Merge branch 'nd/diff-parseopt'

diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 53880da7bbe85521112ced3ff94ead05587c7e81..b6e2fdbc4410f1b8b04586f12bb8806e85a10e8d 100755 (executable)
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -589,6 +589,12 @@ test_expect_success 'excessive subject' '
        ls patches/0004-This-is-an-excessively-long-subject-line-for-a-messa.patch
 '
 
+test_expect_success 'failure to write cover-letter aborts gracefully' '
+       test_when_finished "rmdir 0000-cover-letter.patch" &&
+       mkdir 0000-cover-letter.patch &&
+       test_must_fail git format-patch --no-renames --cover-letter -1
+'
+
 test_expect_success 'cover-letter inherits diff options' '
        git mv file foo &&
        git commit -m foo &&
@@ -1717,4 +1723,38 @@ test_expect_success 'format-patch --pretty=mboxrd' '
        test_cmp expect actual
 '
 
+test_expect_success 'interdiff: setup' '
+       git checkout -b boop master &&
+       test_commit fnorp blorp &&
+       test_commit fleep blorp
+'
+
+test_expect_success 'interdiff: cover-letter' '
+       sed "y/q/ /" >expect <<-\EOF &&
+       +fleep
+       --q
+       EOF
+       git format-patch --cover-letter --interdiff=boop~2 -1 boop &&
+       test_i18ngrep "^Interdiff:$" 0000-cover-letter.patch &&
+       test_i18ngrep ! "^Interdiff:$" 0001-fleep.patch &&
+       sed "1,/^@@ /d; /^-- $/q" <0000-cover-letter.patch >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'interdiff: reroll-count' '
+       git format-patch --cover-letter --interdiff=boop~2 -v2 -1 boop &&
+       test_i18ngrep "^Interdiff ..* v1:$" v2-0000-cover-letter.patch
+'
+
+test_expect_success 'interdiff: solo-patch' '
+       cat >expect <<-\EOF &&
+         +fleep
+
+       EOF
+       git format-patch --interdiff=boop~2 -1 boop &&
+       test_i18ngrep "^Interdiff:$" 0001-fleep.patch &&
+       sed "1,/^  @@ /d; /^$/q" <0001-fleep.patch >actual &&
+       test_cmp expect actual
+'
+
 test_done