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authorLudovic Courtès <ludo@gnu.org>2020-04-19 13:16:52 +0200
committerLudovic Courtès <ludo@gnu.org>2020-04-19 13:27:06 +0200
commit3c91f003416c9fb79af2dc8766a7f449aa03f839 (patch)
treed3de0b084333922f70ef4f85c1c8ca11f77f0543
parent0639a24038bb1c66db7b82c08e4cc3bf7012aa0a (diff)
downloadguix-3c91f003416c9fb79af2dc8766a7f449aa03f839.tar
guix-3c91f003416c9fb79af2dc8766a7f449aa03f839.tar.gz
tests: Invoke 'git' with a custom '.gitconfig' and ignore the system config.
Fixes <https://bugs.gnu.org/37679>. Reported by Gábor Boskovits <boskovits@gmail.com>. * guix/tests/git.scm (call-with-environment-variables): New procedure. (with-environment-variables): New macro. (populate-git-repository)[git]: Wrap (git-command) invocation in 'call-with-temporary-directory' and 'with-environment-variables'.
-rw-r--r--guix/tests/git.scm37
1 files changed, 34 insertions, 3 deletions
diff --git a/guix/tests/git.scm b/guix/tests/git.scm
index 21573ac14e..566660e85e 100644
--- a/guix/tests/git.scm
+++ b/guix/tests/git.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -30,6 +30,24 @@
(define git-command
(make-parameter "git"))
+(define (call-with-environment-variables variables thunk)
+ "Call THUNK with the environment VARIABLES set."
+ (let ((environment (environ)))
+ (dynamic-wind
+ (lambda ()
+ (for-each (match-lambda
+ ((variable value)
+ (setenv variable value)))
+ variables))
+ thunk
+ (lambda ()
+ (environ environment)))))
+
+(define-syntax-rule (with-environment-variables variables exp ...)
+ "Evaluate EXP with the given environment VARIABLES set."
+ (call-with-environment-variables variables
+ (lambda () exp ...)))
+
(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:
@@ -41,8 +59,21 @@ 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))
+ ;; Make sure Git doesn't rely on the user's config.
+ (call-with-temporary-directory
+ (lambda (home)
+ (call-with-output-file (string-append home "/.gitconfig")
+ (lambda (port)
+ (display "[user]
+ email = charlie@example.org\n name = Charlie Guix\n"
+ port)))
+
+ (with-environment-variables
+ `(("GIT_CONFIG_NOSYSTEM" "1")
+ ("GIT_ATTR_NOSYSTEM" "1")
+ ("HOME" ,home))
+ (apply invoke (git-command) "-C" directory
+ command args)))))
(mkdir-p directory)
(git "init")