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https://github.com/git/git
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c95ae3ff9c
Since 2c33f75754 (Teach git-describe --exact-match to avoid expensive
tag searches, 2008-02-24) git describe accepts --no-exact-match, but it
does the same as --exact-match, an alias for --candidates=0. That's
because it's defined using OPT_SET_INT with a value of 0, which sets 0
when negated as well.
Let --no-exact-match set the number of candidates to the default value
instead. Users that need a more specific lack of exactitude can specify
their preferred value using --candidates, as before.
The "--no-exact-match" option was not covered in the tests, so let's
add a few. Also add a case where --exact-match option is used on a
commit that cannot be described without distance from tags and make
sure the command fails.
Signed-off-by: René Scharfe <l.s.r@web.de>
[jc: added trivial tests]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
674 lines
18 KiB
Bash
Executable file
674 lines
18 KiB
Bash
Executable file
#!/bin/sh
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test_description='test describe'
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# o---o-----o----o----o-------o----x
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# \ D,R e /
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# \---o-------------o-'
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# \ B /
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# `-o----o----o-'
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# A c
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#
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# First parent of a merge commit is on the same line, second parent below.
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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check_describe () {
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indir= &&
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while test $# != 0
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do
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case "$1" in
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-C)
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indir="$2"
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shift
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;;
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*)
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break
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;;
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esac
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shift
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done &&
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indir=${indir:+"$indir"/} &&
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expect="$1"
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shift
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describe_opts="$@"
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test_expect_success "describe $describe_opts" '
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git ${indir:+ -C "$indir"} describe $describe_opts >raw &&
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sed -e "s/-g[0-9a-f]*\$/-gHASH/" <raw >actual &&
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echo "$expect" >expect &&
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test_cmp expect actual
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'
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}
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test_expect_success setup '
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test_commit initial file one &&
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test_commit second file two &&
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test_commit third file three &&
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test_commit --annotate A file A &&
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test_commit c file c &&
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git reset --hard second &&
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test_commit --annotate B side B &&
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test_tick &&
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git merge -m Merged c &&
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merged=$(git rev-parse HEAD) &&
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git reset --hard second &&
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test_commit --no-tag D another D &&
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test_tick &&
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git tag -a -m R R &&
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test_commit e another DD &&
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test_commit --no-tag "yet another" another DDD &&
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test_tick &&
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git merge -m Merged $merged &&
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test_commit --no-tag x file
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'
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check_describe A-8-gHASH HEAD
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check_describe A-7-gHASH HEAD^
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check_describe R-2-gHASH HEAD^^
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check_describe A-3-gHASH HEAD^^2
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check_describe B HEAD^^2^
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check_describe R-1-gHASH HEAD^^^
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check_describe c-7-gHASH --tags HEAD
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check_describe c-6-gHASH --tags HEAD^
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check_describe e-1-gHASH --tags HEAD^^
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check_describe c-2-gHASH --tags HEAD^^2
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check_describe B --tags HEAD^^2^
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check_describe e --tags HEAD^^^
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check_describe e --tags --exact-match HEAD^^^
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check_describe heads/main --all HEAD
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check_describe tags/c-6-gHASH --all HEAD^
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check_describe tags/e --all HEAD^^^
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check_describe B-0-gHASH --long HEAD^^2^
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check_describe A-3-gHASH --long HEAD^^2
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check_describe c-7-gHASH --tags
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check_describe e-3-gHASH --first-parent --tags
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check_describe c-7-gHASH --tags --no-exact-match HEAD
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check_describe e-3-gHASH --first-parent --tags --no-exact-match HEAD
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test_expect_success '--exact-match failure' '
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test_must_fail git describe --exact-match HEAD 2>err
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'
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test_expect_success 'describe --contains defaults to HEAD without commit-ish' '
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echo "A^0" >expect &&
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git checkout A &&
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test_when_finished "git checkout -" &&
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git describe --contains >actual &&
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test_cmp expect actual
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'
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check_describe tags/A --all A^0
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test_expect_success 'renaming tag A to Q locally produces a warning' "
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git update-ref refs/tags/Q $(git rev-parse refs/tags/A) &&
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git update-ref -d refs/tags/A &&
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git describe HEAD 2>err >out &&
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cat >expected <<-\EOF &&
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warning: tag 'Q' is externally known as 'A'
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EOF
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test_cmp expected err &&
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grep -E '^A-8-g[0-9a-f]+$' out
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"
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test_expect_success 'misnamed annotated tag forces long output' '
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description=$(git describe --no-long Q^0) &&
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expr "$description" : "A-0-g[0-9a-f]*$" &&
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git rev-parse --verify "$description" >actual &&
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git rev-parse --verify Q^0 >expect &&
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test_cmp expect actual
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'
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test_expect_success 'abbrev=0 will not break misplaced tag (1)' '
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description=$(git describe --abbrev=0 Q^0) &&
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expr "$description" : "A-0-g[0-9a-f]*$"
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'
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test_expect_success 'abbrev=0 will not break misplaced tag (2)' '
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description=$(git describe --abbrev=0 c^0) &&
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expr "$description" : "A-1-g[0-9a-f]*$"
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'
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test_expect_success 'rename tag Q back to A' '
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git update-ref refs/tags/A $(git rev-parse refs/tags/Q) &&
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git update-ref -d refs/tags/Q
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'
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test_expect_success 'pack tag refs' 'git pack-refs'
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check_describe A-8-gHASH HEAD
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test_expect_success 'describe works from outside repo using --git-dir' '
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git clone --bare "$TRASH_DIRECTORY" "$TRASH_DIRECTORY/bare" &&
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git --git-dir "$TRASH_DIRECTORY/bare" describe >out &&
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grep -E "^A-8-g[0-9a-f]+$" out
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'
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check_describe "A-8-gHASH" --dirty
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test_expect_success 'describe --dirty with --work-tree' '
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(
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cd "$TEST_DIRECTORY" &&
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git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
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) &&
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grep -E "^A-8-g[0-9a-f]+$" out
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'
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test_expect_success 'set-up dirty work tree' '
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echo >>file
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'
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test_expect_success 'describe --dirty with --work-tree (dirty)' '
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git describe --dirty >expected &&
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(
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cd "$TEST_DIRECTORY" &&
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git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
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) &&
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grep -E "^A-8-g[0-9a-f]+-dirty$" out &&
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test_cmp expected out
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'
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test_expect_success 'describe --dirty=.mod with --work-tree (dirty)' '
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git describe --dirty=.mod >expected &&
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(
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cd "$TEST_DIRECTORY" &&
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git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty=.mod >"$TRASH_DIRECTORY/out"
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) &&
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grep -E "^A-8-g[0-9a-f]+.mod$" out &&
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test_cmp expected out
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'
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test_expect_success 'describe --dirty HEAD' '
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test_must_fail git describe --dirty HEAD
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'
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test_expect_success 'set-up matching pattern tests' '
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git tag -a -m test-annotated test-annotated &&
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echo >>file &&
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test_tick &&
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git commit -a -m "one more" &&
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git tag test1-lightweight &&
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echo >>file &&
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test_tick &&
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git commit -a -m "yet another" &&
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git tag test2-lightweight &&
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echo >>file &&
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test_tick &&
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git commit -a -m "even more"
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'
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check_describe "test-annotated-3-gHASH" --match="test-*"
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check_describe "test1-lightweight-2-gHASH" --tags --match="test1-*"
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check_describe "test2-lightweight-1-gHASH" --tags --match="test2-*"
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check_describe "test2-lightweight-0-gHASH" --long --tags --match="test2-*" HEAD^
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check_describe "test2-lightweight-0-gHASH" --long --tags --match="test1-*" --match="test2-*" HEAD^
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check_describe "test2-lightweight-0-gHASH" --long --tags --match="test1-*" --no-match --match="test2-*" HEAD^
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check_describe "test1-lightweight-2-gHASH" --long --tags --match="test1-*" --match="test3-*" HEAD
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check_describe "test1-lightweight-2-gHASH" --long --tags --match="test3-*" --match="test1-*" HEAD
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test_expect_success 'set-up branches' '
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git branch branch_A A &&
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git branch branch_C c &&
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git update-ref refs/remotes/origin/remote_branch_A "A^{commit}" &&
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git update-ref refs/remotes/origin/remote_branch_C "c^{commit}" &&
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git update-ref refs/original/original_branch_A test-annotated~2
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'
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check_describe "heads/branch_A-11-gHASH" --all --match="branch_*" --exclude="branch_C" HEAD
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check_describe "remotes/origin/remote_branch_A-11-gHASH" --all --match="origin/remote_branch_*" --exclude="origin/remote_branch_C" HEAD
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check_describe "original/original_branch_A-6-gHASH" --all test-annotated~1
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test_expect_success '--match does not work for other types' '
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test_must_fail git describe --all --match="*original_branch_*" test-annotated~1
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'
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test_expect_success '--exclude does not work for other types' '
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R=$(git describe --all --exclude="any_pattern_even_not_matching" test-annotated~1) &&
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case "$R" in
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*original_branch_A*) echo "fail: Found unknown reference $R with --exclude"
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false;;
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*) echo ok: Found some known type;;
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esac
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'
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test_expect_success 'name-rev with exact tags' '
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echo A >expect &&
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tag_object=$(git rev-parse refs/tags/A) &&
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git name-rev --tags --name-only $tag_object >actual &&
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test_cmp expect actual &&
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echo "A^0" >expect &&
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tagged_commit=$(git rev-parse "refs/tags/A^0") &&
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git name-rev --tags --name-only $tagged_commit >actual &&
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test_cmp expect actual
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'
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test_expect_success 'name-rev --all' '
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>expect.unsorted &&
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for rev in $(git rev-list --all)
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do
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git name-rev $rev >>expect.unsorted || return 1
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done &&
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sort <expect.unsorted >expect &&
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git name-rev --all >actual.unsorted &&
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sort <actual.unsorted >actual &&
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test_cmp expect actual
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'
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test_expect_success 'name-rev --annotate-stdin' '
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>expect.unsorted &&
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for rev in $(git rev-list --all)
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do
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name=$(git name-rev --name-only $rev) &&
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echo "$rev ($name)" >>expect.unsorted || return 1
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done &&
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sort <expect.unsorted >expect &&
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git rev-list --all | git name-rev --annotate-stdin >actual.unsorted &&
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sort <actual.unsorted >actual &&
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test_cmp expect actual
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'
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test_expect_success 'name-rev --stdin deprecated' "
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git rev-list --all | git name-rev --stdin 2>actual &&
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grep -E 'warning: --stdin is deprecated' actual
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"
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test_expect_success 'describe --contains with the exact tags' '
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echo "A^0" >expect &&
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tag_object=$(git rev-parse refs/tags/A) &&
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git describe --contains $tag_object >actual &&
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test_cmp expect actual &&
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echo "A^0" >expect &&
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tagged_commit=$(git rev-parse "refs/tags/A^0") &&
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git describe --contains $tagged_commit >actual &&
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test_cmp expect actual
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'
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test_expect_success 'describe --contains and --match' '
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echo "A^0" >expect &&
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tagged_commit=$(git rev-parse "refs/tags/A^0") &&
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test_must_fail git describe --contains --match="B" $tagged_commit &&
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git describe --contains --match="B" --match="A" $tagged_commit >actual &&
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test_cmp expect actual
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'
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test_expect_success 'describe --exclude' '
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echo "c~1" >expect &&
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tagged_commit=$(git rev-parse "refs/tags/A^0") &&
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test_must_fail git describe --contains --match="B" $tagged_commit &&
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git describe --contains --match="?" --exclude="A" $tagged_commit >actual &&
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test_cmp expect actual
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'
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test_expect_success 'describe --contains and --no-match' '
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echo "A^0" >expect &&
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tagged_commit=$(git rev-parse "refs/tags/A^0") &&
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git describe --contains --match="B" --no-match $tagged_commit >actual &&
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test_cmp expect actual
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'
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test_expect_success 'setup and absorb a submodule' '
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test_create_repo sub1 &&
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test_commit -C sub1 initial &&
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git submodule add ./sub1 &&
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git submodule absorbgitdirs &&
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git commit -a -m "add submodule" &&
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git describe --dirty >expect &&
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git describe --broken >out &&
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test_cmp expect out
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'
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test_expect_success 'describe chokes on severely broken submodules' '
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mv .git/modules/sub1/ .git/modules/sub_moved &&
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test_must_fail git describe --dirty
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'
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test_expect_success 'describe ignoring a broken submodule' '
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git describe --broken >out &&
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grep broken out
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'
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test_expect_success 'describe with --work-tree ignoring a broken submodule' '
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(
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cd "$TEST_DIRECTORY" &&
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git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --broken >"$TRASH_DIRECTORY/out"
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) &&
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test_when_finished "mv .git/modules/sub_moved .git/modules/sub1" &&
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grep broken out
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'
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test_expect_success 'describe a blob at a directly tagged commit' '
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echo "make it a unique blob" >file &&
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git add file && git commit -m "content in file" &&
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git tag -a -m "latest annotated tag" unique-file &&
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git describe HEAD:file >actual &&
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echo "unique-file:file" >expect &&
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test_cmp expect actual
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'
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test_expect_success 'describe a blob with its first introduction' '
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git commit --allow-empty -m "empty commit" &&
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git rm file &&
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git commit -m "delete blob" &&
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git revert HEAD &&
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git commit --allow-empty -m "empty commit" &&
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git describe HEAD:file >actual &&
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echo "unique-file:file" >expect &&
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test_cmp expect actual
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'
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test_expect_success 'describe directly tagged blob' '
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git tag test-blob unique-file:file &&
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git describe test-blob >actual &&
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echo "unique-file:file" >expect &&
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# suboptimal: we rather want to see "test-blob"
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test_cmp expect actual
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'
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test_expect_success 'describe tag object' '
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git tag test-blob-1 -a -m msg unique-file:file &&
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test_must_fail git describe test-blob-1 2>actual &&
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test_i18ngrep "fatal: test-blob-1 is neither a commit nor blob" actual
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'
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test_expect_success ULIMIT_STACK_SIZE 'name-rev works in a deep repo' '
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i=1 &&
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while test $i -lt 8000
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do
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echo "commit refs/heads/main
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committer A U Thor <author@example.com> $((1000000000 + $i * 100)) +0200
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data <<EOF
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commit #$i
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EOF" &&
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if test $i = 1
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then
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echo "from refs/heads/main^0"
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fi &&
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i=$(($i + 1)) || return 1
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done | git fast-import &&
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git checkout main &&
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git tag far-far-away HEAD^ &&
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echo "HEAD~4000 tags/far-far-away~3999" >expect &&
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git name-rev HEAD~4000 >actual &&
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test_cmp expect actual &&
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run_with_limited_stack git name-rev HEAD~4000 >actual &&
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test_cmp expect actual
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'
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test_expect_success ULIMIT_STACK_SIZE 'describe works in a deep repo' '
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git tag -f far-far-away HEAD~7999 &&
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echo "far-far-away" >expect &&
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git describe --tags --abbrev=0 HEAD~4000 >actual &&
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test_cmp expect actual &&
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run_with_limited_stack git describe --tags --abbrev=0 HEAD~4000 >actual &&
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test_cmp expect actual
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'
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check_describe tags/A --all A
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check_describe tags/c --all c
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check_describe heads/branch_A --all --match='branch_*' branch_A
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test_expect_success 'describe complains about tree object' '
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test_must_fail git describe HEAD^{tree}
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'
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test_expect_success 'describe complains about missing object' '
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test_must_fail git describe $ZERO_OID
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'
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test_expect_success 'name-rev a rev shortly after epoch' '
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test_when_finished "git checkout main" &&
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git checkout --orphan no-timestamp-underflow &&
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# Any date closer to epoch than the CUTOFF_DATE_SLOP constant
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# in builtin/name-rev.c.
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GIT_COMMITTER_DATE="@1234 +0000" \
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git commit -m "committer date shortly after epoch" &&
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old_commit_oid=$(git rev-parse HEAD) &&
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echo "$old_commit_oid no-timestamp-underflow" >expect &&
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git name-rev $old_commit_oid >actual &&
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test_cmp expect actual
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'
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# A--------------main
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# \ /
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# \----------M2
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# \ /
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# \---M1-C
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# \ /
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# B
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test_expect_success 'name-rev covers all conditions while looking at parents' '
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git init repo &&
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(
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cd repo &&
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echo A >file &&
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git add file &&
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git commit -m A &&
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A=$(git rev-parse HEAD) &&
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git checkout --detach &&
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echo B >file &&
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git commit -m B file &&
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B=$(git rev-parse HEAD) &&
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git checkout $A &&
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git merge --no-ff $B && # M1
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echo C >file &&
|
|
git commit -m C file &&
|
|
|
|
git checkout $A &&
|
|
git merge --no-ff HEAD@{1} && # M2
|
|
|
|
git checkout main &&
|
|
git merge --no-ff HEAD@{1} &&
|
|
|
|
echo "$B main^2^2~1^2" >expect &&
|
|
git name-rev $B >actual &&
|
|
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
# A-B-C-D-E-main
|
|
#
|
|
# Where C has a non-monotonically increasing commit timestamp w.r.t. other
|
|
# commits
|
|
test_expect_success 'non-monotonic commit dates setup' '
|
|
UNIX_EPOCH_ZERO="@0 +0000" &&
|
|
git init non-monotonic &&
|
|
test_commit -C non-monotonic A &&
|
|
test_commit -C non-monotonic --no-tag B &&
|
|
test_commit -C non-monotonic --no-tag --date "$UNIX_EPOCH_ZERO" C &&
|
|
test_commit -C non-monotonic D &&
|
|
test_commit -C non-monotonic E
|
|
'
|
|
|
|
test_expect_success 'name-rev with commitGraph handles non-monotonic timestamps' '
|
|
test_config -C non-monotonic core.commitGraph true &&
|
|
(
|
|
cd non-monotonic &&
|
|
|
|
git commit-graph write --reachable &&
|
|
|
|
echo "main~3 tags/D~2" >expect &&
|
|
git name-rev --tags main~3 >actual &&
|
|
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success 'name-rev --all works with non-monotonic timestamps' '
|
|
test_config -C non-monotonic core.commitGraph false &&
|
|
(
|
|
cd non-monotonic &&
|
|
|
|
rm -rf .git/info/commit-graph* &&
|
|
|
|
cat >tags <<-\EOF &&
|
|
tags/E
|
|
tags/D
|
|
tags/D~1
|
|
tags/D~2
|
|
tags/A
|
|
EOF
|
|
|
|
git log --pretty=%H >revs &&
|
|
|
|
paste -d" " revs tags | sort >expect &&
|
|
|
|
git name-rev --tags --all | sort >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success 'name-rev --annotate-stdin works with non-monotonic timestamps' '
|
|
test_config -C non-monotonic core.commitGraph false &&
|
|
(
|
|
cd non-monotonic &&
|
|
|
|
rm -rf .git/info/commit-graph* &&
|
|
|
|
cat >expect <<-\EOF &&
|
|
E
|
|
D
|
|
D~1
|
|
D~2
|
|
A
|
|
EOF
|
|
|
|
git log --pretty=%H >revs &&
|
|
git name-rev --tags --annotate-stdin --name-only <revs >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success 'name-rev --all works with commitGraph' '
|
|
test_config -C non-monotonic core.commitGraph true &&
|
|
(
|
|
cd non-monotonic &&
|
|
|
|
git commit-graph write --reachable &&
|
|
|
|
cat >tags <<-\EOF &&
|
|
tags/E
|
|
tags/D
|
|
tags/D~1
|
|
tags/D~2
|
|
tags/A
|
|
EOF
|
|
|
|
git log --pretty=%H >revs &&
|
|
|
|
paste -d" " revs tags | sort >expect &&
|
|
|
|
git name-rev --tags --all | sort >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
test_expect_success 'name-rev --annotate-stdin works with commitGraph' '
|
|
test_config -C non-monotonic core.commitGraph true &&
|
|
(
|
|
cd non-monotonic &&
|
|
|
|
git commit-graph write --reachable &&
|
|
|
|
cat >expect <<-\EOF &&
|
|
E
|
|
D
|
|
D~1
|
|
D~2
|
|
A
|
|
EOF
|
|
|
|
git log --pretty=%H >revs &&
|
|
git name-rev --tags --annotate-stdin --name-only <revs >actual &&
|
|
test_cmp expect actual
|
|
)
|
|
'
|
|
|
|
# B
|
|
# o
|
|
# \
|
|
# o-----o---o----x
|
|
# A
|
|
#
|
|
test_expect_success 'setup: describe commits with disjoint bases' '
|
|
git init disjoint1 &&
|
|
(
|
|
cd disjoint1 &&
|
|
|
|
echo o >> file && git add file && git commit -m o &&
|
|
echo A >> file && git add file && git commit -m A &&
|
|
git tag A -a -m A &&
|
|
echo o >> file && git add file && git commit -m o &&
|
|
|
|
git checkout --orphan branch && rm file &&
|
|
echo B > file2 && git add file2 && git commit -m B &&
|
|
git tag B -a -m B &&
|
|
git merge --no-ff --allow-unrelated-histories main -m x
|
|
)
|
|
'
|
|
|
|
check_describe -C disjoint1 "A-3-gHASH" HEAD
|
|
|
|
# B
|
|
# o---o---o------------.
|
|
# \
|
|
# o---o---x
|
|
# A
|
|
#
|
|
test_expect_success 'setup: describe commits with disjoint bases 2' '
|
|
git init disjoint2 &&
|
|
(
|
|
cd disjoint2 &&
|
|
|
|
echo A >> file && git add file && GIT_COMMITTER_DATE="2020-01-01 18:00" git commit -m A &&
|
|
git tag A -a -m A &&
|
|
echo o >> file && git add file && GIT_COMMITTER_DATE="2020-01-01 18:01" git commit -m o &&
|
|
|
|
git checkout --orphan branch &&
|
|
echo o >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:00" git commit -m o &&
|
|
echo o >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:01" git commit -m o &&
|
|
echo B >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:02" git commit -m B &&
|
|
git tag B -a -m B &&
|
|
git merge --no-ff --allow-unrelated-histories main -m x
|
|
)
|
|
'
|
|
|
|
check_describe -C disjoint2 "B-3-gHASH" HEAD
|
|
|
|
test_expect_success 'setup misleading taggerdates' '
|
|
GIT_COMMITTER_DATE="2006-12-12 12:31" git tag -a -m "another tag" newer-tag-older-commit unique-file~1
|
|
'
|
|
|
|
check_describe newer-tag-older-commit~1 --contains unique-file~2
|
|
|
|
test_done
|