#!/bin/sh

test_description='test refspec written by clone-command'
. ./test-lib.sh

test_expect_success 'setup' '
        # Make two branches, "master" and "side"
        echo one >file &&
        git add file &&
        git commit -m one &&
        echo two >file &&
        git commit -a -m two &&
        git tag two &&
        echo three >file &&
        git commit -a -m three &&
        git checkout -b side &&
        echo four >file &&
        git commit -a -m four &&
        git checkout master &&
        git tag five &&

        # default clone
        git clone . dir_all &&

        # default clone --no-tags
        git clone --no-tags . dir_all_no_tags &&

        # default --single that follows HEAD=master
        git clone --single-branch . dir_master &&

        # default --single that follows HEAD=master with no tags
        git clone --single-branch --no-tags . dir_master_no_tags &&

        # default --single that follows HEAD=side
        git checkout side &&
        git clone --single-branch . dir_side &&

        # explicit --single that follows side
        git checkout master &&
        git clone --single-branch --branch side . dir_side2 &&

        # default --single with --mirror
        git clone --single-branch --mirror . dir_mirror &&

        # default --single with --branch and --mirror
        git clone --single-branch --mirror --branch side . dir_mirror_side &&

        # --single that does not know what branch to follow
        git checkout two^ &&
        git clone --single-branch . dir_detached &&

        # explicit --single with tag
        git clone --single-branch --branch two . dir_tag &&

        # explicit --single with tag and --no-tags
        git clone --single-branch --no-tags --branch two . dir_tag_no_tags &&

        # advance both "master" and "side" branches
        git checkout side &&
        echo five >file &&
        git commit -a -m five &&
        git checkout master &&
        echo six >file &&
        git commit -a -m six &&

        # update tag
        git tag -d two && git tag two
'

test_expect_success 'by default all branches will be kept updated' '
        (
                cd dir_all &&
                git fetch &&
                git for-each-ref refs/remotes/origin |
                sed -e "/HEAD$/d" \
                    -e "s|/remotes/origin/|/heads/|" >../actual
        ) &&
        # follow both master and side
        git for-each-ref refs/heads >expect &&
        test_cmp expect actual
'

test_expect_success 'by default no tags will be kept updated' '
        (
                cd dir_all &&
                git fetch &&
                git for-each-ref refs/tags >../actual
        ) &&
        git for-each-ref refs/tags >expect &&
        test_must_fail test_cmp expect actual &&
        test_line_count = 2 actual
'

test_expect_success 'clone with --no-tags' '
        (
                cd dir_all_no_tags &&
                git fetch &&
                git for-each-ref refs/tags >../actual
        ) &&
        >expect &&
        test_cmp expect actual
'

test_expect_success '--single-branch while HEAD pointing at master' '
        (
                cd dir_master &&
                git fetch &&
                git for-each-ref refs/remotes/origin |
                sed -e "/HEAD$/d" \
                    -e "s|/remotes/origin/|/heads/|" >../actual
        ) &&
        # only follow master
        git for-each-ref refs/heads/master >expect &&
        # get & check latest tags
        test_cmp expect actual &&
        (
                cd dir_master &&
                git fetch --tags &&
                git for-each-ref refs/tags >../actual
        ) &&
        git for-each-ref refs/tags >expect &&
        test_cmp expect actual &&
        test_line_count = 2 actual
'

test_expect_success '--single-branch while HEAD pointing at master and --no-tags' '
        (
                cd dir_master_no_tags &&
                git fetch &&
                git for-each-ref refs/remotes/origin |
                sed -e "/HEAD$/d" \
                    -e "s|/remotes/origin/|/heads/|" >../actual
        ) &&
        # only follow master
        git for-each-ref refs/heads/master >expect &&
        test_cmp expect actual &&
        # get tags (noop)
        (
                cd dir_master_no_tags &&
                git fetch &&
                git for-each-ref refs/tags >../actual
        ) &&
        >expect &&
        test_cmp expect actual &&
        test_line_count = 0 actual &&
        # get tags with --tags overrides tagOpt
        (
                cd dir_master_no_tags &&
                git fetch --tags &&
                git for-each-ref refs/tags >../actual
        ) &&
        git for-each-ref refs/tags >expect &&
        test_cmp expect actual &&
        test_line_count = 2 actual
'

test_expect_success '--single-branch while HEAD pointing at side' '
        (
                cd dir_side &&
                git fetch &&
                git for-each-ref refs/remotes/origin |
                sed -e "/HEAD$/d" \
                    -e "s|/remotes/origin/|/heads/|" >../actual
        ) &&
        # only follow side
        git for-each-ref refs/heads/side >expect &&
        test_cmp expect actual
'

test_expect_success '--single-branch with explicit --branch side' '
        (
                cd dir_side2 &&
                git fetch &&
                git for-each-ref refs/remotes/origin |
                sed -e "/HEAD$/d" \
                    -e "s|/remotes/origin/|/heads/|" >../actual
        ) &&
        # only follow side
        git for-each-ref refs/heads/side >expect &&
        test_cmp expect actual
'

test_expect_success '--single-branch with explicit --branch with tag fetches updated tag' '
        (
                cd dir_tag &&
                git fetch &&
                git for-each-ref refs/tags >../actual
        ) &&
        git for-each-ref refs/tags >expect &&
        test_cmp expect actual
'

test_expect_success '--single-branch with explicit --branch with tag fetches updated tag despite --no-tags' '
        (
                cd dir_tag_no_tags &&
                git fetch &&
                git for-each-ref refs/tags >../actual
        ) &&
        git for-each-ref refs/tags/two >expect &&
        test_cmp expect actual &&
        test_line_count = 1 actual
'

test_expect_success '--single-branch with --mirror' '
        (
                cd dir_mirror &&
                git fetch &&
                git for-each-ref refs > ../actual
        ) &&
        git for-each-ref refs >expect &&
        test_cmp expect actual
'

test_expect_success '--single-branch with explicit --branch and --mirror' '
        (
                cd dir_mirror_side &&
                git fetch &&
                git for-each-ref refs > ../actual
        ) &&
        git for-each-ref refs >expect &&
        test_cmp expect actual
'

test_expect_success '--single-branch with detached' '
        (
                cd dir_detached &&
                git fetch &&
                git for-each-ref refs/remotes/origin |
                sed -e "/HEAD$/d" \
                    -e "s|/remotes/origin/|/heads/|" >../actual
        ) &&
        # nothing
        >expect &&
        test_cmp expect actual
'

test_done