;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2014 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2014 Sree Harsha Totakura <sreeharsha@totakura.in> ;;; ;;; 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 svn) #:use-module (guix build utils) #:export (svn-fetch)) ;;; Commentary: ;;; ;;; This is the build-side support code of (guix svn-download). It allows a ;;; Subversion repository to be cloned and checked out at a specific revision. ;;; ;;; Code: (define* (svn-fetch url revision directory #:key (svn-command "svn") (user-name #f) (password #f)) "Fetch REVISION from URL into DIRECTORY. REVISION must be an integer, and a valid Subversion revision. Return #t on success, #f otherwise." (and (zero? (apply system* svn-command "checkout" "--non-interactive" ;; Trust the server certificate. This is OK as we ;; verify the checksum later. This can be removed when ;; ca-certificates package is added. "--trust-server-cert" "-r" (number->string revision) `(,@(if (and user-name password) (list (string-append "--username=" user-name) (string-append "--password=" password)) '()) ,url ,directory))) (with-directory-excursion directory (begin ;; The contents of '.svn' vary as a function of the current status ;; of the repo. Since we want a fixed output, this directory needs ;; to be taken out. (delete-file-recursively ".svn") #t)))) ;;; svn.scm ends here