git/git

#!/bin/sh

test_description='git p4 label tests'

GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./lib-git-p4.sh

test_expect_success 'start p4d' '
    start_p4d
'

# Basic p4 label import tests.
#
test_expect_success 'basic p4 labels' '
    test_when_finished cleanup_git &&
    (
        cd "$cli" &&
        mkdir -p main &&

        echo f1 >main/f1 &&
        p4 add main/f1 &&
        p4 submit -d "main/f1" &&

        echo f2 >main/f2 &&
        p4 add main/f2 &&
        p4 submit -d "main/f2" &&

        echo f3 >main/file_with_\$metachar &&
        p4 add main/file_with_\$metachar &&
        p4 submit -d "file with metachar" &&

        p4 tag -l TAG_F1_ONLY main/f1 &&
        p4 tag -l TAG_WITH\$_SHELL_CHAR main/... &&
        p4 tag -l this_tag_will_be\ skipped main/... &&

        echo f4 >main/f4 &&
        p4 add main/f4 &&
        p4 submit -d "main/f4" &&

        p4 label -i <<-EOF &&
        Label: TAG_LONG_LABEL
        Description:
           A Label first line
           A Label second line
        View:    //depot/...
        EOF

        p4 tag -l TAG_LONG_LABEL ... &&

        p4 labels ... &&

        git p4 clone --dest="$git" //depot@all &&
        cd "$git" &&
        git config git-p4.labelImportRegexp ".*TAG.*" &&
        git p4 sync --import-labels --verbose &&

        git tag &&
        git tag >taglist &&
        test_line_count = 3 taglist &&

        cd main &&
        git checkout TAG_F1_ONLY &&
        ! test -f f2 &&
        git checkout TAG_WITH\$_SHELL_CHAR &&
        test -f f1 && test -f f2 && test -f file_with_\$metachar &&

        git show TAG_LONG_LABEL | grep -q "A Label second line"
    )
'
# Test some label corner cases:
#
# - two tags on the same file; both should be available
# - a tag that is only on one file; this kind of tag
#   cannot be imported (at least not easily).

test_expect_success 'two labels on the same changelist' '
    test_when_finished cleanup_git &&
    (
        cd "$cli" &&
        mkdir -p main &&

        p4 edit main/f1 main/f2 &&
        echo "hello world" >main/f1 &&
        echo "not in the tag" >main/f2 &&
        p4 submit -d "main/f[12]: testing two labels" &&

        p4 tag -l TAG_F1_1 main/... &&
        p4 tag -l TAG_F1_2 main/... &&

        p4 labels ... &&

        git p4 clone --dest="$git" //depot@all &&
        cd "$git" &&
        git p4 sync --import-labels &&

        git tag | grep TAG_F1 &&
        git tag | grep -q TAG_F1_1 &&
        git tag | grep -q TAG_F1_2 &&

        cd main &&

        git checkout TAG_F1_1 &&
        ls &&
        test -f f1 &&

        git checkout TAG_F1_2 &&
        ls &&
        test -f f1
    )
'

# Export some git tags to p4
test_expect_success 'export git tags to p4' '
    test_when_finished cleanup_git &&
    git p4 clone --dest="$git" //depot@all &&
    (
        cd "$git" &&
        git tag -m "A tag created in git:xyzzy" GIT_TAG_1 &&
        echo "hello world" >main/f10 &&
        git add main/f10 &&
        git commit -m "Adding file for export test" &&
        git config git-p4.skipSubmitEdit true &&
        git p4 submit &&
        git tag -m "Another git tag" GIT_TAG_2 &&
        git tag LIGHTWEIGHT_TAG &&
        git p4 rebase --import-labels --verbose &&
        git p4 submit --export-labels --verbose
    ) &&
    (
        cd "$cli" &&
        p4 sync ... &&
        p4 labels ... | grep GIT_TAG_1 &&
        p4 labels ... | grep GIT_TAG_2 &&
        p4 labels ... | grep LIGHTWEIGHT_TAG &&
        p4 label -o GIT_TAG_1 | grep "tag created in git:xyzzy" &&
        p4 sync ...@GIT_TAG_1 &&
        ! test -f main/f10 &&
        p4 sync ...@GIT_TAG_2 &&
        test -f main/f10
    )
'

# Export a tag from git where an affected file is deleted later on
# Need to create git tags after rebase, since only then can the
# git commits be mapped to p4 changelists.
test_expect_success 'export git tags to p4 with deletion' '
    test_when_finished cleanup_git &&
    git p4 clone --dest="$git" //depot@all &&
    (
        cd "$git" &&
        git p4 sync --import-labels &&
        echo "deleted file" >main/deleted_file &&
        git add main/deleted_file &&
        git commit -m "create deleted file" &&
        git rm main/deleted_file &&
        echo "new file" >main/f11 &&
        git add main/f11 &&
        git commit -m "delete the deleted file" &&
        git config git-p4.skipSubmitEdit true &&
        git p4 submit &&
        git p4 rebase --import-labels --verbose &&
        git tag -m "tag on deleted file" GIT_TAG_ON_DELETED HEAD~1 &&
        git tag -m "tag after deletion" GIT_TAG_AFTER_DELETION HEAD &&
        git p4 submit --export-labels --verbose
    ) &&
    (
        cd "$cli" &&
        p4 sync ... &&
        p4 sync ...@GIT_TAG_ON_DELETED &&
        test -f main/deleted_file &&
        p4 sync ...@GIT_TAG_AFTER_DELETION &&
        ! test -f main/deleted_file &&
        echo "checking label contents" &&
        p4 label -o GIT_TAG_ON_DELETED | grep "tag on deleted file"
    )
'

# Create a tag in git that cannot be exported to p4
test_expect_success 'tag that cannot be exported' '
    test_when_finished cleanup_git &&
    git p4 clone --dest="$git" //depot@all &&
    (
        cd "$git" &&
        git checkout -b a_branch &&
        echo "hello" >main/f12 &&
        git add main/f12 &&
        git commit -m "adding f12" &&
        git tag -m "tag on a_branch" GIT_TAG_ON_A_BRANCH &&
        git checkout main &&
        git p4 submit --export-labels
    ) &&
    (
        cd "$cli" &&
        p4 sync ... &&
        ! p4 labels | grep GIT_TAG_ON_A_BRANCH
    )
'

test_expect_success 'use git config to enable import/export of tags' '
    git p4 clone --verbose --dest="$git" //depot@all &&
    (
        cd "$git" &&
        git config git-p4.exportLabels true &&
        git config git-p4.importLabels true &&
        git tag CFG_A_GIT_TAG &&
        git p4 rebase --verbose &&
        git p4 submit --verbose &&
        git tag &&
        git tag | grep TAG_F1_1
    ) &&
    (
        cd "$cli" &&
        p4 labels &&
        p4 labels | grep CFG_A_GIT_TAG
    )
'

p4_head_revision() {
    p4 changes -m 1 "$@" | awk '{print $2}'
}

# Importing a label that references a P4 commit that
# has not been seen. The presence of a label on a commit
# we haven't seen should not cause git-p4 to fail. It should
# merely skip that label, and still import other labels.
test_expect_success 'importing labels with missing revisions' '
    test_when_finished cleanup_git &&
    (
        rm -fr "$cli" "$git" &&
        mkdir "$cli" &&
        P4CLIENT=missing-revision &&
        client_view "//depot/missing-revision/... //missing-revision/..." &&
        cd "$cli" &&
        >f1 && p4 add f1 && p4 submit -d "start" &&

        p4 tag -l TAG_S0 ... &&

        >f2 && p4 add f2 && p4 submit -d "second" &&

        startrev=$(p4_head_revision //depot/missing-revision/...) &&

        >f3 && p4 add f3 && p4 submit -d "third" &&

        p4 edit f2 && date >f2 && p4 submit -d "change" f2 &&

        endrev=$(p4_head_revision //depot/missing-revision/...) &&

        p4 tag -l TAG_S1 ... &&

        # we should skip TAG_S0 since it is before our startpoint,
        # but pick up TAG_S1.

        git p4 clone --dest="$git" --import-labels -v \
            //depot/missing-revision/...@$startrev,$endrev &&
        (
            cd "$git" &&
            git rev-parse TAG_S1 &&
            ! git rev-parse TAG_S0
        )
    )
'

test_done