1 files changed, 405 insertions, 0 deletions
diff --git a/t/t3203-branch-output.sh b/t/t3203-branch-output.sh
new file mode 100755
index 0000000..d34d77f
--- /dev/null
+++ b/t/t3203-branch-output.sh
@@ -0,0 +1,405 @@
+#!/bin/sh
+
+test_description='git branch display tests'
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-terminal.sh
+
+test_expect_success 'make commits' '
+	echo content >file &&
+	git add file &&
+	git commit -m one &&
+	git branch -M main &&
+	echo content >>file &&
+	git commit -a -m two
+'
+
+test_expect_success 'make branches' '
+	git branch branch-one &&
+	git branch branch-two HEAD^
+'
+
+test_expect_success 'make remote branches' '
+	git update-ref refs/remotes/origin/branch-one branch-one &&
+	git update-ref refs/remotes/origin/branch-two branch-two &&
+	git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/branch-one
+'
+
+cat >expect <<'EOF'
+  branch-one
+  branch-two
+* main
+EOF
+test_expect_success 'git branch shows local branches' '
+	git branch >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch --list shows local branches' '
+	git branch --list >actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+  branch-one
+  branch-two
+EOF
+test_expect_success 'git branch --list pattern shows matching local branches' '
+	git branch --list branch* >actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+  origin/HEAD -> origin/branch-one
+  origin/branch-one
+  origin/branch-two
+EOF
+test_expect_success 'git branch -r shows remote branches' '
+	git branch -r >actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+  branch-one
+  branch-two
+* main
+  remotes/origin/HEAD -> origin/branch-one
+  remotes/origin/branch-one
+  remotes/origin/branch-two
+EOF
+test_expect_success 'git branch -a shows local and remote branches' '
+	git branch -a >actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+two
+one
+two
+EOF
+test_expect_success 'git branch -v shows branch summaries' '
+	git branch -v >tmp &&
+	awk "{print \$NF}" <tmp >actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<'EOF'
+two
+one
+EOF
+test_expect_success 'git branch --list -v pattern shows branch summaries' '
+	git branch --list -v branch* >tmp &&
+	awk "{print \$NF}" <tmp >actual &&
+	test_cmp expect actual
+'
+test_expect_success 'git branch --ignore-case --list -v pattern shows branch summaries' '
+	git branch --list --ignore-case -v BRANCH* >tmp &&
+	awk "{print \$NF}" <tmp >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch -v pattern does not show branch summaries' '
+	test_must_fail git branch -v branch*
+'
+
+test_expect_success 'git branch `--show-current` shows current branch' '
+	cat >expect <<-\EOF &&
+	branch-two
+	EOF
+	git checkout branch-two &&
+	git branch --show-current >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch `--show-current` is silent when detached HEAD' '
+	git checkout HEAD^0 &&
+	git branch --show-current >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'git branch `--show-current` works properly when tag exists' '
+	cat >expect <<-\EOF &&
+	branch-and-tag-name
+	EOF
+	test_when_finished "
+		git checkout branch-one
+		git branch -D branch-and-tag-name
+	" &&
+	git checkout -b branch-and-tag-name &&
+	test_when_finished "git tag -d branch-and-tag-name" &&
+	git tag branch-and-tag-name &&
+	git branch --show-current >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch `--show-current` works properly with worktrees' '
+	cat >expect <<-\EOF &&
+	branch-one
+	branch-two
+	EOF
+	git checkout branch-one &&
+	test_when_finished "
+		git worktree remove worktree_dir
+	" &&
+	git worktree add worktree_dir branch-two &&
+	{
+		git branch --show-current &&
+		git -C worktree_dir branch --show-current
+	} >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch shows detached HEAD properly' '
+	cat >expect <<EOF &&
+* (HEAD detached at $(git rev-parse --short HEAD^0))
+  branch-one
+  branch-two
+  main
+EOF
+	git checkout HEAD^0 &&
+	git branch >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch shows detached HEAD properly after checkout --detach' '
+	git checkout main &&
+	cat >expect <<EOF &&
+* (HEAD detached at $(git rev-parse --short HEAD^0))
+  branch-one
+  branch-two
+  main
+EOF
+	git checkout --detach &&
+	git branch >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch shows detached HEAD properly after moving' '
+	cat >expect <<EOF &&
+* (HEAD detached from $(git rev-parse --short HEAD))
+  branch-one
+  branch-two
+  main
+EOF
+	git reset --hard HEAD^1 &&
+	git branch >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch shows detached HEAD properly from tag' '
+	cat >expect <<EOF &&
+* (HEAD detached at fromtag)
+  branch-one
+  branch-two
+  main
+EOF
+	git tag fromtag main &&
+	git checkout fromtag &&
+	git branch >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch shows detached HEAD properly after moving from tag' '
+	cat >expect <<EOF &&
+* (HEAD detached from fromtag)
+  branch-one
+  branch-two
+  main
+EOF
+	git reset --hard HEAD^1 &&
+	git branch >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch `--sort=[-]objectsize` option' '
+	cat >expect <<-\EOF &&
+	* (HEAD detached from fromtag)
+	  branch-two
+	  branch-one
+	  main
+	EOF
+	git branch --sort=objectsize >actual &&
+	test_cmp expect actual &&
+
+	cat >expect <<-\EOF &&
+	* (HEAD detached from fromtag)
+	  branch-one
+	  main
+	  branch-two
+	EOF
+	git branch --sort=-objectsize >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch `--sort=[-]type` option' '
+	cat >expect <<-\EOF &&
+	* (HEAD detached from fromtag)
+	  branch-one
+	  branch-two
+	  main
+	EOF
+	git branch --sort=type >actual &&
+	test_cmp expect actual &&
+
+	cat >expect <<-\EOF &&
+	* (HEAD detached from fromtag)
+	  branch-one
+	  branch-two
+	  main
+	EOF
+	git branch --sort=-type >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch `--sort=[-]version:refname` option' '
+	cat >expect <<-\EOF &&
+	* (HEAD detached from fromtag)
+	  branch-one
+	  branch-two
+	  main
+	EOF
+	git branch --sort=version:refname >actual &&
+	test_cmp expect actual &&
+
+	cat >expect <<-\EOF &&
+	* (HEAD detached from fromtag)
+	  main
+	  branch-two
+	  branch-one
+	EOF
+	git branch --sort=-version:refname >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch --points-at option' '
+	cat >expect <<-\EOF &&
+	  branch-one
+	  main
+	EOF
+	git branch --points-at=branch-one >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'ambiguous branch/tag not marked' '
+	git tag ambiguous &&
+	git branch ambiguous &&
+	echo "  ambiguous" >expect &&
+	git branch --list ambiguous >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'local-branch symrefs shortened properly' '
+	git symbolic-ref refs/heads/ref-to-branch refs/heads/branch-one &&
+	git symbolic-ref refs/heads/ref-to-remote refs/remotes/origin/branch-one &&
+	cat >expect <<-\EOF &&
+	  ref-to-branch -> branch-one
+	  ref-to-remote -> origin/branch-one
+	EOF
+	git branch >actual.raw &&
+	grep ref-to <actual.raw >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'sort branches, ignore case' '
+	(
+		git init -b main sort-icase &&
+		cd sort-icase &&
+		test_commit initial &&
+		git branch branch-one &&
+		git branch BRANCH-two &&
+		git branch --list | awk "{print \$NF}" >actual &&
+		cat >expected <<-\EOF &&
+		BRANCH-two
+		branch-one
+		main
+		EOF
+		test_cmp expected actual &&
+		git branch --list -i | awk "{print \$NF}" >actual &&
+		cat >expected <<-\EOF &&
+		branch-one
+		BRANCH-two
+		main
+		EOF
+		test_cmp expected actual
+	)
+'
+
+test_expect_success 'git branch --format option' '
+	cat >expect <<-\EOF &&
+	Refname is (HEAD detached from fromtag)
+	Refname is refs/heads/ambiguous
+	Refname is refs/heads/branch-one
+	Refname is refs/heads/branch-two
+	Refname is refs/heads/main
+	Refname is refs/heads/ref-to-branch
+	Refname is refs/heads/ref-to-remote
+	EOF
+	git branch --format="Refname is %(refname)" >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'git branch with --format=%(rest) must fail' '
+	test_must_fail git branch --format="%(rest)" >actual
+'
+
+test_expect_success 'worktree colors correct' '
+	cat >expect <<-EOF &&
+	* <GREEN>(HEAD detached from fromtag)<RESET>
+	  ambiguous<RESET>
+	  branch-one<RESET>
+	+ <CYAN>branch-two<RESET>
+	  main<RESET>
+	  ref-to-branch<RESET> -> branch-one
+	  ref-to-remote<RESET> -> origin/branch-one
+	EOF
+	git worktree add worktree_dir branch-two &&
+	git branch --color >actual.raw &&
+	rm -r worktree_dir &&
+	git worktree prune &&
+	test_decode_color <actual.raw >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success "set up color tests" '
+	echo "<RED>main<RESET>" >expect.color &&
+	echo "main" >expect.bare &&
+	color_args="--format=%(color:red)%(refname:short) --list main"
+'
+
+test_expect_success '%(color) omitted without tty' '
+	TERM=vt100 git branch $color_args >actual.raw &&
+	test_decode_color <actual.raw >actual &&
+	test_cmp expect.bare actual
+'
+
+test_expect_success TTY '%(color) present with tty' '
+	test_terminal git branch $color_args >actual.raw &&
+	test_decode_color <actual.raw >actual &&
+	test_cmp expect.color actual
+'
+
+test_expect_success '--color overrides auto-color' '
+	git branch --color $color_args >actual.raw &&
+	test_decode_color <actual.raw >actual &&
+	test_cmp expect.color actual
+'
+
+test_expect_success 'verbose output lists worktree path' '
+	one=$(git rev-parse --short HEAD) &&
+	two=$(git rev-parse --short main) &&
+	cat >expect <<-EOF &&
+	* (HEAD detached from fromtag) $one one
+	  ambiguous                    $one one
+	  branch-one                   $two two
+	+ branch-two                   $one ($(pwd)/worktree_dir) one
+	  main                         $two two
+	  ref-to-branch                $two two
+	  ref-to-remote                $two two
+	EOF
+	git worktree add worktree_dir branch-two &&
+	git branch -vv >actual &&
+	rm -r worktree_dir &&
+	git worktree prune &&
+	test_cmp expect actual
+'
+
+test_done