1 files changed, 267 insertions, 0 deletions
diff --git a/t/t3201-branch-contains.sh b/t/t3201-branch-contains.sh
new file mode 100755
index 0000000..800fc33
--- /dev/null
+++ b/t/t3201-branch-contains.sh
@@ -0,0 +1,267 @@
+#!/bin/sh
+
+test_description='branch --contains <commit>, --no-contains <commit> --merged, and --no-merged'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	>file &&
+	git add file &&
+	test_tick &&
+	git commit -m initial &&
+	git branch -M main &&
+	git branch side &&
+
+	echo 1 >file &&
+	test_tick &&
+	git commit -a -m "second on main" &&
+
+	git checkout side &&
+	echo 1 >file &&
+	test_tick &&
+	git commit -a -m "second on side" &&
+
+	git merge main
+
+'
+
+test_expect_success 'branch --contains=main' '
+
+	git branch --contains=main >actual &&
+	{
+		echo "  main" && echo "* side"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'branch --contains main' '
+
+	git branch --contains main >actual &&
+	{
+		echo "  main" && echo "* side"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'branch --no-contains=main' '
+
+	git branch --no-contains=main >actual &&
+	test_must_be_empty actual
+
+'
+
+test_expect_success 'branch --no-contains main' '
+
+	git branch --no-contains main >actual &&
+	test_must_be_empty actual
+
+'
+
+test_expect_success 'branch --contains=side' '
+
+	git branch --contains=side >actual &&
+	{
+		echo "* side"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'branch --no-contains=side' '
+
+	git branch --no-contains=side >actual &&
+	{
+		echo "  main"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'branch --contains with pattern implies --list' '
+
+	git branch --contains=main main >actual &&
+	{
+		echo "  main"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'branch --no-contains with pattern implies --list' '
+
+	git branch --no-contains=main main >actual &&
+	test_must_be_empty actual
+
+'
+
+test_expect_success 'side: branch --merged' '
+
+	git branch --merged >actual &&
+	{
+		echo "  main" &&
+		echo "* side"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'branch --merged with pattern implies --list' '
+
+	git branch --merged=side main >actual &&
+	{
+		echo "  main"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'side: branch --no-merged' '
+
+	git branch --no-merged >actual &&
+	test_must_be_empty actual
+
+'
+
+test_expect_success 'main: branch --merged' '
+
+	git checkout main &&
+	git branch --merged >actual &&
+	{
+		echo "* main"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'main: branch --no-merged' '
+
+	git branch --no-merged >actual &&
+	{
+		echo "  side"
+	} >expect &&
+	test_cmp expect actual
+
+'
+
+test_expect_success 'branch --no-merged with pattern implies --list' '
+
+	git branch --no-merged=main main >actual &&
+	test_must_be_empty actual
+
+'
+
+test_expect_success 'implicit --list conflicts with modification options' '
+
+	test_must_fail git branch --contains=main -d &&
+	test_must_fail git branch --contains=main -m foo &&
+	test_must_fail git branch --no-contains=main -d &&
+	test_must_fail git branch --no-contains=main -m foo
+
+'
+
+test_expect_success 'Assert that --contains only works on commits, not trees & blobs' '
+	test_must_fail git branch --contains main^{tree} &&
+	blob=$(git hash-object -w --stdin <<-\EOF
+	Some blob
+	EOF
+	) &&
+	test_must_fail git branch --contains $blob &&
+	test_must_fail git branch --no-contains $blob
+'
+
+test_expect_success 'multiple branch --contains' '
+	git checkout -b side2 main &&
+	>feature &&
+	git add feature &&
+	git commit -m "add feature" &&
+	git checkout -b next main &&
+	git merge side &&
+	git branch --contains side --contains side2 >actual &&
+	cat >expect <<-\EOF &&
+	* next
+	  side
+	  side2
+	EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'multiple branch --merged' '
+	git branch --merged next --merged main >actual &&
+	cat >expect <<-\EOF &&
+	  main
+	* next
+	  side
+	EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'multiple branch --no-contains' '
+	git branch --no-contains side --no-contains side2 >actual &&
+	cat >expect <<-\EOF &&
+	  main
+	EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'multiple branch --no-merged' '
+	git branch --no-merged next --no-merged main >actual &&
+	cat >expect <<-\EOF &&
+	  side2
+	EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'branch --contains combined with --no-contains' '
+	git checkout -b seen main &&
+	git merge side &&
+	git merge side2 &&
+	git branch --contains side --no-contains side2 >actual &&
+	cat >expect <<-\EOF &&
+	  next
+	  side
+	EOF
+	test_cmp expect actual
+'
+
+test_expect_success 'branch --merged combined with --no-merged' '
+	git branch --merged seen --no-merged next >actual &&
+	cat >expect <<-\EOF &&
+	* seen
+	  side2
+	EOF
+	test_cmp expect actual
+'
+
+# We want to set up a case where the walk for the tracking info
+# of one branch crosses the tip of another branch (and make sure
+# that the latter walk does not mess up our flag to see if it was
+# merged).
+#
+# Here "topic" tracks "main" with one extra commit, and "zzz" points to the
+# same tip as main The name "zzz" must come alphabetically after "topic"
+# as we process them in that order.
+test_expect_success 'branch --merged with --verbose' '
+	git branch --track topic main &&
+	git branch zzz topic &&
+	git checkout topic &&
+	test_commit foo &&
+	git branch --merged topic >actual &&
+	cat >expect <<-\EOF &&
+	  main
+	* topic
+	  zzz
+	EOF
+	test_cmp expect actual &&
+	git branch --verbose --merged topic >actual &&
+	cat >expect <<-EOF &&
+	  main  $(git rev-parse --short main) second on main
+	* topic $(git rev-parse --short topic ) [ahead 1] foo
+	  zzz   $(git rev-parse --short zzz   ) second on main
+	EOF
+	test_cmp expect actual
+'
+
+test_done