#!/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 &&
        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
* master
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
* master
  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 &&
        git worktree add worktree_dir branch-two &&
        {
                git branch --show-current &&
                git -C worktree_dir branch --show-current
        } >actual &&
        rm -r worktree_dir &&
        git worktree prune &&
        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
  master
EOF
        git checkout HEAD^0 &&
        git branch >actual &&
        test_i18ncmp expect actual
'

test_expect_success 'git branch shows detached HEAD properly after checkout --detach' '
        git checkout master &&
        cat >expect <<EOF &&
* (HEAD detached at $(git rev-parse --short HEAD^0))
  branch-one
  branch-two
  master
EOF
        git checkout --detach &&
        git branch >actual &&
        test_i18ncmp 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
  master
EOF
        git reset --hard HEAD^1 &&
        git branch >actual &&
        test_i18ncmp expect actual
'

test_expect_success 'git branch shows detached HEAD properly from tag' '
        cat >expect <<EOF &&
* (HEAD detached at fromtag)
  branch-one
  branch-two
  master
EOF
        git tag fromtag master &&
        git checkout fromtag &&
        git branch >actual &&
        test_i18ncmp 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
  master
EOF
        git reset --hard HEAD^1 &&
        git branch >actual &&
        test_i18ncmp expect actual
'

test_expect_success 'git branch `--sort` option' '
        cat >expect <<-\EOF &&
        * (HEAD detached from fromtag)
          branch-two
          branch-one
          master
        EOF
        git branch --sort=objectsize >actual &&
        test_i18ncmp expect actual
'

test_expect_success 'git branch --points-at option' '
        cat >expect <<-\EOF &&
          branch-one
          master
        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 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
                master
                EOF
                test_cmp expected actual &&
                git branch --list -i | awk "{print \$NF}" >actual &&
                cat >expected <<-\EOF &&
                branch-one
                BRANCH-two
                master
                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/master
        Refname is refs/heads/ref-to-branch
        Refname is refs/heads/ref-to-remote
        EOF
        git branch --format="Refname is %(refname)" >actual &&
        test_i18ncmp expect 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>
          master<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_i18ncmp expect actual
'

test_expect_success "set up color tests" '
        echo "<RED>master<RESET>" >expect.color &&
        echo "master" >expect.bare &&
        color_args="--format=%(color:red)%(refname:short) --list master"
'

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_done