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author | Ludovic Courtès <ludo@gnu.org> | 2019-09-24 10:11:38 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2019-09-24 10:11:38 +0200 |
commit | 11da634a6e64afa2904542e2174aa2a185f9ac3a (patch) | |
tree | 5aeb8e6bd01761813650067af492b1c336886e34 /guix/tests/git.scm | |
parent | e5efdbce21a0afcbb3e73cc7b59111ccf62cb532 (diff) | |
parent | 7b3f56f5d7f4d2bb936e1579ed442e7f5b080abd (diff) | |
download | guix-patches-11da634a6e64afa2904542e2174aa2a185f9ac3a.tar guix-patches-11da634a6e64afa2904542e2174aa2a185f9ac3a.tar.gz |
Merge branch 'master' into core-updates
Diffstat (limited to 'guix/tests/git.scm')
-rw-r--r-- | guix/tests/git.scm | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/guix/tests/git.scm b/guix/tests/git.scm new file mode 100644 index 0000000000..21573ac14e --- /dev/null +++ b/guix/tests/git.scm @@ -0,0 +1,105 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2019 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 tests git) + #:use-module (git) + #:use-module ((guix git) #:select (with-repository)) + #:use-module (guix utils) + #:use-module (guix build utils) + #:use-module (ice-9 match) + #:use-module (ice-9 control) + #:export (git-command + with-temporary-git-repository + find-commit)) + +(define git-command + (make-parameter "git")) + +(define (populate-git-repository directory directives) + "Initialize a new Git checkout and repository in DIRECTORY and apply +DIRECTIVES. Each element of DIRECTIVES is an sexp like: + + (add \"foo.txt\" \"hi!\") + +Return DIRECTORY on success." + + ;; Note: As of version 0.2.0, Guile-Git lacks the necessary bindings to do + ;; all this, so resort to the "git" command. + (define (git command . args) + (apply invoke (git-command) "-C" directory + command args)) + + (mkdir-p directory) + (git "init") + + (let loop ((directives directives)) + (match directives + (() + directory) + ((('add file contents) rest ...) + (let ((file (string-append directory "/" file))) + (mkdir-p (dirname file)) + (call-with-output-file file + (lambda (port) + (display (if (string? contents) + contents + (with-repository directory repository + (contents repository))) + port))) + (git "add" file) + (loop rest))) + ((('commit text) rest ...) + (git "commit" "-m" text) + (loop rest)) + ((('tag name) rest ...) + (git "tag" name) + (loop rest)) + ((('branch name) rest ...) + (git "branch" name) + (loop rest)) + ((('checkout branch) rest ...) + (git "checkout" branch) + (loop rest)) + ((('merge branch message) rest ...) + (git "merge" branch "-m" message) + (loop rest))))) + +(define (call-with-temporary-git-repository directives proc) + (call-with-temporary-directory + (lambda (directory) + (populate-git-repository directory directives) + (proc directory)))) + +(define-syntax-rule (with-temporary-git-repository directory + directives exp ...) + "Evaluate EXP in a context where DIRECTORY contains a checkout populated as +per DIRECTIVES." + (call-with-temporary-git-repository directives + (lambda (directory) + exp ...))) + +(define (find-commit repository message) + "Return the commit in REPOSITORY whose message includes MESSAGE, a string." + (let/ec return + (fold-commits (lambda (commit _) + (and (string-contains (commit-message commit) + message) + (return commit))) + #f + repository) + (error "commit not found" message))) |