t/t7500-commit.sh: use test_cmp instead of test

Change commit_msg_is() in t/t7500-commit.sh to use test_cmp instead of
the shell's test function. Now if a test fails we'll get test_cmp
output showing us what failed.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t7500-commit.sh b/t/t7500-commit.sh
index 162527c2114955df2c55db9bf37db59d05fe75f8..d551b77ce6d94acce80069f2197f0169ee59e6d5 100755 (executable)
--- a/t/t7500-commit.sh
+++ b/t/t7500-commit.sh
@@ -10,7 +10,12 @@ Tests for selected commit options.'
 . ./test-lib.sh
 
 commit_msg_is () {
-       test "`git log --pretty=format:%s%b -1`" = "$1"
+       expect=commit_msg_is.expect
+       actual=commit_msg_is.actual
+
+       printf "%s" "$(git log --pretty=format:%s%b -1)" >$expect &&
+       printf "%s" "$1" >$actual &&
+       test_cmp $expect $actual
 }
 
 # A sanity check to see if commit is working at all.