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Add support for 'cvs-fetch' method in origins.

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* guix/cvs-download.scm, guix/build/cvs.scm: New files.
* Makefile.am (MODULES): Add them.
This commit is contained in:
Mark H Weaver 2015-01-17 22:11:45 -05:00
parent b52af02b5d
commit 89328d240f
3 changed files with 150 additions and 0 deletions
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2
Makefile.am
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@ -60,6 +60,7 @@ MODULES = \
guix/gnupg.scm \
guix/elf.scm \
guix/store.scm \
guix/cvs-download.scm \
guix/svn-download.scm \
guix/ui.scm \
guix/build/download.scm \
@ -76,6 +77,7 @@ MODULES = \
guix/build/union.scm \
guix/build/pull.scm \
guix/build/rpath.scm \
guix/build/cvs.scm \
guix/build/svn.scm \
guix/build/syscalls.scm \
guix/build/emacs-utils.scm \

66
guix/build/cvs.scm Normal file
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@ -0,0 +1,66 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Mark H Weaver <mhw@netris.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 cvs)
#:use-module (guix build utils)
#:use-module (ice-9 regex)
#:use-module (ice-9 ftw)
#:export (cvs-fetch))
;;; Commentary:
;;;
;;; This is the build-side support code of (guix cvs-download). It allows a
;;; CVS repository to be checked out at a specific revision or date.
;;;
;;; Code:
(define (find-cvs-directories)
(define (enter? path st result)
(not (string-suffix? "/CVS" path)))
(define (leaf path st result) result)
(define (down path st result) result)
(define (up path st result) result)
(define (skip path st result)
(if (and (string-suffix? "/CVS" path)
(eqv? 'directory (stat:type st)))
(cons path result)
result))
(define (error path st errno result)
(format (current-error-port) "cvs-fetch: ~a: ~a~%"
path (strerror errno)))
(sort (file-system-fold enter? leaf down up skip error '() "." lstat)
string<?))
(define* (cvs-fetch cvs-root-directory module revision directory
#:key (cvs-command "cvs"))
"Fetch REVISION from MODULE of CVS-ROOT-DIRECTORY into DIRECTORY. REVISION
must either be a date in ISO-8601 format (e.g. \"2012-12-21\") or a CVS tag.
Return #t on success, #f otherwise."
(and (zero? (system* cvs-command "-z3"
"-d" cvs-root-directory
"checkout"
(if (string-match "^[0-9]{4}-[0-9]{2}-[0-9]{2}$" revision)
"-D" "-r")
revision
module))
(rename-file module directory)
(with-directory-excursion directory
(for-each delete-file-recursively (find-cvs-directories)))
#t))
;;; cvs.scm ends here

82
guix/cvs-download.scm Normal file
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@ -0,0 +1,82 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Sree Harsha Totakura <sreeharsha@totakura.in>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.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 cvs-download)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (guix packages)
#:use-module (ice-9 match)
#:export (cvs-reference
cvs-reference?
cvs-reference-url
cvs-reference-revision
cvs-fetch))
;;; Commentary:
;;;
;;; An <origin> method that fetches a specific revision or date from a CVS
;;; repository. The CVS-ROOT-DIRECTORY, MODULE and REVISION are specified
;;; with a <cvs-reference> object. REVISION should be specified as either a
;;; date string in ISO-8601 format (e.g. "2012-12-21") or a CVS tag.
;;;
;;; Code:
(define-record-type* <cvs-reference>
cvs-reference make-cvs-reference
cvs-reference?
(root-directory cvs-reference-root-directory) ; string
(module cvs-reference-module) ; string
(revision cvs-reference-revision)) ; string
(define (cvs-package)
"Return the default CVS package."
(let ((distro (resolve-interface '(gnu packages version-control))))
(module-ref distro 'cvs)))
(define* (cvs-fetch ref hash-algo hash
#:optional name
#:key (system (%current-system)) (guile (default-guile))
(cvs (cvs-package)))
"Return a fixed-output derivation that fetches REF, a <cvs-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 cvs))
(cvs-fetch '#$(cvs-reference-root-directory ref)
'#$(cvs-reference-module ref)
'#$(cvs-reference-revision ref)
#$output
#:cvs-command (string-append #$cvs "/bin/cvs"))))
(mlet %store-monad ((guile (package->derivation guile system)))
(gexp->derivation (or name "cvs-checkout") build
#:system system
#:hash-algo hash-algo
#:hash hash
#:recursive? #t
#:modules '((guix build cvs)
(guix build utils))
#:guile-for-build guile
#:local-build? #t)))
;;; cvs-download.scm ends here