#!/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 &&
                git config receive.denyCurrentBranch warn &&
                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
        )
}

mk_child() {
        rm -rf "$1" &&
        git clone testrepo "$1"
}

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 'fetch with pushInsteadOf (should not rewrite)' '
        mk_empty &&
        (
                TRASH=$(pwd)/ &&
                cd testrepo &&
                git config "url.trash/.pushInsteadOf" "$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 pushInsteadOf' '
        mk_empty &&
        TRASH="$(pwd)/" &&
        git config "url.$TRASH.pushInsteadOf" 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 pushInsteadOf and explicit pushurl (pushInsteadOf should not rewrite)' '
        mk_empty &&
        TRASH="$(pwd)/" &&
        git config "url.trash2/.pushInsteadOf" trash/ &&
        git config remote.r.url trash/wrong &&
        git config remote.r.pushurl "$TRASH/testrepo" &&
        git push r 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 matching heads on the command line' '

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

'

test_expect_success 'failed (non-fast-forward) push with matching heads' '

        mk_test heads/master &&
        git push testrepo : &&
        git commit --amend -massaged &&
        test_must_fail git push testrepo &&
        check_push_result $the_commit heads/master &&
        git reset --hard $the_commit

'

test_expect_success 'push --force with matching heads' '

        mk_test heads/master &&
        git push testrepo : &&
        git commit --amend -massaged &&
        git push --force testrepo &&
        ! check_push_result $the_commit heads/master &&
        git reset --hard $the_commit

'

test_expect_success 'push with matching heads and forced update' '

        mk_test heads/master &&
        git push testrepo : &&
        git commit --amend -massaged &&
        git push testrepo +: &&
        ! check_push_result $the_commit heads/master &&
        git reset --hard $the_commit

'

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 head with non-existant, incomplete dest' '

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

'

test_expect_success 'push tag with non-existant, incomplete dest' '

        mk_test &&
        git tag -f v1.0 &&
        git push testrepo v1.0:tag &&
        check_push_result $the_commit tags/tag

'

test_expect_success 'push sha1 with non-existant, incomplete dest' '

        mk_test &&
        test_must_fail git push testrepo `git rev-parse master`:foo

'

test_expect_success 'push ref expression with non-existant, incomplete dest' '

        mk_test &&
        test_must_fail git push testrepo master^:branch

'

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^ &&
        test_must_fail 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 HEAD with non-existant, incomplete dest' '

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

'

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 config remote.*.pushurl' '

        mk_test heads/master &&
        git checkout master &&
        git config remote.there.url test2repo &&
        git config remote.there.pushurl testrepo &&
        git push there &&
        check_push_result $the_commit heads/master
'

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

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' '

        mk_test heads/master &&
        mk_child child &&
        (
                cd child &&
                git pull .. master &&
                git push &&
                test $(git rev-parse master) = \
                        $(git rev-parse remotes/origin/master)
        )

'

test_expect_success 'push updates up-to-date local refs' '

        mk_test heads/master &&
        mk_child child1 &&
        mk_child child2 &&
        (cd child1 && git pull .. master && git push) &&
        (
                cd child2 &&
                git pull ../child1 master &&
                git push &&
                test $(git rev-parse master) = \
                        $(git rev-parse remotes/origin/master)
        )

'

test_expect_success 'push preserves up-to-date packed refs' '

        mk_test heads/master &&
        mk_child child &&
        (
                cd child &&
                git push &&
                ! test -f .git/refs/remotes/origin/master
        )

'

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

        mk_test heads/master &&
        mk_child child &&
        mkdir testrepo/.git/hooks &&
        echo "#!/no/frobnication/today" >testrepo/.git/hooks/pre-receive &&
        chmod +x testrepo/.git/hooks/pre-receive &&
        (
                cd child &&
                git pull .. master
                test_must_fail git push &&
                test $(git rev-parse master) != \
                        $(git rev-parse remotes/origin/master)
        )

'

test_expect_success 'allow deleting an invalid remote ref' '

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

'

test_expect_success 'allow deleting a ref using --delete' '
        mk_test heads/master &&
        (cd testrepo && git config receive.denyDeleteCurrent warn) &&
        git push testrepo --delete master &&
        (cd testrepo && test_must_fail git rev-parse --verify refs/heads/master)
'

test_expect_success 'allow deleting a tag using --delete' '
        mk_test heads/master &&
        git tag -a -m dummy_message deltag heads/master &&
        git push testrepo --tags &&
        (cd testrepo && git rev-parse --verify -q refs/tags/deltag) &&
        git push testrepo --delete tag deltag &&
        (cd testrepo && test_must_fail git rev-parse --verify refs/tags/deltag)
'

test_expect_success 'push --delete without args aborts' '
        mk_test heads/master &&
        test_must_fail git push testrepo --delete
'

test_expect_success 'push --delete refuses src:dest refspecs' '
        mk_test heads/master &&
        test_must_fail git push testrepo --delete master:foo
'

test_expect_success 'warn on push to HEAD of non-bare repository' '
        mk_test heads/master
        (
                cd testrepo &&
                git checkout master &&
                git config receive.denyCurrentBranch warn
        ) &&
        git push testrepo master 2>stderr &&
        grep "warning: updating the current branch" stderr
'

test_expect_success 'deny push to HEAD of non-bare repository' '
        mk_test heads/master
        (
                cd testrepo &&
                git checkout master &&
                git config receive.denyCurrentBranch true
        ) &&
        test_must_fail git push testrepo master
'

test_expect_success 'allow push to HEAD of bare repository (bare)' '
        mk_test heads/master
        (
                cd testrepo &&
                git checkout master &&
                git config receive.denyCurrentBranch true &&
                git config core.bare true
        ) &&
        git push testrepo master 2>stderr &&
        ! grep "warning: updating the current branch" stderr
'

test_expect_success 'allow push to HEAD of non-bare repository (config)' '
        mk_test heads/master
        (
                cd testrepo &&
                git checkout master &&
                git config receive.denyCurrentBranch false
        ) &&
        git push testrepo master 2>stderr &&
        ! grep "warning: updating the current branch" stderr
'

test_expect_success 'fetch with branches' '
        mk_empty &&
        git branch second $the_first_commit &&
        git checkout second &&
        echo ".." > testrepo/.git/branches/branch1 &&
        (
                cd testrepo &&
                git fetch branch1 &&
                r=$(git show-ref -s --verify refs/heads/branch1) &&
                test "z$r" = "z$the_commit" &&
                test 1 = $(git for-each-ref refs/heads | wc -l)
        ) &&
        git checkout master
'

test_expect_success 'fetch with branches containing #' '
        mk_empty &&
        echo "..#second" > testrepo/.git/branches/branch2 &&
        (
                cd testrepo &&
                git fetch branch2 &&
                r=$(git show-ref -s --verify refs/heads/branch2) &&
                test "z$r" = "z$the_first_commit" &&
                test 1 = $(git for-each-ref refs/heads | wc -l)
        ) &&
        git checkout master
'

test_expect_success 'push with branches' '
        mk_empty &&
        git checkout second &&
        echo "testrepo" > .git/branches/branch1 &&
        git push branch1 &&
        (
                cd testrepo &&
                r=$(git show-ref -s --verify refs/heads/master) &&
                test "z$r" = "z$the_first_commit" &&
                test 1 = $(git for-each-ref refs/heads | wc -l)
        )
'

test_expect_success 'push with branches containing #' '
        mk_empty &&
        echo "testrepo#branch3" > .git/branches/branch2 &&
        git push branch2 &&
        (
                cd testrepo &&
                r=$(git show-ref -s --verify refs/heads/branch3) &&
                test "z$r" = "z$the_first_commit" &&
                test 1 = $(git for-each-ref refs/heads | wc -l)
        ) &&
        git checkout master
'

test_expect_success 'push into aliased refs (consistent)' '
        mk_test heads/master &&
        mk_child child1 &&
        mk_child child2 &&
        (
                cd child1 &&
                git branch foo &&
                git symbolic-ref refs/heads/bar refs/heads/foo
                git config receive.denyCurrentBranch false
        ) &&
        (
                cd child2 &&
                >path2 &&
                git add path2 &&
                test_tick &&
                git commit -a -m child2 &&
                git branch foo &&
                git branch bar &&
                git push ../child1 foo bar
        )
'

test_expect_success 'push into aliased refs (inconsistent)' '
        mk_test heads/master &&
        mk_child child1 &&
        mk_child child2 &&
        (
                cd child1 &&
                git branch foo &&
                git symbolic-ref refs/heads/bar refs/heads/foo
                git config receive.denyCurrentBranch false
        ) &&
        (
                cd child2 &&
                >path2 &&
                git add path2 &&
                test_tick &&
                git commit -a -m child2 &&
                git branch foo &&
                >path3 &&
                git add path3 &&
                test_tick &&
                git commit -a -m child2 &&
                git branch bar &&
                test_must_fail git push ../child1 foo bar 2>stderr &&
                grep "refusing inconsistent update" stderr
        )
'

test_expect_success 'push --porcelain' '
        mk_empty &&
        echo >.git/foo  "To testrepo" &&
        echo >>.git/foo "*      refs/heads/master:refs/remotes/origin/master    [new branch]"  &&
        echo >>.git/foo "Done" &&
        git push >.git/bar --porcelain  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_cmp .git/foo .git/bar
'

test_expect_success 'push --porcelain bad url' '
        mk_empty &&
        test_must_fail git push >.git/bar --porcelain asdfasdfasd refs/heads/master:refs/remotes/origin/master &&
        test_must_fail grep -q Done .git/bar
'

test_expect_success 'push --porcelain rejected' '
        mk_empty &&
        git push testrepo refs/heads/master:refs/remotes/origin/master &&
        (cd testrepo &&
                git reset --hard origin/master^
                git config receive.denyCurrentBranch true) &&

        echo >.git/foo  "To testrepo"  &&
        echo >>.git/foo "!      refs/heads/master:refs/heads/master     [remote rejected] (branch is currently checked out)" &&

        test_must_fail git push >.git/bar --porcelain  testrepo refs/heads/master:refs/heads/master &&
        test_cmp .git/foo .git/bar
'

test_expect_success 'push --porcelain --dry-run rejected' '
        mk_empty &&
        git push testrepo refs/heads/master:refs/remotes/origin/master &&
        (cd testrepo &&
                git reset --hard origin/master
                git config receive.denyCurrentBranch true) &&

        echo >.git/foo  "To testrepo"  &&
        echo >>.git/foo "!      refs/heads/master^:refs/heads/master    [rejected] (non-fast-forward)" &&
        echo >>.git/foo "Done" &&

        test_must_fail git push >.git/bar --porcelain  --dry-run testrepo refs/heads/master^:refs/heads/master &&
        test_cmp .git/foo .git/bar
'

test_done