[thirdparty/git.git] / t / t0601-reffiles-pack-refs.sh

#!/bin/sh
#
# Copyright (c) 2005 Amos Waterland
# Copyright (c) 2006 Christian Couder
#

test_description='git pack-refs should not change the branch semantic

This test runs git pack-refs and git show-ref and checks that the branch
semantic is still the same.
'

GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
GIT_TEST_DEFAULT_REF_FORMAT=files
export GIT_TEST_DEFAULT_REF_FORMAT

TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh

test_expect_success 'enable reflogs' '
	git config core.logallrefupdates true
'

test_expect_success 'prepare a trivial repository' '
	echo Hello > A &&
	git update-index --add A &&
	git commit -m "Initial commit." &&
	HEAD=$(git rev-parse --verify HEAD)
'

test_expect_success 'pack-refs --prune --all' '
	test_path_is_missing .git/packed-refs &&
	git pack-refs --no-prune --all &&
	test_path_is_file .git/packed-refs &&
	N=$(find .git/refs -type f | wc -l) &&
	test "$N" != 0 &&

	git pack-refs --prune --all &&
	test_path_is_file .git/packed-refs &&
	N=$(find .git/refs -type f) &&
	test -z "$N"
'

SHA1=

test_expect_success 'see if git show-ref works as expected' '
	git branch a &&
	SHA1=$(cat .git/refs/heads/a) &&
	echo "$SHA1 refs/heads/a" >expect &&
	git show-ref a >result &&
	test_cmp expect result
'

test_expect_success 'see if a branch still exists when packed' '
	git branch b &&
	git pack-refs --all &&
	rm -f .git/refs/heads/b &&
	echo "$SHA1 refs/heads/b" >expect &&
	git show-ref b >result &&
	test_cmp expect result
'

test_expect_success 'git branch c/d should barf if branch c exists' '
	git branch c &&
	git pack-refs --all &&
	rm -f .git/refs/heads/c &&
	test_must_fail git branch c/d
'

test_expect_success 'see if a branch still exists after git pack-refs --prune' '
	git branch e &&
	git pack-refs --all --prune &&
	echo "$SHA1 refs/heads/e" >expect &&
	git show-ref e >result &&
	test_cmp expect result
'

test_expect_success 'see if git pack-refs --prune remove ref files' '
	git branch f &&
	git pack-refs --all --prune &&
	! test -f .git/refs/heads/f
'

test_expect_success 'see if git pack-refs --prune removes empty dirs' '
	git branch r/s/t &&
	git pack-refs --all --prune &&
	! test -e .git/refs/heads/r
'

test_expect_success 'git branch g should work when git branch g/h has been deleted' '
	git branch g/h &&
	git pack-refs --all --prune &&
	git branch -d g/h &&
	git branch g &&
	git pack-refs --all &&
	git branch -d g
'

test_expect_success 'git branch i/j/k should barf if branch i exists' '
	git branch i &&
	git pack-refs --all --prune &&
	test_must_fail git branch i/j/k
'

test_expect_success 'test git branch k after branch k/l/m and k/lm have been deleted' '
	git branch k/l &&
	git branch k/lm &&
	git branch -d k/l &&
	git branch k/l/m &&
	git branch -d k/l/m &&
	git branch -d k/lm &&
	git branch k
'

test_expect_success 'test git branch n after some branch deletion and pruning' '
	git branch n/o &&
	git branch n/op &&
	git branch -d n/o &&
	git branch n/o/p &&
	git branch -d n/op &&
	git pack-refs --all --prune &&
	git branch -d n/o/p &&
	git branch n
'

test_expect_success 'test excluded refs are not packed' '
	git branch dont_pack1 &&
	git branch dont_pack2 &&
	git branch pack_this &&
	git pack-refs --all --exclude "refs/heads/dont_pack*" &&
	test -f .git/refs/heads/dont_pack1 &&
	test -f .git/refs/heads/dont_pack2 &&
	! test -f .git/refs/heads/pack_this'

test_expect_success 'test --no-exclude refs clears excluded refs' '
	git branch dont_pack3 &&
	git branch dont_pack4 &&
	git pack-refs --all --exclude "refs/heads/dont_pack*" --no-exclude &&
	! test -f .git/refs/heads/dont_pack3 &&
	! test -f .git/refs/heads/dont_pack4'

test_expect_success 'test only included refs are packed' '
	git branch pack_this1 &&
	git branch pack_this2 &&
	git tag dont_pack5 &&
	git pack-refs --include "refs/heads/pack_this*" &&
	test -f .git/refs/tags/dont_pack5 &&
	! test -f .git/refs/heads/pack_this1 &&
	! test -f .git/refs/heads/pack_this2'

test_expect_success 'test --no-include refs clears included refs' '
	git branch pack1 &&
	git branch pack2 &&
	git pack-refs --include "refs/heads/pack*" --no-include &&
	test -f .git/refs/heads/pack1 &&
	test -f .git/refs/heads/pack2'

test_expect_success 'test --exclude takes precedence over --include' '
	git branch dont_pack5 &&
	git pack-refs --include "refs/heads/pack*" --exclude "refs/heads/pack*" &&
	test -f .git/refs/heads/dont_pack5'

test_expect_success '--auto packs and prunes refs as usual' '
	git branch auto &&
	test_path_is_file .git/refs/heads/auto &&
	git pack-refs --auto --all &&
	test_path_is_missing .git/refs/heads/auto
'

test_expect_success 'see if up-to-date packed refs are preserved' '
	git branch q &&
	git pack-refs --all --prune &&
	git update-ref refs/heads/q refs/heads/q &&
	! test -f .git/refs/heads/q
'

test_expect_success 'pack, prune and repack' '
	git tag foo &&
	git pack-refs --all --prune &&
	git show-ref >all-of-them &&
	git pack-refs &&
	git show-ref >again &&
	test_cmp all-of-them again
'

test_expect_success 'explicit pack-refs with dangling packed reference' '
	git commit --allow-empty -m "soon to be garbage-collected" &&
	git pack-refs --all &&
	git reset --hard HEAD^ &&
	git reflog expire --expire=all --all &&
	git prune --expire=all &&
	git pack-refs --all 2>result &&
	test_must_be_empty result
'

test_expect_success 'delete ref with dangling packed version' '
	git checkout -b lamb &&
	git commit --allow-empty -m "future garbage" &&
	git pack-refs --all &&
	git reset --hard HEAD^ &&
	git checkout main &&
	git reflog expire --expire=all --all &&
	git prune --expire=all &&
	git branch -d lamb 2>result &&
	test_must_be_empty result
'

test_expect_success 'delete ref while another dangling packed ref' '
	git branch lamb &&
	git commit --allow-empty -m "future garbage" &&
	git pack-refs --all &&
	git reset --hard HEAD^ &&
	git reflog expire --expire=all --all &&
	git prune --expire=all &&
	git branch -d lamb 2>result &&
	test_must_be_empty result
'

test_expect_success 'pack ref directly below refs/' '
	git update-ref refs/top HEAD &&
	git pack-refs --all --prune &&
	grep refs/top .git/packed-refs &&
	test_path_is_missing .git/refs/top
'

test_expect_success 'do not pack ref in refs/bisect' '
	git update-ref refs/bisect/local HEAD &&
	git pack-refs --all --prune &&
	! grep refs/bisect/local .git/packed-refs >/dev/null &&
	test_path_is_file .git/refs/bisect/local
'

test_expect_success 'disable reflogs' '
	git config core.logallrefupdates false &&
	rm -rf .git/logs
'

test_expect_success 'create packed foo/bar/baz branch' '
	git branch foo/bar/baz &&
	git pack-refs --all --prune &&
	test_path_is_missing .git/refs/heads/foo/bar/baz &&
	test_must_fail git reflog exists refs/heads/foo/bar/baz
'

test_expect_success 'notice d/f conflict with existing directory' '
	test_must_fail git branch foo &&
	test_must_fail git branch foo/bar
'

test_expect_success 'existing directory reports concrete ref' '
	test_must_fail git branch foo 2>stderr &&
	test_grep refs/heads/foo/bar/baz stderr
'

test_expect_success 'notice d/f conflict with existing ref' '
	test_must_fail git branch foo/bar/baz/extra &&
	test_must_fail git branch foo/bar/baz/lots/of/extra/components
'

test_expect_success 'reject packed-refs with unterminated line' '
	cp .git/packed-refs .git/packed-refs.bak &&
	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	printf "%s" "$HEAD refs/zzzzz" >>.git/packed-refs &&
	echo "fatal: unterminated line in .git/packed-refs: $HEAD refs/zzzzz" >expected_err &&
	test_must_fail git for-each-ref >out 2>err &&
	test_cmp expected_err err
'

test_expect_success 'reject packed-refs containing junk' '
	cp .git/packed-refs .git/packed-refs.bak &&
	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	printf "%s\n" "bogus content" >>.git/packed-refs &&
	echo "fatal: unexpected line in .git/packed-refs: bogus content" >expected_err &&
	test_must_fail git for-each-ref >out 2>err &&
	test_cmp expected_err err
'

test_expect_success 'reject packed-refs with a short SHA-1' '
	cp .git/packed-refs .git/packed-refs.bak &&
	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	printf "%.7s %s\n" $HEAD refs/zzzzz >>.git/packed-refs &&
	printf "fatal: unexpected line in .git/packed-refs: %.7s %s\n" $HEAD refs/zzzzz >expected_err &&
	test_must_fail git for-each-ref >out 2>err &&
	test_cmp expected_err err
'

test_expect_success 'timeout if packed-refs.lock exists' '
	LOCK=.git/packed-refs.lock &&
	>"$LOCK" &&
	test_when_finished "rm -f $LOCK" &&
	test_must_fail git pack-refs --all --prune
'

test_expect_success 'retry acquiring packed-refs.lock' '
	LOCK=.git/packed-refs.lock &&
	>"$LOCK" &&
	test_when_finished "wait && rm -f $LOCK" &&
	{
		( sleep 1 && rm -f $LOCK ) &
	} &&
	git -c core.packedrefstimeout=3000 pack-refs --all --prune
'

test_expect_success SYMLINKS 'pack symlinked packed-refs' '
	# First make sure that symlinking works when reading:
	git update-ref refs/heads/lossy refs/heads/main &&
	git for-each-ref >all-refs-before &&
	mv .git/packed-refs .git/my-deviant-packed-refs &&
	ln -s my-deviant-packed-refs .git/packed-refs &&
	git for-each-ref >all-refs-linked &&
	test_cmp all-refs-before all-refs-linked &&
	git pack-refs --all --prune &&
	git for-each-ref >all-refs-packed &&
	test_cmp all-refs-before all-refs-packed &&
	test -h .git/packed-refs &&
	test "$(test_readlink .git/packed-refs)" = "my-deviant-packed-refs"
'

# The 'packed-refs' file is stored directly in .git/. This means it is global
# to the repository, and can only contain refs that are shared across all
# worktrees.
test_expect_success 'refs/worktree must not be packed' '
	test_commit initial &&
	test_commit wt1 &&
	test_commit wt2 &&
	git worktree add wt1 wt1 &&
	git worktree add wt2 wt2 &&
	git checkout initial &&
	git update-ref refs/worktree/foo HEAD &&
	git -C wt1 update-ref refs/worktree/foo HEAD &&
	git -C wt2 update-ref refs/worktree/foo HEAD &&
	git pack-refs --all &&
	test_path_is_missing .git/refs/tags/wt1 &&
	test_path_is_file .git/refs/worktree/foo &&
	test_path_is_file .git/worktrees/wt1/refs/worktree/foo &&
	test_path_is_file .git/worktrees/wt2/refs/worktree/foo
'

# we do not want to count on running pack-refs to
# actually pack it, as it is perfectly reasonable to
# skip processing a broken ref
test_expect_success 'create packed-refs file with broken ref' '
	test_tick && git commit --allow-empty -m one &&
	recoverable=$(git rev-parse HEAD) &&
	test_tick && git commit --allow-empty -m two &&
	missing=$(git rev-parse HEAD) &&
	rm -f .git/refs/heads/main &&
	cat >.git/packed-refs <<-EOF &&
	$missing refs/heads/main
	$recoverable refs/heads/other
	EOF
	echo $missing >expect &&
	git rev-parse refs/heads/main >actual &&
	test_cmp expect actual
'

test_expect_success 'pack-refs does not silently delete broken packed ref' '
	git pack-refs --all --prune &&
	git rev-parse refs/heads/main >actual &&
	test_cmp expect actual
'

test_expect_success 'pack-refs does not drop broken refs during deletion' '
	git update-ref -d refs/heads/other &&
	git rev-parse refs/heads/main >actual &&
	test_cmp expect actual
'

test_expect_success 'maintenance --auto unconditionally packs loose refs' '
	git update-ref refs/heads/something HEAD &&
	test_path_is_file .git/refs/heads/something &&
	git rev-parse refs/heads/something >expect &&
	git maintenance run --task=pack-refs --auto &&
	test_path_is_missing .git/refs/heads/something &&
	git rev-parse refs/heads/something >actual &&
	test_cmp expect actual
'

test_done
Commit	Line	Data
919a3c98 CC	1	#!/bin/sh
	2	#
	3	# Copyright (c) 2005 Amos Waterland
	4	# Copyright (c) 2006 Christian Couder
	5	#
	6
	7	test_description='git pack-refs should not change the branch semantic
	8
	9	This test runs git pack-refs and git show-ref and checks that the branch
	10	semantic is still the same.
	11	'
ca13c3e9	12
d6c6b108	13	GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
334afbc7	14	export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
ca13c3e9 PS	15	GIT_TEST_DEFAULT_REF_FORMAT=files
ca13c3e9 PS	16	export GIT_TEST_DEFAULT_REF_FORMAT
334afbc7	17
b2e5d75d	18	TEST_PASSES_SANITIZE_LEAK=true
919a3c98 CC	19	. ./test-lib.sh
919a3c98 CC	20
cbe73331 JK	21	test_expect_success 'enable reflogs' '
	22	git config core.logallrefupdates true
	23	'
3b463c3f	24
3c2f5d26 JC	25	test_expect_success 'prepare a trivial repository' '
	26	echo Hello > A &&
	27	git update-index --add A &&
	28	git commit -m "Initial commit." &&
	29	HEAD=$(git rev-parse --verify HEAD)
	30	'
919a3c98	31
ed12124d PS	32	test_expect_success 'pack-refs --prune --all' '
	33	test_path_is_missing .git/packed-refs &&
	34	git pack-refs --no-prune --all &&
	35	test_path_is_file .git/packed-refs &&
	36	N=$(find .git/refs -type f \| wc -l) &&
04530307	37	test "$N" != 0 &&
ed12124d PS	38
	39	git pack-refs --prune --all &&
	40	test_path_is_file .git/packed-refs &&
	41	N=$(find .git/refs -type f) &&
04530307 JC	42	test -z "$N"
	43	'
	44
919a3c98 CC	45	SHA1=
919a3c98 CC	46
3c2f5d26 JC	47	test_expect_success 'see if git show-ref works as expected' '
	48	git branch a &&
	49	SHA1=$(cat .git/refs/heads/a) &&
	50	echo "$SHA1 refs/heads/a" >expect &&
	51	git show-ref a >result &&
	52	test_cmp expect result
	53	'
	54
	55	test_expect_success 'see if a branch still exists when packed' '
	56	git branch b &&
	57	git pack-refs --all &&
	58	rm -f .git/refs/heads/b &&
	59	echo "$SHA1 refs/heads/b" >expect &&
	60	git show-ref b >result &&
	61	test_cmp expect result
	62	'
919a3c98	63
41ac414e	64	test_expect_success 'git branch c/d should barf if branch c exists' '
3c2f5d26 JC	65	git branch c &&
	66	git pack-refs --all &&
	67	rm -f .git/refs/heads/c &&
	68	test_must_fail git branch c/d
41ac414e	69	'
919a3c98	70
3c2f5d26 JC	71	test_expect_success 'see if a branch still exists after git pack-refs --prune' '
	72	git branch e &&
	73	git pack-refs --all --prune &&
	74	echo "$SHA1 refs/heads/e" >expect &&
	75	git show-ref e >result &&
	76	test_cmp expect result
	77	'
919a3c98	78
41ac414e	79	test_expect_success 'see if git pack-refs --prune remove ref files' '
3c2f5d26 JC	80	git branch f &&
	81	git pack-refs --all --prune &&
	82	! test -f .git/refs/heads/f
41ac414e	83	'
919a3c98	84
be7c6d46	85	test_expect_success 'see if git pack-refs --prune removes empty dirs' '
3c2f5d26 JC	86	git branch r/s/t &&
	87	git pack-refs --all --prune &&
	88	! test -e .git/refs/heads/r
be7c6d46 GP	89	'
be7c6d46 GP	90
3c2f5d26 JC	91	test_expect_success 'git branch g should work when git branch g/h has been deleted' '
	92	git branch g/h &&
	93	git pack-refs --all --prune &&
	94	git branch -d g/h &&
	95	git branch g &&
	96	git pack-refs --all &&
	97	git branch -d g
	98	'
919a3c98	99
41ac414e	100	test_expect_success 'git branch i/j/k should barf if branch i exists' '
3c2f5d26 JC	101	git branch i &&
	102	git pack-refs --all --prune &&
	103	test_must_fail git branch i/j/k
	104	'
	105
	106	test_expect_success 'test git branch k after branch k/l/m and k/lm have been deleted' '
	107	git branch k/l &&
	108	git branch k/lm &&
	109	git branch -d k/l &&
	110	git branch k/l/m &&
	111	git branch -d k/l/m &&
	112	git branch -d k/lm &&
	113	git branch k
	114	'
	115
	116	test_expect_success 'test git branch n after some branch deletion and pruning' '
	117	git branch n/o &&
	118	git branch n/op &&
	119	git branch -d n/o &&
	120	git branch n/o/p &&
	121	git branch -d n/op &&
	122	git pack-refs --all --prune &&
	123	git branch -d n/o/p &&
	124	git branch n
	125	'
14c8a681	126
826ae79f JC	127	test_expect_success 'test excluded refs are not packed' '
	128	git branch dont_pack1 &&
	129	git branch dont_pack2 &&
	130	git branch pack_this &&
	131	git pack-refs --all --exclude "refs/heads/dont_pack*" &&
	132	test -f .git/refs/heads/dont_pack1 &&
	133	test -f .git/refs/heads/dont_pack2 &&
	134	! test -f .git/refs/heads/pack_this'
	135
	136	test_expect_success 'test --no-exclude refs clears excluded refs' '
	137	git branch dont_pack3 &&
	138	git branch dont_pack4 &&
	139	git pack-refs --all --exclude "refs/heads/dont_pack*" --no-exclude &&
	140	! test -f .git/refs/heads/dont_pack3 &&
	141	! test -f .git/refs/heads/dont_pack4'
	142
4fe42f32 JC	143	test_expect_success 'test only included refs are packed' '
	144	git branch pack_this1 &&
	145	git branch pack_this2 &&
	146	git tag dont_pack5 &&
	147	git pack-refs --include "refs/heads/pack_this*" &&
	148	test -f .git/refs/tags/dont_pack5 &&
	149	! test -f .git/refs/heads/pack_this1 &&
	150	! test -f .git/refs/heads/pack_this2'
	151
	152	test_expect_success 'test --no-include refs clears included refs' '
	153	git branch pack1 &&
	154	git branch pack2 &&
	155	git pack-refs --include "refs/heads/pack*" --no-include &&
	156	test -f .git/refs/heads/pack1 &&
	157	test -f .git/refs/heads/pack2'
	158
	159	test_expect_success 'test --exclude takes precedence over --include' '
	160	git branch dont_pack5 &&
	161	git pack-refs --include "refs/heads/pack" --exclude "refs/heads/pack" &&
	162	test -f .git/refs/heads/dont_pack5'
	163
6dcffc68 PS	164	test_expect_success '--auto packs and prunes refs as usual' '
	165	git branch auto &&
	166	test_path_is_file .git/refs/heads/auto &&
	167	git pack-refs --auto --all &&
	168	test_path_is_missing .git/refs/heads/auto
	169	'
	170
3c2f5d26 JC	171	test_expect_success 'see if up-to-date packed refs are preserved' '
	172	git branch q &&
	173	git pack-refs --all --prune &&
	174	git update-ref refs/heads/q refs/heads/q &&
	175	! test -f .git/refs/heads/q
	176	'
5bdd8d4a	177
1b555932	178	test_expect_success 'pack, prune and repack' '
0cb0e143	179	git tag foo &&
5be60078 JH	180	git pack-refs --all --prune &&
	181	git show-ref >all-of-them &&
	182	git pack-refs &&
	183	git show-ref >again &&
4fdf71be	184	test_cmp all-of-them again
1b555932 LT	185	'
1b555932 LT	186
0a0b8d15 MH	187	test_expect_success 'explicit pack-refs with dangling packed reference' '
	188	git commit --allow-empty -m "soon to be garbage-collected" &&
	189	git pack-refs --all &&
	190	git reset --hard HEAD^ &&
	191	git reflog expire --expire=all --all &&
	192	git prune --expire=all &&
	193	git pack-refs --all 2>result &&
ec21ac8c	194	test_must_be_empty result
0a0b8d15 MH	195	'
	196
	197	test_expect_success 'delete ref with dangling packed version' '
	198	git checkout -b lamb &&
	199	git commit --allow-empty -m "future garbage" &&
	200	git pack-refs --all &&
	201	git reset --hard HEAD^ &&
d6c6b108	202	git checkout main &&
0a0b8d15 MH	203	git reflog expire --expire=all --all &&
	204	git prune --expire=all &&
	205	git branch -d lamb 2>result &&
ec21ac8c	206	test_must_be_empty result
0a0b8d15 MH	207	'
0a0b8d15 MH	208
ab292bc4	209	test_expect_success 'delete ref while another dangling packed ref' '
0a0b8d15 MH	210	git branch lamb &&
	211	git commit --allow-empty -m "future garbage" &&
	212	git pack-refs --all &&
	213	git reset --hard HEAD^ &&
	214	git reflog expire --expire=all --all &&
	215	git prune --expire=all &&
	216	git branch -d lamb 2>result &&
ec21ac8c	217	test_must_be_empty result
0a0b8d15 MH	218	'
0a0b8d15 MH	219
afd11d3e JK	220	test_expect_success 'pack ref directly below refs/' '
	221	git update-ref refs/top HEAD &&
	222	git pack-refs --all --prune &&
	223	grep refs/top .git/packed-refs &&
	224	test_path_is_missing .git/refs/top
	225	'
	226
ce414b33 DT	227	test_expect_success 'do not pack ref in refs/bisect' '
	228	git update-ref refs/bisect/local HEAD &&
	229	git pack-refs --all --prune &&
	230	! grep refs/bisect/local .git/packed-refs >/dev/null &&
	231	test_path_is_file .git/refs/bisect/local
	232	'
	233
cbe73331 JK	234	test_expect_success 'disable reflogs' '
	235	git config core.logallrefupdates false &&
	236	rm -rf .git/logs
	237	'
	238
	239	test_expect_success 'create packed foo/bar/baz branch' '
	240	git branch foo/bar/baz &&
	241	git pack-refs --all --prune &&
	242	test_path_is_missing .git/refs/heads/foo/bar/baz &&
d0ab0584	243	test_must_fail git reflog exists refs/heads/foo/bar/baz
cbe73331 JK	244	'
	245
	246	test_expect_success 'notice d/f conflict with existing directory' '
	247	test_must_fail git branch foo &&
	248	test_must_fail git branch foo/bar
	249	'
	250
	251	test_expect_success 'existing directory reports concrete ref' '
	252	test_must_fail git branch foo 2>stderr &&
6789275d	253	test_grep refs/heads/foo/bar/baz stderr
cbe73331 JK	254	'
	255
	256	test_expect_success 'notice d/f conflict with existing ref' '
	257	test_must_fail git branch foo/bar/baz/extra &&
	258	test_must_fail git branch foo/bar/baz/lots/of/extra/components
	259	'
	260
9308b7f3	261	test_expect_success 'reject packed-refs with unterminated line' '
02a1a420 MH	262	cp .git/packed-refs .git/packed-refs.bak &&
	263	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	264	printf "%s" "$HEAD refs/zzzzz" >>.git/packed-refs &&
	265	echo "fatal: unterminated line in .git/packed-refs: $HEAD refs/zzzzz" >expected_err &&
	266	test_must_fail git for-each-ref >out 2>err &&
	267	test_cmp expected_err err
	268	'
	269
9308b7f3	270	test_expect_success 'reject packed-refs containing junk' '
02a1a420 MH	271	cp .git/packed-refs .git/packed-refs.bak &&
	272	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	273	printf "%s\n" "bogus content" >>.git/packed-refs &&
	274	echo "fatal: unexpected line in .git/packed-refs: bogus content" >expected_err &&
	275	test_must_fail git for-each-ref >out 2>err &&
	276	test_cmp expected_err err
	277	'
	278
9308b7f3	279	test_expect_success 'reject packed-refs with a short SHA-1' '
02a1a420 MH	280	cp .git/packed-refs .git/packed-refs.bak &&
	281	test_when_finished "mv .git/packed-refs.bak .git/packed-refs" &&
	282	printf "%.7s %s\n" $HEAD refs/zzzzz >>.git/packed-refs &&
	283	printf "fatal: unexpected line in .git/packed-refs: %.7s %s\n" $HEAD refs/zzzzz >expected_err &&
	284	test_must_fail git for-each-ref >out 2>err &&
	285	test_cmp expected_err err
	286	'
	287
f4ab4f3a MH	288	test_expect_success 'timeout if packed-refs.lock exists' '
	289	LOCK=.git/packed-refs.lock &&
	290	>"$LOCK" &&
	291	test_when_finished "rm -f $LOCK" &&
	292	test_must_fail git pack-refs --all --prune
	293	'
	294
	295	test_expect_success 'retry acquiring packed-refs.lock' '
	296	LOCK=.git/packed-refs.lock &&
	297	>"$LOCK" &&
3ea67379	298	test_when_finished "wait && rm -f $LOCK" &&
f4ab4f3a	299	{
3ea67379	300	( sleep 1 && rm -f $LOCK ) &
f4ab4f3a MH	301	} &&
	302	git -c core.packedrefstimeout=3000 pack-refs --all --prune
	303	'
	304
198b808e MH	305	test_expect_success SYMLINKS 'pack symlinked packed-refs' '
198b808e MH	306	# First make sure that symlinking works when reading:
d6c6b108	307	git update-ref refs/heads/lossy refs/heads/main &&
198b808e MH	308	git for-each-ref >all-refs-before &&
	309	mv .git/packed-refs .git/my-deviant-packed-refs &&
	310	ln -s my-deviant-packed-refs .git/packed-refs &&
	311	git for-each-ref >all-refs-linked &&
	312	test_cmp all-refs-before all-refs-linked &&
	313	git pack-refs --all --prune &&
	314	git for-each-ref >all-refs-packed &&
	315	test_cmp all-refs-before all-refs-packed &&
	316	test -h .git/packed-refs &&
7c0afdf2	317	test "$(test_readlink .git/packed-refs)" = "my-deviant-packed-refs"
198b808e MH	318	'
198b808e MH	319
f0de1084 JC	320	# The 'packed-refs' file is stored directly in .git/. This means it is global
	321	# to the repository, and can only contain refs that are shared across all
	322	# worktrees.
	323	test_expect_success 'refs/worktree must not be packed' '
	324	test_commit initial &&
	325	test_commit wt1 &&
	326	test_commit wt2 &&
	327	git worktree add wt1 wt1 &&
	328	git worktree add wt2 wt2 &&
	329	git checkout initial &&
	330	git update-ref refs/worktree/foo HEAD &&
	331	git -C wt1 update-ref refs/worktree/foo HEAD &&
	332	git -C wt2 update-ref refs/worktree/foo HEAD &&
	333	git pack-refs --all &&
	334	test_path_is_missing .git/refs/tags/wt1 &&
	335	test_path_is_file .git/refs/worktree/foo &&
	336	test_path_is_file .git/worktrees/wt1/refs/worktree/foo &&
	337	test_path_is_file .git/worktrees/wt2/refs/worktree/foo
	338	'
	339
fa1033ac JC	340	# we do not want to count on running pack-refs to
	341	# actually pack it, as it is perfectly reasonable to
	342	# skip processing a broken ref
	343	test_expect_success 'create packed-refs file with broken ref' '
	344	test_tick && git commit --allow-empty -m one &&
	345	recoverable=$(git rev-parse HEAD) &&
	346	test_tick && git commit --allow-empty -m two &&
	347	missing=$(git rev-parse HEAD) &&
	348	rm -f .git/refs/heads/main &&
	349	cat >.git/packed-refs <<-EOF &&
	350	$missing refs/heads/main
	351	$recoverable refs/heads/other
	352	EOF
	353	echo $missing >expect &&
	354	git rev-parse refs/heads/main >actual &&
	355	test_cmp expect actual
	356	'
	357
	358	test_expect_success 'pack-refs does not silently delete broken packed ref' '
	359	git pack-refs --all --prune &&
	360	git rev-parse refs/heads/main >actual &&
	361	test_cmp expect actual
	362	'
	363
	364	test_expect_success 'pack-refs does not drop broken refs during deletion' '
	365	git update-ref -d refs/heads/other &&
	366	git rev-parse refs/heads/main >actual &&
	367	test_cmp expect actual
	368	'
	369
9f6714ab PS	370	test_expect_success 'maintenance --auto unconditionally packs loose refs' '
	371	git update-ref refs/heads/something HEAD &&
	372	test_path_is_file .git/refs/heads/something &&
	373	git rev-parse refs/heads/something >expect &&
	374	git maintenance run --task=pack-refs --auto &&
	375	test_path_is_missing .git/refs/heads/something &&
	376	git rev-parse refs/heads/something >actual &&
	377	test_cmp expect actual
	378	'
	379
919a3c98	380	test_done