[thirdparty/git.git] / t / t1430-bad-ref-name.sh

#!/bin/sh

test_description='Test handling of ref names that check-ref-format rejects'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./test-lib.sh

test_expect_success setup '
	test_commit one &&
	test_commit two
'

test_expect_success 'fast-import: fail on invalid branch name ".badbranchname"' '
	test_when_finished "rm -f .git/objects/pack_* .git/objects/index_*" &&
	cat >input <<-INPUT_END &&
		commit .badbranchname
		committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
		data <<COMMIT
		corrupt
		COMMIT

		from refs/heads/main

	INPUT_END
	test_must_fail git fast-import <input
'

test_expect_success 'fast-import: fail on invalid branch name "bad[branch]name"' '
	test_when_finished "rm -f .git/objects/pack_* .git/objects/index_*" &&
	cat >input <<-INPUT_END &&
		commit bad[branch]name
		committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
		data <<COMMIT
		corrupt
		COMMIT

		from refs/heads/main

	INPUT_END
	test_must_fail git fast-import <input
'

test_expect_success 'git branch shows badly named ref as warning' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	git branch >output 2>error &&
	test_i18ngrep -e "ignoring ref with broken name refs/heads/broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -d can delete badly named ref' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	git branch -d broken...ref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -D can delete badly named ref' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	git branch -D broken...ref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -D cannot delete non-ref in .git dir' '
	echo precious >.git/my-private-file &&
	echo precious >expect &&
	test_must_fail git branch -D ../../my-private-file &&
	test_cmp expect .git/my-private-file
'

test_expect_success 'branch -D cannot delete ref in .git dir' '
	git rev-parse HEAD >.git/my-private-file &&
	git rev-parse HEAD >expect &&
	git branch foo/legit &&
	test_must_fail git branch -D foo////./././../../../my-private-file &&
	test_cmp expect .git/my-private-file
'

test_expect_success 'branch -D cannot delete absolute path' '
	git branch -f extra &&
	test_must_fail git branch -D "$(pwd)/.git/refs/heads/extra" &&
	test_cmp_rev HEAD extra
'

test_expect_success 'git branch cannot create a badly named ref' '
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	test_must_fail git branch broken...ref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -m cannot rename to a bad ref name' '
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	test_might_fail git branch -D goodref &&
	git branch goodref &&
	test_must_fail git branch -m goodref broken...ref &&
	test_cmp_rev main goodref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_failure 'branch -m can rename from a bad ref name' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	git branch -m broken...ref renamed &&
	test_cmp_rev main renamed &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'push cannot create a badly named ref' '
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	test_must_fail git push "file://$(pwd)" HEAD:refs/heads/broken...ref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_failure 'push --mirror can delete badly named ref' '
	top=$(pwd) &&
	git init src &&
	git init dest &&

	(
		cd src &&
		test_commit one
	) &&
	(
		cd dest &&
		test_commit two &&
		git checkout --detach &&
		cp .git/refs/heads/main .git/refs/heads/broken...ref
	) &&
	git -C src push --mirror "file://$top/dest" &&
	git -C dest branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'rev-parse skips symref pointing to broken name' '
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	git branch shadow one &&
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	printf "ref: refs/heads/broken...ref\n" >.git/refs/tags/shadow &&
	test_when_finished "rm -f .git/refs/tags/shadow" &&
	git rev-parse --verify one >expect &&
	git rev-parse --verify shadow >actual 2>err &&
	test_cmp expect actual &&
	test_i18ngrep "ignoring dangling symref refs/tags/shadow" err
'

test_expect_success 'for-each-ref emits warnings for broken names' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	test_when_finished "rm -f .git/refs/heads/badname" &&
	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	git for-each-ref >output 2>error &&
	! grep -e "broken\.\.\.ref" output &&
	! grep -e "badname" output &&
	! grep -e "broken\.\.\.symref" output &&
	test_i18ngrep "ignoring ref with broken name refs/heads/broken\.\.\.ref" error &&
	test_i18ngrep "ignoring broken ref refs/heads/badname" error &&
	test_i18ngrep "ignoring ref with broken name refs/heads/broken\.\.\.symref" error
'

test_expect_success 'update-ref -d can delete broken name' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	git update-ref -d refs/heads/broken...ref >output 2>error &&
	test_must_be_empty output &&
	test_must_be_empty error &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -d can delete broken name' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	git branch -d broken...ref >output 2>error &&
	test_i18ngrep "Deleted branch broken...ref (was broken)" output &&
	test_must_be_empty error &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'update-ref --no-deref -d can delete symref to broken name' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	test_when_finished "rm -f .git/refs/heads/badname" &&
	git update-ref --no-deref -d refs/heads/badname >output 2>error &&
	test_path_is_missing .git/refs/heads/badname &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'branch -d can delete symref to broken name' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	test_when_finished "rm -f .git/refs/heads/badname" &&
	git branch -d badname >output 2>error &&
	test_path_is_missing .git/refs/heads/badname &&
	test_i18ngrep "Deleted branch badname (was refs/heads/broken\.\.\.ref)" output &&
	test_must_be_empty error
'

test_expect_success 'update-ref --no-deref -d can delete dangling symref to broken name' '
	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	test_when_finished "rm -f .git/refs/heads/badname" &&
	git update-ref --no-deref -d refs/heads/badname >output 2>error &&
	test_path_is_missing .git/refs/heads/badname &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'branch -d can delete dangling symref to broken name' '
	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	test_when_finished "rm -f .git/refs/heads/badname" &&
	git branch -d badname >output 2>error &&
	test_path_is_missing .git/refs/heads/badname &&
	test_i18ngrep "Deleted branch badname (was refs/heads/broken\.\.\.ref)" output &&
	test_must_be_empty error
'

test_expect_success 'update-ref -d can delete broken name through symref' '
	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	test_when_finished "rm -f .git/refs/heads/badname" &&
	git update-ref -d refs/heads/badname >output 2>error &&
	test_path_is_missing .git/refs/heads/broken...ref &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'update-ref --no-deref -d can delete symref with broken name' '
	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	git update-ref --no-deref -d refs/heads/broken...symref >output 2>error &&
	test_path_is_missing .git/refs/heads/broken...symref &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'branch -d can delete symref with broken name' '
	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	git branch -d broken...symref >output 2>error &&
	test_path_is_missing .git/refs/heads/broken...symref &&
	test_i18ngrep "Deleted branch broken...symref (was refs/heads/main)" output &&
	test_must_be_empty error
'

test_expect_success 'update-ref --no-deref -d can delete dangling symref with broken name' '
	printf "ref: refs/heads/idonotexist\n" >.git/refs/heads/broken...symref &&
	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	git update-ref --no-deref -d refs/heads/broken...symref >output 2>error &&
	test_path_is_missing .git/refs/heads/broken...symref &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'branch -d can delete dangling symref with broken name' '
	printf "ref: refs/heads/idonotexist\n" >.git/refs/heads/broken...symref &&
	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	git branch -d broken...symref >output 2>error &&
	test_path_is_missing .git/refs/heads/broken...symref &&
	test_i18ngrep "Deleted branch broken...symref (was refs/heads/idonotexist)" output &&
	test_must_be_empty error
'

test_expect_success 'update-ref -d cannot delete non-ref in .git dir' '
	echo precious >.git/my-private-file &&
	echo precious >expect &&
	test_must_fail git update-ref -d my-private-file >output 2>error &&
	test_must_be_empty output &&
	test_i18ngrep -e "refusing to update ref with bad name" error &&
	test_cmp expect .git/my-private-file
'

test_expect_success 'update-ref -d cannot delete absolute path' '
	git branch -f extra &&
	test_must_fail git update-ref -d "$(pwd)/.git/refs/heads/extra" &&
	test_cmp_rev HEAD extra
'

test_expect_success 'update-ref --stdin fails create with bad ref name' '
	echo "create ~a refs/heads/main" >stdin &&
	test_must_fail git update-ref --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'update-ref --stdin fails update with bad ref name' '
	echo "update ~a refs/heads/main" >stdin &&
	test_must_fail git update-ref --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'update-ref --stdin fails delete with bad ref name' '
	echo "delete ~a refs/heads/main" >stdin &&
	test_must_fail git update-ref --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'update-ref --stdin -z fails create with bad ref name' '
	printf "%s\0" "create ~a " refs/heads/main >stdin &&
	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a " err
'

test_expect_success 'update-ref --stdin -z fails update with bad ref name' '
	printf "%s\0" "update ~a" refs/heads/main "" >stdin &&
	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'update-ref --stdin -z fails delete with bad ref name' '
	printf "%s\0" "delete ~a" refs/heads/main >stdin &&
	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'branch rejects HEAD as a branch name' '
	test_must_fail git branch HEAD HEAD^ &&
	test_must_fail git show-ref refs/heads/HEAD
'

test_expect_success 'checkout -b rejects HEAD as a branch name' '
	test_must_fail git checkout -B HEAD HEAD^ &&
	test_must_fail git show-ref refs/heads/HEAD
'

test_expect_success 'update-ref can operate on refs/heads/HEAD' '
	git update-ref refs/heads/HEAD HEAD^ &&
	git show-ref refs/heads/HEAD &&
	git update-ref -d refs/heads/HEAD &&
	test_must_fail git show-ref refs/heads/HEAD
'

test_expect_success 'branch -d can remove refs/heads/HEAD' '
	git update-ref refs/heads/HEAD HEAD^ &&
	git branch -d HEAD &&
	test_must_fail git show-ref refs/heads/HEAD
'

test_expect_success 'branch -m can rename refs/heads/HEAD' '
	git update-ref refs/heads/HEAD HEAD^ &&
	git branch -m HEAD tail &&
	test_must_fail git show-ref refs/heads/HEAD &&
	git show-ref refs/heads/tail
'

test_expect_success 'branch -d can remove refs/heads/-dash' '
	git update-ref refs/heads/-dash HEAD^ &&
	git branch -d -- -dash &&
	test_must_fail git show-ref refs/heads/-dash
'

test_expect_success 'branch -m can rename refs/heads/-dash' '
	git update-ref refs/heads/-dash HEAD^ &&
	git branch -m -- -dash dash &&
	test_must_fail git show-ref refs/heads/-dash &&
	git show-ref refs/heads/dash
'

test_done
Commit	Line	Data
8159f4af RS	1	#!/bin/sh
	2
	3	test_description='Test handling of ref names that check-ref-format rejects'
06d53148	4	GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
334afbc7 JS	5	export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
334afbc7 JS	6
8159f4af RS	7	. ./test-lib.sh
	8
	9	test_expect_success setup '
d0f810f0 RS	10	test_commit one &&
d0f810f0 RS	11	test_commit two
8159f4af RS	12	'
	13
	14	test_expect_success 'fast-import: fail on invalid branch name ".badbranchname"' '
	15	test_when_finished "rm -f .git/objects/pack_* .git/objects/index_*" &&
	16	cat >input <<-INPUT_END &&
	17	commit .badbranchname
	18	committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
	19	data <<COMMIT
	20	corrupt
	21	COMMIT
	22
06d53148	23	from refs/heads/main
8159f4af RS	24
	25	INPUT_END
	26	test_must_fail git fast-import <input
	27	'
	28
	29	test_expect_success 'fast-import: fail on invalid branch name "bad[branch]name"' '
	30	test_when_finished "rm -f .git/objects/pack_* .git/objects/index_*" &&
	31	cat >input <<-INPUT_END &&
	32	commit bad[branch]name
	33	committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
	34	data <<COMMIT
	35	corrupt
	36	COMMIT
	37
06d53148	38	from refs/heads/main
8159f4af RS	39
	40	INPUT_END
	41	test_must_fail git fast-import <input
	42	'
	43
aedcb7dc	44	test_expect_success 'git branch shows badly named ref as warning' '
06d53148	45	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
d0f810f0	46	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
aedcb7dc	47	git branch >output 2>error &&
f86d8350	48	test_i18ngrep -e "ignoring ref with broken name refs/heads/broken\.\.\.ref" error &&
aedcb7dc	49	! grep -e "broken\.\.\.ref" output
d0f810f0 RS	50	'
	51
	52	test_expect_success 'branch -d can delete badly named ref' '
06d53148	53	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
d0f810f0 RS	54	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
d0f810f0 RS	55	git branch -d broken...ref &&
aedcb7dc KN	56	git branch >output 2>error &&
aedcb7dc KN	57	! grep -e "broken\.\.\.ref" error &&
d0f810f0 RS	58	! grep -e "broken\.\.\.ref" output
	59	'
	60
	61	test_expect_success 'branch -D can delete badly named ref' '
06d53148	62	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
d0f810f0 RS	63	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
d0f810f0 RS	64	git branch -D broken...ref &&
aedcb7dc KN	65	git branch >output 2>error &&
aedcb7dc KN	66	! grep -e "broken\.\.\.ref" error &&
d0f810f0 RS	67	! grep -e "broken\.\.\.ref" output
	68	'
	69
	70	test_expect_success 'branch -D cannot delete non-ref in .git dir' '
	71	echo precious >.git/my-private-file &&
	72	echo precious >expect &&
	73	test_must_fail git branch -D ../../my-private-file &&
	74	test_cmp expect .git/my-private-file
	75	'
	76
a3372926 JK	77	test_expect_success 'branch -D cannot delete ref in .git dir' '
	78	git rev-parse HEAD >.git/my-private-file &&
	79	git rev-parse HEAD >expect &&
	80	git branch foo/legit &&
	81	test_must_fail git branch -D foo////./././../../../my-private-file &&
	82	test_cmp expect .git/my-private-file
	83	'
	84
d0f810f0 RS	85	test_expect_success 'branch -D cannot delete absolute path' '
	86	git branch -f extra &&
	87	test_must_fail git branch -D "$(pwd)/.git/refs/heads/extra" &&
	88	test_cmp_rev HEAD extra
	89	'
	90
	91	test_expect_success 'git branch cannot create a badly named ref' '
	92	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	93	test_must_fail git branch broken...ref &&
aedcb7dc KN	94	git branch >output 2>error &&
aedcb7dc KN	95	! grep -e "broken\.\.\.ref" error &&
d0f810f0 RS	96	! grep -e "broken\.\.\.ref" output
	97	'
	98
	99	test_expect_success 'branch -m cannot rename to a bad ref name' '
	100	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	101	test_might_fail git branch -D goodref &&
	102	git branch goodref &&
	103	test_must_fail git branch -m goodref broken...ref &&
06d53148	104	test_cmp_rev main goodref &&
aedcb7dc KN	105	git branch >output 2>error &&
aedcb7dc KN	106	! grep -e "broken\.\.\.ref" error &&
d0f810f0 RS	107	! grep -e "broken\.\.\.ref" output
	108	'
	109
	110	test_expect_failure 'branch -m can rename from a bad ref name' '
06d53148	111	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
d0f810f0 RS	112	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
d0f810f0 RS	113	git branch -m broken...ref renamed &&
06d53148	114	test_cmp_rev main renamed &&
aedcb7dc KN	115	git branch >output 2>error &&
aedcb7dc KN	116	! grep -e "broken\.\.\.ref" error &&
d0f810f0 RS	117	! grep -e "broken\.\.\.ref" output
	118	'
	119
	120	test_expect_success 'push cannot create a badly named ref' '
	121	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	122	test_must_fail git push "file://$(pwd)" HEAD:refs/heads/broken...ref &&
aedcb7dc KN	123	git branch >output 2>error &&
aedcb7dc KN	124	! grep -e "broken\.\.\.ref" error &&
d0f810f0 RS	125	! grep -e "broken\.\.\.ref" output
	126	'
	127
a926c4b9	128	test_expect_failure 'push --mirror can delete badly named ref' '
d0f810f0 RS	129	top=$(pwd) &&
	130	git init src &&
	131	git init dest &&
	132
	133	(
	134	cd src &&
	135	test_commit one
	136	) &&
	137	(
	138	cd dest &&
	139	test_commit two &&
	140	git checkout --detach &&
06d53148	141	cp .git/refs/heads/main .git/refs/heads/broken...ref
d0f810f0 RS	142	) &&
d0f810f0 RS	143	git -C src push --mirror "file://$top/dest" &&
aedcb7dc KN	144	git -C dest branch >output 2>error &&
aedcb7dc KN	145	! grep -e "broken\.\.\.ref" error &&
d0f810f0 RS	146	! grep -e "broken\.\.\.ref" output
	147	'
	148
	149	test_expect_success 'rev-parse skips symref pointing to broken name' '
	150	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	151	git branch shadow one &&
06d53148	152	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
6141a6dc	153	printf "ref: refs/heads/broken...ref\n" >.git/refs/tags/shadow &&
45669a79	154	test_when_finished "rm -f .git/refs/tags/shadow" &&
d0f810f0 RS	155	git rev-parse --verify one >expect &&
	156	git rev-parse --verify shadow >actual 2>err &&
	157	test_cmp expect actual &&
f86d8350	158	test_i18ngrep "ignoring dangling symref refs/tags/shadow" err
d0f810f0 RS	159	'
d0f810f0 RS	160
b78ceced	161	test_expect_success 'for-each-ref emits warnings for broken names' '
06d53148	162	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
b78ceced MH	163	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	164	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	165	test_when_finished "rm -f .git/refs/heads/badname" &&
06d53148	166	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
b78ceced MH	167	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	168	git for-each-ref >output 2>error &&
	169	! grep -e "broken\.\.\.ref" output &&
	170	! grep -e "badname" output &&
	171	! grep -e "broken\.\.\.symref" output &&
	172	test_i18ngrep "ignoring ref with broken name refs/heads/broken\.\.\.ref" error &&
	173	test_i18ngrep "ignoring broken ref refs/heads/badname" error &&
	174	test_i18ngrep "ignoring ref with broken name refs/heads/broken\.\.\.symref" error
	175	'
	176
757552db	177	test_expect_success 'update-ref -d can delete broken name' '
06d53148	178	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
757552db MH	179	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	180	git update-ref -d refs/heads/broken...ref >output 2>error &&
	181	test_must_be_empty output &&
	182	test_must_be_empty error &&
	183	git branch >output 2>error &&
	184	! grep -e "broken\.\.\.ref" error &&
	185	! grep -e "broken\.\.\.ref" output
	186	'
	187
	188	test_expect_success 'branch -d can delete broken name' '
06d53148	189	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
757552db MH	190	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	191	git branch -d broken...ref >output 2>error &&
	192	test_i18ngrep "Deleted branch broken...ref (was broken)" output &&
	193	test_must_be_empty error &&
	194	git branch >output 2>error &&
	195	! grep -e "broken\.\.\.ref" error &&
	196	! grep -e "broken\.\.\.ref" output
	197	'
	198
	199	test_expect_success 'update-ref --no-deref -d can delete symref to broken name' '
06d53148	200	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
757552db	201	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
6141a6dc	202	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
8159f4af	203	test_when_finished "rm -f .git/refs/heads/badname" &&
f86d8350 MH	204	git update-ref --no-deref -d refs/heads/badname >output 2>error &&
	205	test_path_is_missing .git/refs/heads/badname &&
	206	test_must_be_empty output &&
	207	test_must_be_empty error
8159f4af RS	208	'
8159f4af RS	209
757552db	210	test_expect_success 'branch -d can delete symref to broken name' '
06d53148	211	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
d0f810f0	212	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
757552db MH	213	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	214	test_when_finished "rm -f .git/refs/heads/badname" &&
	215	git branch -d badname >output 2>error &&
	216	test_path_is_missing .git/refs/heads/badname &&
	217	test_i18ngrep "Deleted branch badname (was refs/heads/broken\.\.\.ref)" output &&
	218	test_must_be_empty error
	219	'
	220
	221	test_expect_success 'update-ref --no-deref -d can delete dangling symref to broken name' '
	222	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	223	test_when_finished "rm -f .git/refs/heads/badname" &&
	224	git update-ref --no-deref -d refs/heads/badname >output 2>error &&
	225	test_path_is_missing .git/refs/heads/badname &&
f86d8350	226	test_must_be_empty output &&
757552db MH	227	test_must_be_empty error
	228	'
	229
	230	test_expect_success 'branch -d can delete dangling symref to broken name' '
	231	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	232	test_when_finished "rm -f .git/refs/heads/badname" &&
	233	git branch -d badname >output 2>error &&
	234	test_path_is_missing .git/refs/heads/badname &&
	235	test_i18ngrep "Deleted branch badname (was refs/heads/broken\.\.\.ref)" output &&
	236	test_must_be_empty error
	237	'
	238
	239	test_expect_success 'update-ref -d can delete broken name through symref' '
06d53148	240	cp .git/refs/heads/main .git/refs/heads/broken...ref &&
757552db MH	241	test_when_finished "rm -f .git/refs/heads/broken...ref" &&
	242	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	243	test_when_finished "rm -f .git/refs/heads/badname" &&
	244	git update-ref -d refs/heads/badname >output 2>error &&
	245	test_path_is_missing .git/refs/heads/broken...ref &&
	246	test_must_be_empty output &&
	247	test_must_be_empty error
	248	'
	249
	250	test_expect_success 'update-ref --no-deref -d can delete symref with broken name' '
06d53148	251	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
757552db MH	252	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	253	git update-ref --no-deref -d refs/heads/broken...symref >output 2>error &&
	254	test_path_is_missing .git/refs/heads/broken...symref &&
	255	test_must_be_empty output &&
	256	test_must_be_empty error
	257	'
	258
	259	test_expect_success 'branch -d can delete symref with broken name' '
06d53148	260	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
757552db MH	261	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	262	git branch -d broken...symref >output 2>error &&
	263	test_path_is_missing .git/refs/heads/broken...symref &&
06d53148	264	test_i18ngrep "Deleted branch broken...symref (was refs/heads/main)" output &&
757552db MH	265	test_must_be_empty error
	266	'
	267
	268	test_expect_success 'update-ref --no-deref -d can delete dangling symref with broken name' '
	269	printf "ref: refs/heads/idonotexist\n" >.git/refs/heads/broken...symref &&
	270	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	271	git update-ref --no-deref -d refs/heads/broken...symref >output 2>error &&
	272	test_path_is_missing .git/refs/heads/broken...symref &&
	273	test_must_be_empty output &&
	274	test_must_be_empty error
	275	'
	276
	277	test_expect_success 'branch -d can delete dangling symref with broken name' '
	278	printf "ref: refs/heads/idonotexist\n" >.git/refs/heads/broken...symref &&
	279	test_when_finished "rm -f .git/refs/heads/broken...symref" &&
	280	git branch -d broken...symref >output 2>error &&
	281	test_path_is_missing .git/refs/heads/broken...symref &&
	282	test_i18ngrep "Deleted branch broken...symref (was refs/heads/idonotexist)" output &&
	283	test_must_be_empty error
d0f810f0 RS	284	'
	285
	286	test_expect_success 'update-ref -d cannot delete non-ref in .git dir' '
	287	echo precious >.git/my-private-file &&
	288	echo precious >expect &&
f86d8350 MH	289	test_must_fail git update-ref -d my-private-file >output 2>error &&
f86d8350 MH	290	test_must_be_empty output &&
8a679de6	291	test_i18ngrep -e "refusing to update ref with bad name" error &&
d0f810f0 RS	292	test_cmp expect .git/my-private-file
	293	'
	294
	295	test_expect_success 'update-ref -d cannot delete absolute path' '
	296	git branch -f extra &&
	297	test_must_fail git update-ref -d "$(pwd)/.git/refs/heads/extra" &&
	298	test_cmp_rev HEAD extra
	299	'
	300
8159f4af	301	test_expect_success 'update-ref --stdin fails create with bad ref name' '
06d53148	302	echo "create ~a refs/heads/main" >stdin &&
8159f4af RS	303	test_must_fail git update-ref --stdin <stdin 2>err &&
	304	grep "fatal: invalid ref format: ~a" err
	305	'
	306
	307	test_expect_success 'update-ref --stdin fails update with bad ref name' '
06d53148	308	echo "update ~a refs/heads/main" >stdin &&
8159f4af RS	309	test_must_fail git update-ref --stdin <stdin 2>err &&
	310	grep "fatal: invalid ref format: ~a" err
	311	'
	312
	313	test_expect_success 'update-ref --stdin fails delete with bad ref name' '
06d53148	314	echo "delete ~a refs/heads/main" >stdin &&
8159f4af RS	315	test_must_fail git update-ref --stdin <stdin 2>err &&
	316	grep "fatal: invalid ref format: ~a" err
	317	'
	318
	319	test_expect_success 'update-ref --stdin -z fails create with bad ref name' '
06d53148	320	printf "%s\0" "create ~a " refs/heads/main >stdin &&
8159f4af RS	321	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	322	grep "fatal: invalid ref format: ~a " err
	323	'
	324
	325	test_expect_success 'update-ref --stdin -z fails update with bad ref name' '
06d53148	326	printf "%s\0" "update ~a" refs/heads/main "" >stdin &&
8159f4af RS	327	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	328	grep "fatal: invalid ref format: ~a" err
	329	'
	330
	331	test_expect_success 'update-ref --stdin -z fails delete with bad ref name' '
06d53148	332	printf "%s\0" "delete ~a" refs/heads/main >stdin &&
8159f4af RS	333	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	334	grep "fatal: invalid ref format: ~a" err
	335	'
	336
a625b092 JH	337	test_expect_success 'branch rejects HEAD as a branch name' '
	338	test_must_fail git branch HEAD HEAD^ &&
	339	test_must_fail git show-ref refs/heads/HEAD
	340	'
	341
	342	test_expect_success 'checkout -b rejects HEAD as a branch name' '
	343	test_must_fail git checkout -B HEAD HEAD^ &&
	344	test_must_fail git show-ref refs/heads/HEAD
	345	'
	346
	347	test_expect_success 'update-ref can operate on refs/heads/HEAD' '
	348	git update-ref refs/heads/HEAD HEAD^ &&
	349	git show-ref refs/heads/HEAD &&
	350	git update-ref -d refs/heads/HEAD &&
	351	test_must_fail git show-ref refs/heads/HEAD
	352	'
	353
	354	test_expect_success 'branch -d can remove refs/heads/HEAD' '
	355	git update-ref refs/heads/HEAD HEAD^ &&
	356	git branch -d HEAD &&
	357	test_must_fail git show-ref refs/heads/HEAD
	358	'
	359
	360	test_expect_success 'branch -m can rename refs/heads/HEAD' '
	361	git update-ref refs/heads/HEAD HEAD^ &&
	362	git branch -m HEAD tail &&
	363	test_must_fail git show-ref refs/heads/HEAD &&
	364	git show-ref refs/heads/tail
	365	'
	366
	367	test_expect_success 'branch -d can remove refs/heads/-dash' '
	368	git update-ref refs/heads/-dash HEAD^ &&
	369	git branch -d -- -dash &&
	370	test_must_fail git show-ref refs/heads/-dash
	371	'
	372
	373	test_expect_success 'branch -m can rename refs/heads/-dash' '
	374	git update-ref refs/heads/-dash HEAD^ &&
	375	git branch -m -- -dash dash &&
	376	test_must_fail git show-ref refs/heads/-dash &&
	377	git show-ref refs/heads/dash
	378	'
	379
8159f4af	380	test_done