format-patch: check that header line has expected format

The format of the "From " header line is very specific to allow utilities to detect Git-style patches. Add a test that the patches created are in the expected format. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

brian m. carlson committed Dec 15, 2015 at 01:52 UTC 06dfc9ebaa154d5074b7afadc2f792a80fba7d0c
1 file changed +7
t/t4014-format-patch.sh
+7
@@ -1438,4 +1438,11 @@ test_expect_success 'format-patch --zero-commit' '
1438 test_cmp expect actual
1439 '
1440
1441 +test_expect_success 'From line has expected format' '
1442 + git format-patch --stdout v2..v1 >patch2 &&
1443 + grep "^From " patch2 >from &&
1444 + grep "^From $_x40 Mon Sep 17 00:00:00 2001$" patch2 >filtered &&
1445 + test_cmp from filtered
1446 +'
1447 +
1448 test_done