[thirdparty/git.git] / t / t6120-describe.sh

#!/bin/sh

test_description='test describe'

#  o---o-----o----o----o-------o----x
#       \   D,R   e           /
#        \---o-------------o-'
#         \  B            /
#          `-o----o----o-'
#                 A    c
#
# First parent of a merge commit is on the same line, second parent below.

GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./test-lib.sh

check_describe () {
	expect="$1"
	shift
	describe_opts="$@"
	test_expect_success "describe $describe_opts" '
	R=$(git describe $describe_opts 2>err.actual) &&
	case "$R" in
	$expect)	echo happy ;;
	*)	echo "Oops - $R is not $expect" &&
		false ;;
	esac
	'
}

test_expect_success setup '
	test_commit initial file one &&
	test_commit second file two &&
	test_commit third file three &&
	test_commit --annotate A file A &&
	test_commit c file c &&

	git reset --hard second &&
	test_commit --annotate B side B &&

	test_tick &&
	git merge -m Merged c &&
	merged=$(git rev-parse HEAD) &&

	git reset --hard second &&
	test_commit --no-tag D another D &&

	test_tick &&
	git tag -a -m R R &&

	test_commit e another DD &&
	test_commit --no-tag "yet another" another DDD &&

	test_tick &&
	git merge -m Merged $merged &&

	test_commit --no-tag x file
'

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/main --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
'

check_describe tags/A --all A^0
test_expect_success 'no warning was displayed for A' '
	test_must_be_empty 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 'Q' is externally known as 'A'
EOF
check_describe A-* HEAD
test_expect_success 'warning was displayed for Q' '
	test_cmp err.expect err.actual
'
test_expect_success 'misnamed annotated tag forces long output' '
	description=$(git describe --no-long Q^0) &&
	expr "$description" : "A-0-g[0-9a-f]*$" &&
	git rev-parse --verify "$description" >actual &&
	git rev-parse --verify Q^0 >expect &&
	test_cmp expect actual
'

test_expect_success 'abbrev=0 will not break misplaced tag (1)' '
	description=$(git describe --abbrev=0 Q^0) &&
	expr "$description" : "A-0-g[0-9a-f]*$"
'

test_expect_success 'abbrev=0 will not break misplaced tag (2)' '
	description=$(git describe --abbrev=0 c^0) &&
	expr "$description" : "A-1-g[0-9a-f]*$"
'

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

test_expect_success 'describe works from outside repo using --git-dir' '
	git clone --bare "$TRASH_DIRECTORY" "$TRASH_DIRECTORY/bare" &&
	git --git-dir "$TRASH_DIRECTORY/bare" describe >out &&
	grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
'

check_describe "A-*[0-9a-f]" --dirty

test_expect_success 'describe --dirty with --work-tree' '
	(
		cd "$TEST_DIRECTORY" &&
		git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
	) &&
	grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
'

test_expect_success 'set-up dirty work tree' '
	echo >>file
'

test_expect_success 'describe --dirty with --work-tree (dirty)' '
	git describe --dirty >expected &&
	(
		cd "$TEST_DIRECTORY" &&
		git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
	) &&
	grep -E "^A-[1-9][0-9]?-g[0-9a-f]+-dirty$" out &&
	test_cmp expected out
'

test_expect_success 'describe --dirty=.mod with --work-tree (dirty)' '
	git describe --dirty=.mod >expected &&
	(
		cd "$TEST_DIRECTORY" &&
		git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty=.mod >"$TRASH_DIRECTORY/out"
	) &&
	grep -E "^A-[1-9][0-9]?-g[0-9a-f]+.mod$" out &&
	test_cmp expected out
'

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 "test2-lightweight-*" --long --tags --match="test1-*" --match="test2-*" HEAD^

check_describe "test2-lightweight-*" --long --tags --match="test1-*" --no-match --match="test2-*" HEAD^

check_describe "test1-lightweight-*" --long --tags --match="test1-*" --match="test3-*" HEAD

check_describe "test1-lightweight-*" --long --tags --match="test3-*" --match="test1-*" HEAD

test_expect_success 'set-up branches' '
	git branch branch_A A &&
	git branch branch_C c &&
	git update-ref refs/remotes/origin/remote_branch_A "A^{commit}" &&
	git update-ref refs/remotes/origin/remote_branch_C "c^{commit}" &&
	git update-ref refs/original/original_branch_A test-annotated~2
'

check_describe "heads/branch_A*" --all --match="branch_*" --exclude="branch_C" HEAD

check_describe "remotes/origin/remote_branch_A*" --all --match="origin/remote_branch_*" --exclude="origin/remote_branch_C" HEAD

check_describe "original/original_branch_A*" --all test-annotated~1

test_expect_success '--match does not work for other types' '
	test_must_fail git describe --all --match="*original_branch_*" test-annotated~1
'

test_expect_success '--exclude does not work for other types' '
	R=$(git describe --all --exclude="any_pattern_even_not_matching" test-annotated~1) &&
	case "$R" in
	*original_branch_A*) echo "fail: Found unknown reference $R with --exclude"
		false;;
	*) echo ok: Found some known type;;
	esac
'

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 'name-rev --all' '
	>expect.unsorted &&
	for rev in $(git rev-list --all)
	do
		git name-rev $rev >>expect.unsorted
	done &&
	sort <expect.unsorted >expect &&
	git name-rev --all >actual.unsorted &&
	sort <actual.unsorted >actual &&
	test_cmp expect actual
'

test_expect_success 'name-rev --stdin' '
	>expect.unsorted &&
	for rev in $(git rev-list --all)
	do
		name=$(git name-rev --name-only $rev) &&
		echo "$rev ($name)" >>expect.unsorted
	done &&
	sort <expect.unsorted >expect &&
	git rev-list --all | git name-rev --stdin >actual.unsorted &&
	sort <actual.unsorted >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 --exclude' '
	echo "c~1" >expect &&
	tagged_commit=$(git rev-parse "refs/tags/A^0") &&
	test_must_fail git describe --contains --match="B" $tagged_commit &&
	git describe --contains --match="?" --exclude="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_expect_success 'setup and absorb a submodule' '
	test_create_repo sub1 &&
	test_commit -C sub1 initial &&
	git submodule add ./sub1 &&
	git submodule absorbgitdirs &&
	git commit -a -m "add submodule" &&
	git describe --dirty >expect &&
	git describe --broken >out &&
	test_cmp expect out
'

test_expect_success 'describe chokes on severely broken submodules' '
	mv .git/modules/sub1/ .git/modules/sub_moved &&
	test_must_fail git describe --dirty
'

test_expect_success 'describe ignoring a broken submodule' '
	git describe --broken >out &&
	grep broken out
'

test_expect_success 'describe with --work-tree ignoring a broken submodule' '
	(
		cd "$TEST_DIRECTORY" &&
		git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --broken >"$TRASH_DIRECTORY/out"
	) &&
	test_when_finished "mv .git/modules/sub_moved .git/modules/sub1" &&
	grep broken out
'

test_expect_success 'describe a blob at a directly tagged commit' '
	echo "make it a unique blob" >file &&
	git add file && git commit -m "content in file" &&
	git tag -a -m "latest annotated tag" unique-file &&
	git describe HEAD:file >actual &&
	echo "unique-file:file" >expect &&
	test_cmp expect actual
'

test_expect_success 'describe a blob with its first introduction' '
	git commit --allow-empty -m "empty commit" &&
	git rm file &&
	git commit -m "delete blob" &&
	git revert HEAD &&
	git commit --allow-empty -m "empty commit" &&
	git describe HEAD:file >actual &&
	echo "unique-file:file" >expect &&
	test_cmp expect actual
'

test_expect_success 'describe directly tagged blob' '
	git tag test-blob unique-file:file &&
	git describe test-blob >actual &&
	echo "unique-file:file" >expect &&
	# suboptimal: we rather want to see "test-blob"
	test_cmp expect actual
'

test_expect_success 'describe tag object' '
	git tag test-blob-1 -a -m msg unique-file:file &&
	test_must_fail git describe test-blob-1 2>actual &&
	test_i18ngrep "fatal: test-blob-1 is neither a commit nor blob" actual
'

test_expect_success ULIMIT_STACK_SIZE 'name-rev works in a deep repo' '
	i=1 &&
	while test $i -lt 8000
	do
		echo "commit refs/heads/main
committer A U Thor <author@example.com> $((1000000000 + $i * 100)) +0200
data <<EOF
commit #$i
EOF"
		test $i = 1 && echo "from refs/heads/main^0"
		i=$(($i + 1))
	done | git fast-import &&
	git checkout main &&
	git tag far-far-away HEAD^ &&
	echo "HEAD~4000 tags/far-far-away~3999" >expect &&
	git name-rev HEAD~4000 >actual &&
	test_cmp expect actual &&
	run_with_limited_stack git name-rev HEAD~4000 >actual &&
	test_cmp expect actual
'

test_expect_success ULIMIT_STACK_SIZE 'describe works in a deep repo' '
	git tag -f far-far-away HEAD~7999 &&
	echo "far-far-away" >expect &&
	git describe --tags --abbrev=0 HEAD~4000 >actual &&
	test_cmp expect actual &&
	run_with_limited_stack git describe --tags --abbrev=0 HEAD~4000 >actual &&
	test_cmp expect actual
'

check_describe tags/A --all A
check_describe tags/c --all c
check_describe heads/branch_A --all --match='branch_*' branch_A

test_expect_success 'describe complains about tree object' '
	test_must_fail git describe HEAD^{tree}
'

test_expect_success 'describe complains about missing object' '
	test_must_fail git describe $ZERO_OID
'

test_expect_success 'name-rev a rev shortly after epoch' '
	test_when_finished "git checkout main" &&

	git checkout --orphan no-timestamp-underflow &&
	# Any date closer to epoch than the CUTOFF_DATE_SLOP constant
	# in builtin/name-rev.c.
	GIT_COMMITTER_DATE="@1234 +0000" \
	git commit -m "committer date shortly after epoch" &&
	old_commit_oid=$(git rev-parse HEAD) &&

	echo "$old_commit_oid no-timestamp-underflow" >expect &&
	git name-rev $old_commit_oid >actual &&
	test_cmp expect actual
'

# A--------------main
#  \            /
#   \----------M2
#    \        /
#     \---M1-C
#      \ /
#       B
test_expect_success 'name-rev covers all conditions while looking at parents' '
	git init repo &&
	(
		cd repo &&

		echo A >file &&
		git add file &&
		git commit -m A &&
		A=$(git rev-parse HEAD) &&

		git checkout --detach &&
		echo B >file &&
		git commit -m B file &&
		B=$(git rev-parse HEAD) &&

		git checkout $A &&
		git merge --no-ff $B &&  # M1

		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
	)
'

#               B
#               o
#                \
#  o-----o---o----x
#        A
#
test_expect_success '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 "A-3-*" HEAD
	)
'

#           B
#   o---o---o------------.
#                         \
#                  o---o---x
#                  A
#
test_expect_success '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 "B-3-*" HEAD
	)
'

test_done
Commit	Line	Data
5312ab11 JH	1	#!/bin/sh
5312ab11 JH	2
d91ce887 SG	3	test_description='test describe'
	4
	5	# o---o-----o----o----o-------o----x
	6	# \ D,R e /
	7	# \---o-------------o-'
	8	# \ B /
	9	# `-o----o----o-'
	10	# A c
	11	#
	12	# First parent of a merge commit is on the same line, second parent below.
	13
1550bb6e	14	GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
334afbc7 JS	15	export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
334afbc7 JS	16
5312ab11 JH	17	. ./test-lib.sh
	18
	19	check_describe () {
	20	expect="$1"
	21	shift
c593a263 SG	22	describe_opts="$@"
	23	test_expect_success "describe $describe_opts" '
	24	R=$(git describe $describe_opts 2>err.actual) &&
5312ab11 JH	25	case "$R" in
5312ab11 JH	26	$expect) echo happy ;;
c593a263	27	*) echo "Oops - $R is not $expect" &&
5312ab11 JH	28	false ;;
	29	esac
	30	'
	31	}
	32
	33	test_expect_success setup '
8cfe386b ÆAB	34	test_commit initial file one &&
	35	test_commit second file two &&
	36	test_commit third file three &&
	37	test_commit --annotate A file A &&
	38	test_commit c file c &&
5312ab11	39
8cfe386b ÆAB	40	git reset --hard second &&
8cfe386b ÆAB	41	test_commit --annotate B side B &&
5312ab11 JH	42
5312ab11 JH	43	test_tick &&
3604e7c5	44	git merge -m Merged c &&
5be60078	45	merged=$(git rev-parse HEAD) &&
5312ab11	46
8cfe386b ÆAB	47	git reset --hard second &&
8cfe386b ÆAB	48	test_commit --no-tag D another D &&
5312ab11 JH	49
5312ab11 JH	50	test_tick &&
8cfe386b	51	git tag -a -m R R &&
5312ab11	52
8cfe386b ÆAB	53	test_commit e another DD &&
8cfe386b ÆAB	54	test_commit --no-tag "yet another" another DDD &&
5312ab11 JH	55
5312ab11 JH	56	test_tick &&
3604e7c5	57	git merge -m Merged $merged &&
5312ab11	58
8cfe386b	59	test_commit --no-tag x file
5312ab11 JH	60	'
	61
	62	check_describe A-* HEAD
	63	check_describe A-* HEAD^
03e8b541	64	check_describe R-* HEAD^^
5312ab11 JH	65	check_describe A-* HEAD^^2
5312ab11 JH	66	check_describe B HEAD^^2^
03e8b541	67	check_describe R-* HEAD^^^
5312ab11	68
7e425c4f SP	69	check_describe c-* --tags HEAD
	70	check_describe c-* --tags HEAD^
	71	check_describe e-* --tags HEAD^^
	72	check_describe c-* --tags HEAD^^2
5312ab11	73	check_describe B --tags HEAD^^2^
7a0d61bb TR	74	check_describe e --tags HEAD^^^
7a0d61bb TR	75
1550bb6e	76	check_describe heads/main --all HEAD
7a0d61bb TR	77	check_describe tags/c-* --all HEAD^
7a0d61bb TR	78	check_describe tags/e --all HEAD^^^
5312ab11	79
518120e3	80	check_describe B-0-* --long HEAD^^2^
4d4c3e1c	81	check_describe A-3-* --long HEAD^^2
518120e3	82
e00dd1e9 MC	83	check_describe c-7-* --tags
	84	check_describe e-3-* --first-parent --tags
	85
2bd07065 SG	86	test_expect_success 'describe --contains defaults to HEAD without commit-ish' '
	87	echo "A^0" >expect &&
	88	git checkout A &&
	89	test_when_finished "git checkout -" &&
	90	git describe --contains >actual &&
	91	test_cmp expect actual
	92	'
	93
1bba0013	94	check_describe tags/A --all A^0
81dc223d	95	test_expect_success 'no warning was displayed for A' '
1c5e94f4	96	test_must_be_empty err.actual
81dc223d SP	97	'
81dc223d SP	98
3291fe40 SP	99	test_expect_success 'rename tag A to Q locally' '
	100	mv .git/refs/tags/A .git/refs/tags/Q
	101	'
	102	cat - >err.expect <<EOF
ff165f00	103	warning: tag 'Q' is externally known as 'A'
3291fe40 SP	104	EOF
3291fe40 SP	105	check_describe A-* HEAD
b3e1900a	106	test_expect_success 'warning was displayed for Q' '
1108cea7	107	test_cmp err.expect err.actual
3291fe40	108	'
ff165f00 JH	109	test_expect_success 'misnamed annotated tag forces long output' '
	110	description=$(git describe --no-long Q^0) &&
	111	expr "$description" : "A-0-g[0-9a-f]*$" &&
	112	git rev-parse --verify "$description" >actual &&
	113	git rev-parse --verify Q^0 >expect &&
	114	test_cmp expect actual
	115	'
	116
	117	test_expect_success 'abbrev=0 will not break misplaced tag (1)' '
	118	description=$(git describe --abbrev=0 Q^0) &&
	119	expr "$description" : "A-0-g[0-9a-f]*$"
	120	'
	121
	122	test_expect_success 'abbrev=0 will not break misplaced tag (2)' '
	123	description=$(git describe --abbrev=0 c^0) &&
	124	expr "$description" : "A-1-g[0-9a-f]*$"
	125	'
	126
3291fe40 SP	127	test_expect_success 'rename tag Q back to A' '
	128	mv .git/refs/tags/Q .git/refs/tags/A
	129	'
	130
d1b28f51 SP	131	test_expect_success 'pack tag refs' 'git pack-refs'
	132	check_describe A-* HEAD
	133
c801170b SS	134	test_expect_success 'describe works from outside repo using --git-dir' '
	135	git clone --bare "$TRASH_DIRECTORY" "$TRASH_DIRECTORY/bare" &&
	136	git --git-dir "$TRASH_DIRECTORY/bare" describe >out &&
4abf20f0	137	grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
c801170b SS	138	'
c801170b SS	139
9f67d2e8 JP	140	check_describe "A-*[0-9a-f]" --dirty
9f67d2e8 JP	141
2ed5c8e1 SS	142	test_expect_success 'describe --dirty with --work-tree' '
	143	(
	144	cd "$TEST_DIRECTORY" &&
	145	git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
	146	) &&
4abf20f0	147	grep -E "^A-[1-9][0-9]?-g[0-9a-f]+$" out
2ed5c8e1 SS	148	'
2ed5c8e1 SS	149
9f67d2e8 JP	150	test_expect_success 'set-up dirty work tree' '
	151	echo >>file
	152	'
	153
2ed5c8e1	154	test_expect_success 'describe --dirty with --work-tree (dirty)' '
2df546e1	155	git describe --dirty >expected &&
2ed5c8e1 SS	156	(
	157	cd "$TEST_DIRECTORY" &&
	158	git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty >"$TRASH_DIRECTORY/out"
	159	) &&
2df546e1 ÆAB	160	grep -E "^A-[1-9][0-9]?-g[0-9a-f]+-dirty$" out &&
2df546e1 ÆAB	161	test_cmp expected out
2ed5c8e1 SS	162	'
2ed5c8e1 SS	163
2ed5c8e1	164	test_expect_success 'describe --dirty=.mod with --work-tree (dirty)' '
2df546e1	165	git describe --dirty=.mod >expected &&
2ed5c8e1 SS	166	(
	167	cd "$TEST_DIRECTORY" &&
	168	git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --dirty=.mod >"$TRASH_DIRECTORY/out"
	169	) &&
2df546e1 ÆAB	170	grep -E "^A-[1-9][0-9]?-g[0-9a-f]+.mod$" out &&
2df546e1 ÆAB	171	test_cmp expected out
2ed5c8e1 SS	172	'
2ed5c8e1 SS	173
9f67d2e8 JP	174	test_expect_success 'describe --dirty HEAD' '
	175	test_must_fail git describe --dirty HEAD
	176	'
	177
4ed19a3c MD	178	test_expect_success 'set-up matching pattern tests' '
	179	git tag -a -m test-annotated test-annotated &&
	180	echo >>file &&
	181	test_tick &&
	182	git commit -a -m "one more" &&
	183	git tag test1-lightweight &&
	184	echo >>file &&
	185	test_tick &&
	186	git commit -a -m "yet another" &&
	187	git tag test2-lightweight &&
	188	echo >>file &&
	189	test_tick &&
	190	git commit -a -m "even more"
	191
	192	'
	193
	194	check_describe "test-annotated-" --match="test-"
	195
	196	check_describe "test1-lightweight-" --tags --match="test1-"
	197
	198	check_describe "test2-lightweight-" --tags --match="test2-"
	199
14d4642e SP	200	check_describe "test2-lightweight-" --long --tags --match="test2-" HEAD^
14d4642e SP	201
da769d29	202	check_describe "test2-lightweight-" --long --tags --match="test1-" --match="test2-*" HEAD^
43f8080e JK	203
	204	check_describe "test2-lightweight-" --long --tags --match="test1-" --no-match --match="test2-*" HEAD^
	205
da769d29 MK	206	check_describe "test1-lightweight-" --long --tags --match="test1-" --match="test3-*" HEAD
	207
	208	check_describe "test1-lightweight-" --long --tags --match="test3-" --match="test1-*" HEAD
	209
6d68b2ab MK	210	test_expect_success 'set-up branches' '
	211	git branch branch_A A &&
	212	git branch branch_C c &&
	213	git update-ref refs/remotes/origin/remote_branch_A "A^{commit}" &&
	214	git update-ref refs/remotes/origin/remote_branch_C "c^{commit}" &&
	215	git update-ref refs/original/original_branch_A test-annotated~2
	216	'
	217
	218	check_describe "heads/branch_A" --all --match="branch_" --exclude="branch_C" HEAD
	219
	220	check_describe "remotes/origin/remote_branch_A" --all --match="origin/remote_branch_" --exclude="origin/remote_branch_C" HEAD
	221
	222	check_describe "original/original_branch_A*" --all test-annotated~1
	223
	224	test_expect_success '--match does not work for other types' '
	225	test_must_fail git describe --all --match="original_branch_" test-annotated~1
	226	'
	227
	228	test_expect_success '--exclude does not work for other types' '
	229	R=$(git describe --all --exclude="any_pattern_even_not_matching" test-annotated~1) &&
	230	case "$R" in
	231	original_branch_A) echo "fail: Found unknown reference $R with --exclude"
	232	false;;
	233	*) echo ok: Found some known type;;
	234	esac
	235	'
	236
118aa4ac JH	237	test_expect_success 'name-rev with exact tags' '
	238	echo A >expect &&
	239	tag_object=$(git rev-parse refs/tags/A) &&
	240	git name-rev --tags --name-only $tag_object >actual &&
	241	test_cmp expect actual &&
	242
	243	echo "A^0" >expect &&
	244	tagged_commit=$(git rev-parse "refs/tags/A^0") &&
	245	git name-rev --tags --name-only $tagged_commit >actual &&
	246	test_cmp expect actual
	247	'
	248
a24fa652 MG	249	test_expect_success 'name-rev --all' '
	250	>expect.unsorted &&
	251	for rev in $(git rev-list --all)
	252	do
	253	git name-rev $rev >>expect.unsorted
	254	done &&
	255	sort <expect.unsorted >expect &&
	256	git name-rev --all >actual.unsorted &&
	257	sort <actual.unsorted >actual &&
	258	test_cmp expect actual
	259	'
	260
	261	test_expect_success 'name-rev --stdin' '
	262	>expect.unsorted &&
	263	for rev in $(git rev-list --all)
	264	do
	265	name=$(git name-rev --name-only $rev) &&
	266	echo "$rev ($name)" >>expect.unsorted
	267	done &&
	268	sort <expect.unsorted >expect &&
	269	git rev-list --all \| git name-rev --stdin >actual.unsorted &&
	270	sort <actual.unsorted >actual &&
	271	test_cmp expect actual
	272	'
	273
adfc1857 JH	274	test_expect_success 'describe --contains with the exact tags' '
	275	echo "A^0" >expect &&
	276	tag_object=$(git rev-parse refs/tags/A) &&
	277	git describe --contains $tag_object >actual &&
	278	test_cmp expect actual &&
	279
	280	echo "A^0" >expect &&
	281	tagged_commit=$(git rev-parse "refs/tags/A^0") &&
	282	git describe --contains $tagged_commit >actual &&
	283	test_cmp expect actual
	284	'
	285
43f8080e JK	286	test_expect_success 'describe --contains and --match' '
	287	echo "A^0" >expect &&
	288	tagged_commit=$(git rev-parse "refs/tags/A^0") &&
	289	test_must_fail git describe --contains --match="B" $tagged_commit &&
	290	git describe --contains --match="B" --match="A" $tagged_commit >actual &&
	291	test_cmp expect actual
	292	'
	293
77d21f29 JK	294	test_expect_success 'describe --exclude' '
	295	echo "c~1" >expect &&
	296	tagged_commit=$(git rev-parse "refs/tags/A^0") &&
	297	test_must_fail git describe --contains --match="B" $tagged_commit &&
	298	git describe --contains --match="?" --exclude="A" $tagged_commit >actual &&
	299	test_cmp expect actual
	300	'
	301
43f8080e JK	302	test_expect_success 'describe --contains and --no-match' '
	303	echo "A^0" >expect &&
	304	tagged_commit=$(git rev-parse "refs/tags/A^0") &&
	305	git describe --contains --match="B" --no-match $tagged_commit >actual &&
	306	test_cmp expect actual
	307	'
	308
b0176ce6 SB	309	test_expect_success 'setup and absorb a submodule' '
	310	test_create_repo sub1 &&
	311	test_commit -C sub1 initial &&
	312	git submodule add ./sub1 &&
	313	git submodule absorbgitdirs &&
	314	git commit -a -m "add submodule" &&
	315	git describe --dirty >expect &&
	316	git describe --broken >out &&
	317	test_cmp expect out
	318	'
	319
64127575	320	test_expect_success 'describe chokes on severely broken submodules' '
b0176ce6 SB	321	mv .git/modules/sub1/ .git/modules/sub_moved &&
	322	test_must_fail git describe --dirty
	323	'
2ed5c8e1	324
2deda007	325	test_expect_success 'describe ignoring a broken submodule' '
b0176ce6	326	git describe --broken >out &&
2ed5c8e1 SS	327	grep broken out
	328	'
	329
	330	test_expect_success 'describe with --work-tree ignoring a broken submodule' '
	331	(
	332	cd "$TEST_DIRECTORY" &&
	333	git --git-dir "$TRASH_DIRECTORY/.git" --work-tree "$TRASH_DIRECTORY" describe --broken >"$TRASH_DIRECTORY/out"
	334	) &&
ac9b2401	335	test_when_finished "mv .git/modules/sub_moved .git/modules/sub1" &&
b0176ce6 SB	336	grep broken out
	337	'
	338
644eb60b SB	339	test_expect_success 'describe a blob at a directly tagged commit' '
	340	echo "make it a unique blob" >file &&
	341	git add file && git commit -m "content in file" &&
	342	git tag -a -m "latest annotated tag" unique-file &&
	343	git describe HEAD:file >actual &&
	344	echo "unique-file:file" >expect &&
	345	test_cmp expect actual
	346	'
	347
	348	test_expect_success 'describe a blob with its first introduction' '
	349	git commit --allow-empty -m "empty commit" &&
	350	git rm file &&
	351	git commit -m "delete blob" &&
	352	git revert HEAD &&
	353	git commit --allow-empty -m "empty commit" &&
	354	git describe HEAD:file >actual &&
	355	echo "unique-file:file" >expect &&
	356	test_cmp expect actual
	357	'
	358
	359	test_expect_success 'describe directly tagged blob' '
	360	git tag test-blob unique-file:file &&
	361	git describe test-blob >actual &&
	362	echo "unique-file:file" >expect &&
	363	# suboptimal: we rather want to see "test-blob"
	364	test_cmp expect actual
	365	'
	366
	367	test_expect_success 'describe tag object' '
	368	git tag test-blob-1 -a -m msg unique-file:file &&
	369	test_must_fail git describe test-blob-1 2>actual &&
	370	test_i18ngrep "fatal: test-blob-1 is neither a commit nor blob" actual
	371	'
	372
49f7a2fd	373	test_expect_success ULIMIT_STACK_SIZE 'name-rev works in a deep repo' '
31625b34 MG	374	i=1 &&
	375	while test $i -lt 8000
	376	do
1550bb6e	377	echo "commit refs/heads/main
31625b34 MG	378	committer A U Thor <author@example.com> $((1000000000 + $i * 100)) +0200
	379	data <<EOF
	380	commit #$i
	381	EOF"
1550bb6e	382	test $i = 1 && echo "from refs/heads/main^0"
31625b34 MG	383	i=$(($i + 1))
31625b34 MG	384	done \| git fast-import &&
1550bb6e	385	git checkout main &&
31625b34 MG	386	git tag far-far-away HEAD^ &&
	387	echo "HEAD~4000 tags/far-far-away~3999" >expect &&
	388	git name-rev HEAD~4000 >actual &&
	389	test_cmp expect actual &&
	390	run_with_limited_stack git name-rev HEAD~4000 >actual &&
	391	test_cmp expect actual
	392	'
	393
	394	test_expect_success ULIMIT_STACK_SIZE 'describe works in a deep repo' '
	395	git tag -f far-far-away HEAD~7999 &&
	396	echo "far-far-away" >expect &&
	397	git describe --tags --abbrev=0 HEAD~4000 >actual &&
	398	test_cmp expect actual &&
	399	run_with_limited_stack git describe --tags --abbrev=0 HEAD~4000 >actual &&
	400	test_cmp expect actual
	401	'
	402
1bba0013 DKF	403	check_describe tags/A --all A
	404	check_describe tags/c --all c
	405	check_describe heads/branch_A --all --match='branch_*' branch_A
	406
a8e7a2bf JK	407	test_expect_success 'describe complains about tree object' '
	408	test_must_fail git describe HEAD^{tree}
	409	'
	410
	411	test_expect_success 'describe complains about missing object' '
8125a58b	412	test_must_fail git describe $ZERO_OID
a8e7a2bf JK	413	'
a8e7a2bf JK	414
2e09c012	415	test_expect_success 'name-rev a rev shortly after epoch' '
1550bb6e	416	test_when_finished "git checkout main" &&
2e09c012 SG	417
	418	git checkout --orphan no-timestamp-underflow &&
	419	# Any date closer to epoch than the CUTOFF_DATE_SLOP constant
	420	# in builtin/name-rev.c.
	421	GIT_COMMITTER_DATE="@1234 +0000" \
	422	git commit -m "committer date shortly after epoch" &&
	423	old_commit_oid=$(git rev-parse HEAD) &&
	424
	425	echo "$old_commit_oid no-timestamp-underflow" >expect &&
	426	git name-rev $old_commit_oid >actual &&
	427	test_cmp expect actual
	428	'
	429
1550bb6e	430	# A--------------main
d59fc836 SG	431	# \ /
	432	# \----------M2
	433	# \ /
	434	# \---M1-C
	435	# \ /
	436	# B
	437	test_expect_success 'name-rev covers all conditions while looking at parents' '
	438	git init repo &&
	439	(
	440	cd repo &&
	441
	442	echo A >file &&
	443	git add file &&
	444	git commit -m A &&
	445	A=$(git rev-parse HEAD) &&
	446
	447	git checkout --detach &&
	448	echo B >file &&
	449	git commit -m B file &&
	450	B=$(git rev-parse HEAD) &&
	451
	452	git checkout $A &&
	453	git merge --no-ff $B && # M1
	454
	455	echo C >file &&
	456	git commit -m C file &&
	457
	458	git checkout $A &&
	459	git merge --no-ff HEAD@{1} && # M2
	460
1550bb6e	461	git checkout main &&
d59fc836 SG	462	git merge --no-ff HEAD@{1} &&
d59fc836 SG	463
1550bb6e	464	echo "$B main^2^2~1^2" >expect &&
d59fc836 SG	465	git name-rev $B >actual &&
	466
	467	test_cmp expect actual
	468	)
	469	'
	470
30b1c7ad BE	471	# B
	472	# o
	473	# \
	474	# o-----o---o----x
	475	# A
	476	#
	477	test_expect_success 'describe commits with disjoint bases' '
	478	git init disjoint1 &&
	479	(
	480	cd disjoint1 &&
	481
	482	echo o >> file && git add file && git commit -m o &&
	483	echo A >> file && git add file && git commit -m A &&
	484	git tag A -a -m A &&
	485	echo o >> file && git add file && git commit -m o &&
	486
	487	git checkout --orphan branch && rm file &&
	488	echo B > file2 && git add file2 && git commit -m B &&
	489	git tag B -a -m B &&
1550bb6e	490	git merge --no-ff --allow-unrelated-histories main -m x &&
30b1c7ad BE	491
	492	check_describe "A-3-*" HEAD
	493	)
	494	'
	495
	496	# B
	497	# o---o---o------------.
	498	# \
	499	# o---o---x
	500	# A
	501	#
	502	test_expect_success 'describe commits with disjoint bases 2' '
	503	git init disjoint2 &&
	504	(
	505	cd disjoint2 &&
	506
	507	echo A >> file && git add file && GIT_COMMITTER_DATE="2020-01-01 18:00" git commit -m A &&
	508	git tag A -a -m A &&
	509	echo o >> file && git add file && GIT_COMMITTER_DATE="2020-01-01 18:01" git commit -m o &&
	510
	511	git checkout --orphan branch &&
	512	echo o >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:00" git commit -m o &&
	513	echo o >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:01" git commit -m o &&
	514	echo B >> file2 && git add file2 && GIT_COMMITTER_DATE="2020-01-01 15:02" git commit -m B &&
	515	git tag B -a -m B &&
1550bb6e	516	git merge --no-ff --allow-unrelated-histories main -m x &&
30b1c7ad BE	517
	518	check_describe "B-3-*" HEAD
	519	)
	520	'
	521
5312ab11	522	test_done