git/t/t6120-describe.sh
Jacob Keller 43f8080eaf describe: teach --match to accept multiple patterns
Teach `--match` to be accepted multiple times, accumulating a list of
patterns to match into a string list. Each pattern is inclusive, such
that a tag need only match one of the provided patterns to be
considered for matching.

This extension is useful as it enables more flexibility in what tags
match, and may avoid the need to run the describe command multiple
times to get the same result.

Add tests and update the documentation for this change.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-23 18:33:17 -08:00

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#!/bin/sh
test_description='test describe
B
.--------------o----o----o----x
/ / /
o----o----o----o----o----. /
\ A c /
.------------o---o---o
D,R e
'
. ./test-lib.sh
check_describe () {
expect="$1"
shift
R=$(git describe "$@" 2>err.actual)
S=$?
cat err.actual >&3
test_expect_success "describe $*" '
test $S = 0 &&
case "$R" in
$expect) echo happy ;;
*) echo "Oops - $R is not $expect";
false ;;
esac
'
}
test_expect_success setup '
test_tick &&
echo one >file && git add file && git commit -m initial &&
one=$(git rev-parse HEAD) &&
git describe --always HEAD &&
test_tick &&
echo two >file && git add file && git commit -m second &&
two=$(git rev-parse HEAD) &&
test_tick &&
echo three >file && git add file && git commit -m third &&
test_tick &&
echo A >file && git add file && git commit -m A &&
test_tick &&
git tag -a -m A A &&
test_tick &&
echo c >file && git add file && git commit -m c &&
test_tick &&
git tag c &&
git reset --hard $two &&
test_tick &&
echo B >side && git add side && git commit -m B &&
test_tick &&
git tag -a -m B B &&
test_tick &&
git merge -m Merged c &&
merged=$(git rev-parse HEAD) &&
git reset --hard $two &&
test_tick &&
echo D >another && git add another && git commit -m D &&
test_tick &&
git tag -a -m D D &&
test_tick &&
git tag -a -m R R &&
test_tick &&
echo DD >another && git commit -a -m another &&
test_tick &&
git tag e &&
test_tick &&
echo DDD >another && git commit -a -m "yet another" &&
test_tick &&
git merge -m Merged $merged &&
test_tick &&
echo X >file && echo X >side && git add file side &&
git commit -m x
'
check_describe A-* HEAD
check_describe A-* HEAD^
check_describe R-* HEAD^^
check_describe A-* HEAD^^2
check_describe B HEAD^^2^
check_describe R-* HEAD^^^
check_describe c-* --tags HEAD
check_describe c-* --tags HEAD^
check_describe e-* --tags HEAD^^
check_describe c-* --tags HEAD^^2
check_describe B --tags HEAD^^2^
check_describe e --tags HEAD^^^
check_describe heads/master --all HEAD
check_describe tags/c-* --all HEAD^
check_describe tags/e --all HEAD^^^
check_describe B-0-* --long HEAD^^2^
check_describe A-3-* --long HEAD^^2
check_describe c-7-* --tags
check_describe e-3-* --first-parent --tags
test_expect_success 'describe --contains defaults to HEAD without commit-ish' '
echo "A^0" >expect &&
git checkout A &&
test_when_finished "git checkout -" &&
git describe --contains >actual &&
test_cmp expect actual
'
: >err.expect
check_describe A --all A^0
test_expect_success 'no warning was displayed for A' '
test_cmp err.expect err.actual
'
test_expect_success 'rename tag A to Q locally' '
mv .git/refs/tags/A .git/refs/tags/Q
'
cat - >err.expect <<EOF
warning: tag 'A' is really 'Q' here
EOF
check_describe A-* HEAD
test_expect_success 'warning was displayed for Q' '
test_i18ncmp err.expect err.actual
'
test_expect_success 'rename tag Q back to A' '
mv .git/refs/tags/Q .git/refs/tags/A
'
test_expect_success 'pack tag refs' 'git pack-refs'
check_describe A-* HEAD
check_describe "A-*[0-9a-f]" --dirty
test_expect_success 'set-up dirty work tree' '
echo >>file
'
check_describe "A-*[0-9a-f]-dirty" --dirty
check_describe "A-*[0-9a-f].mod" --dirty=.mod
test_expect_success 'describe --dirty HEAD' '
test_must_fail git describe --dirty HEAD
'
test_expect_success 'set-up matching pattern tests' '
git tag -a -m test-annotated test-annotated &&
echo >>file &&
test_tick &&
git commit -a -m "one more" &&
git tag test1-lightweight &&
echo >>file &&
test_tick &&
git commit -a -m "yet another" &&
git tag test2-lightweight &&
echo >>file &&
test_tick &&
git commit -a -m "even more"
'
check_describe "test-annotated-*" --match="test-*"
check_describe "test1-lightweight-*" --tags --match="test1-*"
check_describe "test2-lightweight-*" --tags --match="test2-*"
check_describe "test2-lightweight-*" --long --tags --match="test2-*" HEAD^
check_describe "test1-lightweight-*" --long --tags --match="test1-*" --match="test2-*" HEAD^
check_describe "test2-lightweight-*" --long --tags --match="test1-*" --no-match --match="test2-*" HEAD^
test_expect_success 'name-rev with exact tags' '
echo A >expect &&
tag_object=$(git rev-parse refs/tags/A) &&
git name-rev --tags --name-only $tag_object >actual &&
test_cmp expect actual &&
echo "A^0" >expect &&
tagged_commit=$(git rev-parse "refs/tags/A^0") &&
git name-rev --tags --name-only $tagged_commit >actual &&
test_cmp expect actual
'
test_expect_success 'describe --contains with the exact tags' '
echo "A^0" >expect &&
tag_object=$(git rev-parse refs/tags/A) &&
git describe --contains $tag_object >actual &&
test_cmp expect actual &&
echo "A^0" >expect &&
tagged_commit=$(git rev-parse "refs/tags/A^0") &&
git describe --contains $tagged_commit >actual &&
test_cmp expect actual
'
test_expect_success 'describe --contains and --match' '
echo "A^0" >expect &&
tagged_commit=$(git rev-parse "refs/tags/A^0") &&
test_must_fail git describe --contains --match="B" $tagged_commit &&
git describe --contains --match="B" --match="A" $tagged_commit >actual &&
test_cmp expect actual
'
test_expect_success 'describe --contains and --no-match' '
echo "A^0" >expect &&
tagged_commit=$(git rev-parse "refs/tags/A^0") &&
git describe --contains --match="B" --no-match $tagged_commit >actual &&
test_cmp expect actual
'
test_done