#!/bin/sh

test_description='fetching and pushing, with or without wildcard'

. ./test-lib.sh

D=`pwd`

mk_empty () {
        rm -fr testrepo &&
        mkdir testrepo &&
        (
                cd testrepo &&
                git init &&
                mv .git/hooks .git/hooks-disabled
        )
}

mk_test () {
        mk_empty &&
        (
                for ref in "$@"
                do
                        git push testrepo $the_first_commit:refs/$ref || {
                                echo "Oops, push refs/$ref failure"
                                exit 1
                        }
                done &&
                cd testrepo &&
                for ref in "$@"
                do
                        r=$(git show-ref -s --verify refs/$ref) &&
                        test "z$r" = "z$the_first_commit" || {
                                echo "Oops, refs/$ref is wrong"
                                exit 1
                        }
                done &&
                git fsck --full
        )
}

check_push_result () {
        (
                cd testrepo &&
                it="$1" &&
                shift
                for ref in "$@"
                do
                        r=$(git show-ref -s --verify refs/$ref) &&
                        test "z$r" = "z$it" || {
                                echo "Oops, refs/$ref is wrong"
                                exit 1
                        }
                done &&
                git fsck --full
        )
}

test_expect_success setup '

        : >path1 &&
        git add path1 &&
        test_tick &&
        git commit -a -m repo &&
        the_first_commit=$(git show-ref -s --verify refs/heads/master) &&

        : >path2 &&
        git add path2 &&
        test_tick &&
        git commit -a -m second &&
        the_commit=$(git show-ref -s --verify refs/heads/master)

'

test_expect_success 'fetch without wildcard' '
        mk_empty &&
        (
                cd testrepo &&
                git fetch .. refs/heads/master:refs/remotes/origin/master &&

                r=$(git show-ref -s --verify refs/remotes/origin/master) &&
                test "z$r" = "z$the_commit" &&

                test 1 = $(git for-each-ref refs/remotes/origin | wc -l)
        )
'

test_expect_success 'fetch with wildcard' '
        mk_empty &&
        (
                cd testrepo &&
                git config remote.up.url .. &&
                git config remote.up.fetch "refs/heads/*:refs/remotes/origin/*" &&
                git fetch up &&

                r=$(git show-ref -s --verify refs/remotes/origin/master) &&
                test "z$r" = "z$the_commit" &&

                test 1 = $(git for-each-ref refs/remotes/origin | wc -l)
        )
'

test_expect_success 'fetch with insteadOf' '
        mk_empty &&
        (
                TRASH=$(pwd)/ &&
                cd testrepo &&
                git config url.$TRASH.insteadOf trash/
                git config remote.up.url trash/. &&
                git config remote.up.fetch "refs/heads/*:refs/remotes/origin/*" &&
                git fetch up &&

                r=$(git show-ref -s --verify refs/remotes/origin/master) &&
                test "z$r" = "z$the_commit" &&

                test 1 = $(git for-each-ref refs/remotes/origin | wc -l)
        )
'

test_expect_success 'push without wildcard' '
        mk_empty &&

        git push testrepo refs/heads/master:refs/remotes/origin/master &&
        (
                cd testrepo &&
                r=$(git show-ref -s --verify refs/remotes/origin/master) &&
                test "z$r" = "z$the_commit" &&

                test 1 = $(git for-each-ref refs/remotes/origin | wc -l)
        )
'

test_expect_success 'push with wildcard' '
        mk_empty &&

        git push testrepo "refs/heads/*:refs/remotes/origin/*" &&
        (
                cd testrepo &&
                r=$(git show-ref -s --verify refs/remotes/origin/master) &&
                test "z$r" = "z$the_commit" &&

                test 1 = $(git for-each-ref refs/remotes/origin | wc -l)
        )
'

test_expect_success 'push with insteadOf' '
        mk_empty &&
        TRASH=$(pwd)/ &&
        git config url.$TRASH.insteadOf trash/ &&
        git push trash/testrepo refs/heads/master:refs/remotes/origin/master &&
        (
                cd testrepo &&
                r=$(git show-ref -s --verify refs/remotes/origin/master) &&
                test "z$r" = "z$the_commit" &&

                test 1 = $(git for-each-ref refs/remotes/origin | wc -l)
        )
'

test_expect_success 'push with matching heads' '

        mk_test heads/master &&
        git push testrepo &&
        check_push_result $the_commit heads/master

'

test_expect_success 'push with no ambiguity (1)' '

        mk_test heads/master &&
        git push testrepo master:master &&
        check_push_result $the_commit heads/master

'

test_expect_success 'push with no ambiguity (2)' '

        mk_test remotes/origin/master &&
        git push testrepo master:origin/master &&
        check_push_result $the_commit remotes/origin/master

'

test_expect_success 'push with colon-less refspec, no ambiguity' '

        mk_test heads/master heads/t/master &&
        git branch -f t/master master &&
        git push testrepo master &&
        check_push_result $the_commit heads/master &&
        check_push_result $the_first_commit heads/t/master

'

test_expect_success 'push with weak ambiguity (1)' '

        mk_test heads/master remotes/origin/master &&
        git push testrepo master:master &&
        check_push_result $the_commit heads/master &&
        check_push_result $the_first_commit remotes/origin/master

'

test_expect_success 'push with weak ambiguity (2)' '

        mk_test heads/master remotes/origin/master remotes/another/master &&
        git push testrepo master:master &&
        check_push_result $the_commit heads/master &&
        check_push_result $the_first_commit remotes/origin/master remotes/another/master

'

test_expect_success 'push with ambiguity' '

        mk_test heads/frotz tags/frotz &&
        if git push testrepo master:frotz
        then
                echo "Oops, should have failed"
                false
        else
                check_push_result $the_first_commit heads/frotz tags/frotz
        fi

'

test_expect_success 'push with colon-less refspec (1)' '

        mk_test heads/frotz tags/frotz &&
        git branch -f frotz master &&
        git push testrepo frotz &&
        check_push_result $the_commit heads/frotz &&
        check_push_result $the_first_commit tags/frotz

'

test_expect_success 'push with colon-less refspec (2)' '

        mk_test heads/frotz tags/frotz &&
        if git show-ref --verify -q refs/heads/frotz
        then
                git branch -D frotz
        fi &&
        git tag -f frotz &&
        git push testrepo frotz &&
        check_push_result $the_commit tags/frotz &&
        check_push_result $the_first_commit heads/frotz

'

test_expect_success 'push with colon-less refspec (3)' '

        mk_test &&
        if git show-ref --verify -q refs/tags/frotz
        then
                git tag -d frotz
        fi &&
        git branch -f frotz master &&
        git push testrepo frotz &&
        check_push_result $the_commit heads/frotz &&
        test 1 = $( cd testrepo && git show-ref | wc -l )
'

test_expect_success 'push with colon-less refspec (4)' '

        mk_test &&
        if git show-ref --verify -q refs/heads/frotz
        then
                git branch -D frotz
        fi &&
        git tag -f frotz &&
        git push testrepo frotz &&
        check_push_result $the_commit tags/frotz &&
        test 1 = $( cd testrepo && git show-ref | wc -l )

'

test_expect_success 'push with HEAD' '

        mk_test heads/master &&
        git checkout master &&
        git push testrepo HEAD &&
        check_push_result $the_commit heads/master

'

test_expect_success 'push with HEAD nonexisting at remote' '

        mk_test heads/master &&
        git checkout -b local master &&
        git push testrepo HEAD &&
        check_push_result $the_commit heads/local
'

test_expect_success 'push with +HEAD' '

        mk_test heads/master &&
        git checkout master &&
        git branch -D local &&
        git checkout -b local &&
        git push testrepo master local &&
        check_push_result $the_commit heads/master &&
        check_push_result $the_commit heads/local &&

        # Without force rewinding should fail
        git reset --hard HEAD^ &&
        ! git push testrepo HEAD &&
        check_push_result $the_commit heads/local &&

        # With force rewinding should succeed
        git push testrepo +HEAD &&
        check_push_result $the_first_commit heads/local

'

test_expect_success 'push with config remote.*.push = HEAD' '

        mk_test heads/local &&
        git checkout master &&
        git branch -f local $the_commit &&
        (
                cd testrepo &&
                git checkout local &&
                git reset --hard $the_first_commit
        ) &&
        git config remote.there.url testrepo &&
        git config remote.there.push HEAD &&
        git config branch.master.remote there &&
        git push &&
        check_push_result $the_commit heads/master &&
        check_push_result $the_first_commit heads/local
'

# clean up the cruft left with the previous one
git config --remove-section remote.there
git config --remove-section branch.master

test_expect_success 'push with dry-run' '

        mk_test heads/master &&
        (cd testrepo &&
         old_commit=$(git show-ref -s --verify refs/heads/master)) &&
        git push --dry-run testrepo &&
        check_push_result $old_commit heads/master
'

test_expect_success 'push updates local refs' '

        rm -rf parent child &&
        mkdir parent &&
        (cd parent && git init &&
                echo one >foo && git add foo && git commit -m one) &&
        git clone parent child &&
        (cd child &&
                echo two >foo && git commit -a -m two &&
                git push &&
        test $(git rev-parse master) = $(git rev-parse remotes/origin/master))

'

test_expect_success 'push does not update local refs on failure' '

        rm -rf parent child &&
        mkdir parent &&
        (cd parent && git init &&
                echo one >foo && git add foo && git commit -m one &&
                echo exit 1 >.git/hooks/pre-receive &&
                chmod +x .git/hooks/pre-receive) &&
        git clone parent child &&
        (cd child &&
                echo two >foo && git commit -a -m two &&
                ! git push &&
                test $(git rev-parse master) != \
                        $(git rev-parse remotes/origin/master))

'

test_expect_success 'allow deleting an invalid remote ref' '

        pwd &&
        rm -f testrepo/.git/objects/??/* &&
        git push testrepo :refs/heads/master &&
        (cd testrepo && ! git rev-parse --verify refs/heads/master)

'

test_done