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test-lib-functions: support "test_config -C <dir> ..."

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If used in a subshell, test_config cannot unset variables at the end of
a test.  This is a problem when testing submodules because we do not
want to "cd" at to top level of a test script in order to run the
command inside the submodule.

Add a "-C" option to test_config (and test_unconfig) so that test_config
can be kept outside subshells and still affect subrepositories.

Signed-off-by: John Keeping <john@keeping.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
John Keeping 2015-09-05 14:12:47 +01:00 committed by Junio C Hamano
parent c545bc6266
commit 5fafc07fca
1 changed files with 17 additions and 3 deletions
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20
t/test-lib-functions.sh
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@ -201,7 +201,14 @@ test_chmod () {
# Unset a configuration variable, but don't fail if it doesn't exist.
test_unconfig () {
git config --unset-all "$@"
config_dir=
if test "$1" = -C
then
shift
config_dir=$1
shift
fi
git ${config_dir:+-C "$config_dir"} config --unset-all "$@"
config_status=$?
case "$config_status" in
5) # ok, nothing to unset
@ -213,8 +220,15 @@ test_unconfig () {
# Set git config, automatically unsetting it after the test is over.
test_config () {
test_when_finished "test_unconfig '$1'" &&
git config "$@"
config_dir=
if test "$1" = -C
then
shift
config_dir=$1
shift
fi
test_when_finished "test_unconfig ${config_dir:+-C '$config_dir'} '$1'" &&
git ${config_dir:+-C "$config_dir"} config "$@"
}
test_config_global () {