[PATCH v3 2/7] test-lib-functions: add test_cmp_sorted

["Derrick Stolee via GitGitGadget" <gitgitgadget@gmail.com>]

From: Derrick Stolee <stolee@gmail.com>

This test helper will be helpful to reduce repeated logic in
t6601-path-walk.sh, but may be helpful elsewhere, too.

Signed-off-by: Derrick Stolee <stolee@gmail.com>
---
 t/test-lib-functions.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index fde9bf54fc3..16b70aebd60 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -1267,6 +1267,16 @@ test_cmp () {
 	eval "$GIT_TEST_CMP" '"$@"'
 }
 
+# test_cmp_sorted runs test_cmp on sorted versions of the two
+# input files. Uses "$1.sorted" and "$2.sorted" as temp files.
+
+test_cmp_sorted () {
+	sort <"$1" >"$1.sorted" &&
+	sort <"$2" >"$2.sorted" &&
+	test_cmp "$1.sorted" "$2.sorted" &&
+	rm "$1.sorted" "$2.sorted"
+}
+
 # Check that the given config key has the expected value.
 #
 #    test_cmp_config [-C <dir>] <expected-value>
-- 
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