#!/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 side &&

        echo 1 >file &&
        test_tick &&
        git commit -a -m "second on master" &&

        git checkout side &&
        echo 1 >file &&
        test_tick &&
        git commit -a -m "second on side" &&

        git merge master

'

test_expect_success 'branch --contains=master' '

        git branch --contains=master >actual &&
        {
                echo "  master" && echo "* side"
        } >expect &&
        test_cmp expect actual

'

test_expect_success 'branch --contains master' '

        git branch --contains master >actual &&
        {
                echo "  master" && echo "* side"
        } >expect &&
        test_cmp expect actual

'

test_expect_success 'branch --no-contains=master' '

        git branch --no-contains=master >actual &&
        test_must_be_empty actual

'

test_expect_success 'branch --no-contains master' '

        git branch --no-contains master >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 "  master"
        } >expect &&
        test_cmp expect actual

'

test_expect_success 'branch --contains with pattern implies --list' '

        git branch --contains=master master >actual &&
        {
                echo "  master"
        } >expect &&
        test_cmp expect actual

'

test_expect_success 'branch --no-contains with pattern implies --list' '

        git branch --no-contains=master master >actual &&
        test_must_be_empty actual

'

test_expect_success 'side: branch --merged' '

        git branch --merged >actual &&
        {
                echo "  master" &&
                echo "* side"
        } >expect &&
        test_cmp expect actual

'

test_expect_success 'branch --merged with pattern implies --list' '

        git branch --merged=side master >actual &&
        {
                echo "  master"
        } >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 'master: branch --merged' '

        git checkout master &&
        git branch --merged >actual &&
        {
                echo "* master"
        } >expect &&
        test_cmp expect actual

'

test_expect_success 'master: 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=master master >actual &&
        test_must_be_empty actual

'

test_expect_success 'implicit --list conflicts with modification options' '

        test_must_fail git branch --contains=master -d &&
        test_must_fail git branch --contains=master -m foo &&
        test_must_fail git branch --no-contains=master -d &&
        test_must_fail git branch --no-contains=master -m foo

'

test_expect_success 'Assert that --contains only works on commits, not trees & blobs' '
        test_must_fail git branch --contains master^{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
'

# 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 "master" with one extra commit, and "zzz" points to the
# same tip as master 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 master &&
        git branch zzz topic &&
        git checkout topic &&
        test_commit foo &&
        git branch --merged topic >actual &&
        cat >expect <<-\EOF &&
          master
        * topic
          zzz
        EOF
        test_cmp expect actual &&
        git branch --verbose --merged topic >actual &&
        cat >expect <<-EOF &&
          master $(git rev-parse --short master) second on master
        * topic  $(git rev-parse --short topic ) [ahead 1] foo
          zzz    $(git rev-parse --short zzz   ) second on master
        EOF
        test_i18ncmp expect actual
'

test_expect_success 'branch --contains combined with --no-contains' '
        git branch --contains zzz --no-contains topic >actual &&
        cat >expect <<-\EOF &&
          master
          side
          zzz
        EOF
        test_cmp expect actual

'

test_done