#!/bin/sh

test_description='push from/to a shallow clone'

. ./test-lib.sh

commit() {
        echo "$1" >tracked &&
        git add tracked &&
        git commit -m "$1"
}

test_expect_success 'setup' '
        git config --global transfer.fsckObjects true &&
        commit 1 &&
        commit 2 &&
        commit 3 &&
        commit 4 &&
        git clone . full &&
        (
        git init full-abc &&
        cd full-abc &&
        commit a &&
        commit b &&
        commit c
        ) &&
        git clone --no-local --depth=2 .git shallow &&
        git --git-dir=shallow/.git log --format=%s >actual &&
        cat <<EOF >expect &&
4
3
EOF
        test_cmp expect actual &&
        git clone --no-local --depth=2 full-abc/.git shallow2 &&
        git --git-dir=shallow2/.git log --format=%s >actual &&
        cat <<EOF >expect &&
c
b
EOF
        test_cmp expect actual
'

test_expect_success 'push from shallow clone' '
        (
        cd shallow &&
        commit 5 &&
        git push ../.git +master:refs/remotes/shallow/master
        ) &&
        git log --format=%s shallow/master >actual &&
        git fsck &&
        cat <<EOF >expect &&
5
4
3
2
1
EOF
        test_cmp expect actual
'

test_expect_success 'push from shallow clone, with grafted roots' '
        (
        cd shallow2 &&
        test_must_fail git push ../.git +master:refs/remotes/shallow2/master 2>err &&
        grep "shallow2/master.*shallow update not allowed" err
        ) &&
        test_must_fail git rev-parse shallow2/master &&
        git fsck
'

test_expect_success 'add new shallow root with receive.updateshallow on' '
        test_config receive.shallowupdate true &&
        (
        cd shallow2 &&
        git push ../.git +master:refs/remotes/shallow2/master
        ) &&
        git log --format=%s shallow2/master >actual &&
        git fsck &&
        cat <<EOF >expect &&
c
b
EOF
        test_cmp expect actual
'

test_expect_success 'push from shallow to shallow' '
        (
        cd shallow &&
        git --git-dir=../shallow2/.git config receive.shallowupdate true &&
        git push ../shallow2/.git +master:refs/remotes/shallow/master &&
        git --git-dir=../shallow2/.git config receive.shallowupdate false
        ) &&
        (
        cd shallow2 &&
        git log --format=%s shallow/master >actual &&
        git fsck &&
        cat <<EOF >expect &&
5
4
3
EOF
        test_cmp expect actual
        )
'

test_expect_success 'push from full to shallow' '
        ! git --git-dir=shallow2/.git cat-file blob `echo 1|git hash-object --stdin` &&
        commit 1 &&
        git push shallow2/.git +master:refs/remotes/top/master &&
        (
        cd shallow2 &&
        git log --format=%s top/master >actual &&
        git fsck &&
        cat <<EOF >expect &&
1
4
3
EOF
        test_cmp expect actual &&
        git cat-file blob `echo 1|git hash-object --stdin` >/dev/null
        )
'

if test -n "$NO_CURL" -o -z "$GIT_TEST_HTTPD"; then
        say 'skipping remaining tests, git built without http support'
        test_done
fi

. "$TEST_DIRECTORY"/lib-httpd.sh
start_httpd

test_expect_success 'push to shallow repo via http' '
        git clone --bare --no-local shallow "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        (
        cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        git config http.receivepack true
        ) &&
        (
        cd full &&
        commit 9 &&
        git push $HTTPD_URL/smart/repo.git +master:refs/remotes/top/master
        ) &&
        (
        cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        git fsck &&
        git log --format=%s top/master >actual &&
        cat <<EOF >expect &&
9
4
3
EOF
        test_cmp expect actual
        )
'

test_expect_success 'push from shallow repo via http' '
        mv "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" shallow-upstream.git &&
        git clone --bare --no-local full "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        (
        cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        git config http.receivepack true
        ) &&
        commit 10 &&
        git push $HTTPD_URL/smart/repo.git +master:refs/remotes/top/master &&
        (
        cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
        git fsck &&
        git log --format=%s top/master >actual &&
        cat <<EOF >expect &&
10
1
4
3
2
1
EOF
        test_cmp expect actual
        )
'

stop_httpd
test_done