This test wants to do

        git -c x.two=2 config --get-regexp ^x\.*

and see x.two that came from the one-shot configuration in its
output.  This form cannot be limited with "--local", as it limits
the input to the local configuration file and makes these one-shot
settings ignored.  At this point, the test knows that there is no
variable that match x.* in its local configuration, and it also was
OK to assume that there is nothing in the system-wide config or
global one.

Make sure that assumption holds by using the GIT_CONFIG_NOSYSTEM
environment, as we may add anything to t/gitconfig-for-test later.

Signed-off-by: Junio C Hamano <>
 t/ | 1 +
 1 file changed, 1 insertion(+)

diff --git a/t/ b/t/
index 940469339bd2..95734034e0d5 100755
--- a/t/
+++ b/t/
@@ -1093,6 +1093,7 @@ test_expect_success 'multiple git -c appends config' ' 1
        x.two 2
        git -c x >actual &&
        test_cmp expect actual

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