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-rw-r--r--builtin/log.c2
-rwxr-xr-xt/t3206-range-diff.sh14
-rwxr-xr-xt/t4014-format-patch.sh25
3 files changed, 36 insertions, 5 deletions
diff --git a/builtin/log.c b/builtin/log.c
index b8846a9458..21a81c72ac 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -2382,6 +2382,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
if (cover_letter == -1) {
if (cfg.config_cover_letter == COVER_AUTO)
cover_letter = (total > 1);
+ else if ((idiff_prev.nr || rdiff_prev) && (total > 1))
+ cover_letter = (cfg.config_cover_letter != COVER_OFF);
else
cover_letter = (cfg.config_cover_letter == COVER_ON);
}
diff --git a/t/t3206-range-diff.sh b/t/t3206-range-diff.sh
index 7b05bf3961..a767c3520e 100755
--- a/t/t3206-range-diff.sh
+++ b/t/t3206-range-diff.sh
@@ -545,6 +545,20 @@ do
'
done
+test_expect_success "--range-diff implies --cover-letter for multi-patch series" '
+ test_when_finished "rm -f v2-000?-*" &&
+ git format-patch -v2 --range-diff=topic main..unmodified &&
+ test_grep "^Range-diff against v1:$" v2-0000-cover-letter.patch
+'
+
+test_expect_success "explicit --no-cover-letter defeats implied --cover-letter" '
+ test_when_finished "rm -f v2-000?-*" &&
+ test_must_fail git format-patch --no-cover-letter \
+ -v2 --range-diff=topic main..unmodified &&
+ test_must_fail git -c format.coverLetter=no format-patch \
+ -v2 --range-diff=topic main..unmodified
+'
+
test_expect_success 'format-patch --range-diff as commentary' '
git format-patch --range-diff=HEAD~1 HEAD~1 >actual &&
test_when_finished "rm 0001-*" &&
diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index de039825a9..884f83fb8a 100755
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -820,8 +820,8 @@ test_expect_success 'format-patch --notes --signoff' '
'
test_expect_success 'format-patch notes output control' '
+ test_when_finished "git notes remove HEAD || :" &&
git notes add -m "notes config message" HEAD &&
- test_when_finished git notes remove HEAD &&
git format-patch -1 --stdout >out &&
! grep "notes config message" out &&
@@ -848,10 +848,10 @@ test_expect_success 'format-patch notes output control' '
'
test_expect_success 'format-patch with multiple notes refs' '
+ test_when_finished "git notes --ref note1 remove HEAD;
+ git notes --ref note2 remove HEAD || :" &&
git notes --ref note1 add -m "this is note 1" HEAD &&
- test_when_finished git notes --ref note1 remove HEAD &&
git notes --ref note2 add -m "this is note 2" HEAD &&
- test_when_finished git notes --ref note2 remove HEAD &&
git format-patch -1 --stdout >out &&
! grep "this is note 1" out &&
@@ -892,10 +892,10 @@ test_expect_success 'format-patch with multiple notes refs' '
test_expect_success 'format-patch with multiple notes refs in config' '
test_when_finished "test_unconfig format.notes" &&
+ test_when_finished "git notes --ref note1 remove HEAD;
+ git notes --ref note2 remove HEAD || :" &&
git notes --ref note1 add -m "this is note 1" HEAD &&
- test_when_finished git notes --ref note1 remove HEAD &&
git notes --ref note2 add -m "this is note 2" HEAD &&
- test_when_finished git notes --ref note2 remove HEAD &&
git config format.notes note1 &&
git format-patch -1 --stdout >out &&
@@ -2516,6 +2516,21 @@ test_expect_success 'range-diff: solo-patch' '
test_cmp expect actual
'
+test_expect_success 'interdiff: multi-patch, implicit --cover-letter' '
+ test_when_finished "rm -f v23-0*.patch" &&
+ git format-patch --interdiff=boop~2 -2 -v23 &&
+ test_grep "^Interdiff against v22:$" v23-0000-cover-letter.patch &&
+ test_cmp expect actual
+'
+
+test_expect_success 'interdiff: explicit --no-cover-letter defeats implied --cover-letter' '
+ test_when_finished "rm -f v23-0*.patch" &&
+ test_must_fail git format-patch --no-cover-letter \
+ --interdiff=boop~2 -2 -v23 &&
+ test_must_fail git -c format.coverLetter=no format-patch \
+ --interdiff=boop~2 -2 -v23
+'
+
test_expect_success 'format-patch does not respect diff.noprefix' '
git -c diff.noprefix format-patch -1 --stdout >actual &&
grep "^--- a/blorp" actual