tests: move test_cmp_rev to test-lib-functions

diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh
index 72e28ee5350926f3c4f27e2c99f8323a3eb8e57c..3e0e15fb3e0b92ab7e95789d27db34d9a1fa423c 100755 (executable)
--- a/t/t6030-bisect-porcelain.sh
+++ b/t/t6030-bisect-porcelain.sh
@@ -676,9 +676,7 @@ test_expect_success 'bisect fails if tree is broken on trial commit' '
 check_same()
 {
        echo "Checking $1 is the same as $2" &&
-       git rev-parse "$1" > expected.same &&
-       git rev-parse "$2" > expected.actual &&
-       test_cmp expected.same expected.actual
+       test_cmp_rev "$1" "$2"
 }
 
 test_expect_success 'bisect: --no-checkout - start commit bad' '