;; Disable TLS certificate verification. The hash of + ;; the checkout is known in advance anyway. + "--insecure" + directory)) + (with-directory-excursion directory + (begin + ;; The contents of '.hg' vary as a function of the current + ;; status of the Mercurial repo. Since we want a fixed + ;; output, this directory needs to be taken out. + (delete-file-recursively ".hg") + #t)))) + +;;; hg.scm ends here diff --git a/guix/hg-download.scm b/guix/hg-download.scm new file mode 100644 index 0000000000..f3e1d2906a --- /dev/null +++ b/guix/hg-download.scm @@ -0,0 +1,84 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net> +;;; +;;; 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 hg-download) + #:use-module (guix gexp) + #:use-module (guix store) + #:use-module (guix monads) + #:use-module (guix records) + #:use-module (guix packages) + #:autoload (guix build-system gnu) (standard-packages) + #:use-module (ice-9 match) + #:export (hg-reference + hg-reference? + hg-reference-url + hg-reference-changeset + hg-reference-recursive? + + hg-fetch)) + +;;; Commentary: +;;; +;;; An <origin> method that fetches a specific changeset from a Mercurial +;;; repository. The repository URL and changeset ID are specified with a +;;; <hg-reference> object. +;;; +;;; Code: + +(define-record-type* <hg-reference> + hg-reference make-hg-reference + hg-reference? + (url hg-reference-url) + (changeset hg-reference-changeset)) + +(define (hg-package) + "Return the default Mercurial package." + (let ((distro (resolve-interface '(gnu packages version-control)))) + (module-ref distro 'mercurial))) + +(define* (hg-fetch ref hash-algo hash + #:optional name + #:key (system (%current-system)) (guile (default-guile)) + (hg (hg-package))) + "Return a fixed-output derivation that fetches REF, a <hg-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 build + #~(begin + (use-modules (guix build hg) + (guix build utils) + (ice-9 match)) + + (hg-fetch '#$(hg-reference-url ref) + '#$(hg-reference-changeset ref) + #$output + #:hg-command (string-append #+hg "/bin/hg")))) + + (mlet %store-monad ((guile (package->derivation guile system))) + (gexp->derivation (or name "hg-checkout") build + #:system system + #:local-build? #t ;don't offload repo cloning + #:hash-algo hash-algo + #:hash hash + #:recursive? #t + #:modules '((guix build hg) + (guix build utils)) + #:guile-for-build guile))) + +;;; hg-download.scm ends here |