1 files changed, 284 insertions, 0 deletions
diff --git a/t/t6007-rev-list-cherry-pick-file.sh b/t/t6007-rev-list-cherry-pick-file.sh
new file mode 100755
index 0000000..6f3e543
--- /dev/null
+++ b/t/t6007-rev-list-cherry-pick-file.sh
@@ -0,0 +1,284 @@
+#!/bin/sh
+
+test_description='test git rev-list --cherry-pick -- file'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+# A---B---D---F
+#  \
+#   \
+#    C---E
+#
+# B changes a file foo.c, adding a line of text.  C changes foo.c as
+# well as bar.c, but the change in foo.c was identical to change B.
+# D and C change bar in the same way, E and F differently.
+
+test_expect_success setup '
+	echo Hallo > foo &&
+	git add foo &&
+	test_tick &&
+	git commit -m "A" &&
+	git tag A &&
+	git checkout -b branch &&
+	echo Bello > foo &&
+	echo Cello > bar &&
+	git add foo bar &&
+	test_tick &&
+	git commit -m "C" &&
+	git tag C &&
+	echo Dello > bar &&
+	git add bar &&
+	test_tick &&
+	git commit -m "E" &&
+	git tag E &&
+	git checkout main &&
+	git checkout branch foo &&
+	test_tick &&
+	git commit -m "B" &&
+	git tag B &&
+	echo Cello > bar &&
+	git add bar &&
+	test_tick &&
+	git commit -m "D" &&
+	git tag D &&
+	echo Nello > bar &&
+	git add bar &&
+	test_tick &&
+	git commit -m "F" &&
+	git tag F
+'
+
+cat >expect <<EOF
+<tags/B
+>tags/C
+EOF
+
+test_expect_success '--left-right' '
+	git rev-list --left-right B...C > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+test_expect_success '--count' '
+	git rev-list --count B...C > actual &&
+	test "$(cat actual)" = 2
+'
+
+test_expect_success '--cherry-pick foo comes up empty' '
+	test -z "$(git rev-list --left-right --cherry-pick B...C -- foo)"
+'
+
+cat >expect <<EOF
+>tags/C
+EOF
+
+test_expect_success '--cherry-pick bar does not come up empty' '
+	git rev-list --left-right --cherry-pick B...C -- bar > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+test_expect_success 'bar does not come up empty' '
+	git rev-list --left-right B...C -- bar > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+cat >expect <<EOF
+<tags/F
+>tags/E
+EOF
+
+test_expect_success '--cherry-pick bar does not come up empty (II)' '
+	git rev-list --left-right --cherry-pick F...E -- bar > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+test_expect_success 'name-rev multiple --refs combine inclusive' '
+	git rev-list --left-right --cherry-pick F...E -- bar >actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/F" --refs="*tags/E" \
+		<actual >actual.named &&
+	test_cmp expect actual.named
+'
+
+cat >expect <<EOF
+<tags/F
+EOF
+
+test_expect_success 'name-rev --refs excludes non-matched patterns' '
+	git rev-list --left-right --right-only --cherry-pick F...E -- bar >>expect &&
+	git rev-list --left-right --cherry-pick F...E -- bar >actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/F" \
+		<actual >actual.named &&
+	test_cmp expect actual.named
+'
+
+cat >expect <<EOF
+<tags/F
+EOF
+
+test_expect_success 'name-rev --exclude excludes matched patterns' '
+	git rev-list --left-right --right-only --cherry-pick F...E -- bar >>expect &&
+	git rev-list --left-right --cherry-pick F...E -- bar >actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" --exclude="*E" \
+		<actual >actual.named &&
+	test_cmp expect actual.named
+'
+
+test_expect_success 'name-rev --no-refs clears the refs list' '
+	git rev-list --left-right --cherry-pick F...E -- bar >expect &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/F" --refs="*tags/E" --no-refs --refs="*tags/G" \
+		<expect >actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<EOF
++tags/F
+=tags/D
++tags/E
+=tags/C
+EOF
+
+test_expect_success '--cherry-mark' '
+	git rev-list --cherry-mark F...E -- bar > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+cat >expect <<EOF
+<tags/F
+=tags/D
+>tags/E
+=tags/C
+EOF
+
+test_expect_success '--cherry-mark --left-right' '
+	git rev-list --cherry-mark --left-right F...E -- bar > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+cat >expect <<EOF
+tags/E
+EOF
+
+test_expect_success '--cherry-pick --right-only' '
+	git rev-list --cherry-pick --right-only F...E -- bar > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+test_expect_success '--cherry-pick --left-only' '
+	git rev-list --cherry-pick --left-only E...F -- bar > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+cat >expect <<EOF
++tags/E
+=tags/C
+EOF
+
+test_expect_success '--cherry' '
+	git rev-list --cherry F...E -- bar > actual &&
+	git name-rev --annotate-stdin --name-only --refs="*tags/*" \
+		< actual > actual.named &&
+	test_cmp expect actual.named
+'
+
+cat >expect <<EOF
+1	1
+EOF
+
+test_expect_success '--cherry --count' '
+	git rev-list --cherry --count F...E -- bar > actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<EOF
+2	2
+EOF
+
+test_expect_success '--cherry-mark --count' '
+	git rev-list --cherry-mark --count F...E -- bar > actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<EOF
+1	1	2
+EOF
+
+test_expect_success '--cherry-mark --left-right --count' '
+	git rev-list --cherry-mark --left-right --count F...E -- bar > actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '--cherry-pick with independent, but identical branches' '
+	git symbolic-ref HEAD refs/heads/independent &&
+	rm .git/index &&
+	echo Hallo > foo &&
+	git add foo &&
+	test_tick &&
+	git commit -m "independent" &&
+	echo Bello > foo &&
+	test_tick &&
+	git commit -m "independent, too" foo &&
+	test -z "$(git rev-list --left-right --cherry-pick \
+		HEAD...main -- foo)"
+'
+
+cat >expect <<EOF
+1	2
+EOF
+
+test_expect_success '--count --left-right' '
+	git rev-list --count --left-right C...D > actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '--cherry-pick with duplicates on each side' '
+	git checkout -b dup-orig &&
+	test_commit dup-base &&
+	git revert dup-base &&
+	git cherry-pick dup-base &&
+	git checkout -b dup-side HEAD~3 &&
+	test_tick &&
+	git cherry-pick -3 dup-orig &&
+	git rev-list --cherry-pick dup-orig...dup-side >actual &&
+	test_must_be_empty actual
+'
+
+# Corrupt the object store deliberately to make sure
+# the object is not even checked for its existence.
+remove_loose_object () {
+	sha1="$(git rev-parse "$1")" &&
+	remainder=${sha1#??} &&
+	firsttwo=${sha1%$remainder} &&
+	rm .git/objects/$firsttwo/$remainder
+}
+
+test_expect_success '--cherry-pick avoids looking at full diffs' '
+	git checkout -b shy-diff &&
+	test_commit dont-look-at-me &&
+	echo Hello >dont-look-at-me.t &&
+	test_tick &&
+	git commit -m tip dont-look-at-me.t &&
+	git checkout -b mainline HEAD^ &&
+	test_commit to-cherry-pick &&
+	remove_loose_object shy-diff^:dont-look-at-me.t &&
+	git rev-list --cherry-pick ...shy-diff
+'
+
+test_done