revision: implement sparse algorithm

diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 028d5507a6b684208ba82292379ec74bc6628574..909c743c134c5e18e0a80db3eae2dfb6e8210e6a 100755 (executable)
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -1554,13 +1554,15 @@ test_expect_success 'format-patch -o overrides format.outputDirectory' '
 
 test_expect_success 'format-patch --base' '
        git checkout side &&
-       git format-patch --stdout --base=HEAD~3 -1 | tail -n 7 >actual &&
+       git format-patch --stdout --base=HEAD~3 -1 | tail -n 7 >actual1 &&
+       git format-patch --stdout --base=HEAD~3 HEAD~.. | tail -n 7 >actual2 &&
        echo >expected &&
        echo "base-commit: $(git rev-parse HEAD~3)" >>expected &&
        echo "prerequisite-patch-id: $(git show --patch HEAD~2 | git patch-id --stable | awk "{print \$1}")" >>expected &&
        echo "prerequisite-patch-id: $(git show --patch HEAD~1 | git patch-id --stable | awk "{print \$1}")" >>expected &&
        signature >> expected &&
-       test_cmp expected actual
+       test_cmp expected actual1 &&
+       test_cmp expected actual2
 '
 
 test_expect_success 'format-patch --base errors out when base commit is in revision list' '
@@ -1715,4 +1717,38 @@ 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