[thirdparty/git.git] / t / t1410-reflog.sh

#!/bin/sh
#
# Copyright (c) 2007 Junio C Hamano
#

test_description='Test prune and reflog expiration'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./test-lib.sh

check_have () {
	gaah= &&
	for N in "$@"
	do
		eval "o=\$$N" && git cat-file -t $o || {
			echo Gaah $N
			gaah=$N
			break
		}
	done &&
	test -z "$gaah"
}

check_fsck () {
	git fsck --full >fsck.output
	case "$1" in
	'')
		test_must_be_empty fsck.output ;;
	*)
		test_i18ngrep "$1" fsck.output ;;
	esac
}

corrupt () {
	mv .git/objects/$(test_oid_to_path $1) .git/$1
}

recover () {
	aa=$(echo $1 | cut -c 1-2)
	mkdir -p .git/objects/$aa
	mv .git/$1 .git/objects/$(test_oid_to_path $1)
}

check_dont_have () {
	gaah= &&
	for N in "$@"
	do
		eval "o=\$$N"
		git cat-file -t $o && {
			echo Gaah $N
			gaah=$N
			break
		}
	done
	test -z "$gaah"
}

test_expect_success setup '
	mkdir -p A/B &&
	echo rat >C &&
	echo ox >A/D &&
	echo tiger >A/B/E &&
	git add . &&

	test_tick && git commit -m rabbit &&
	H=$(git rev-parse --verify HEAD) &&
	A=$(git rev-parse --verify HEAD:A) &&
	B=$(git rev-parse --verify HEAD:A/B) &&
	C=$(git rev-parse --verify HEAD:C) &&
	D=$(git rev-parse --verify HEAD:A/D) &&
	E=$(git rev-parse --verify HEAD:A/B/E) &&
	check_fsck &&

	test_chmod +x C &&
	git add C &&
	test_tick && git commit -m dragon &&
	L=$(git rev-parse --verify HEAD) &&
	check_fsck &&

	rm -f C A/B/E &&
	echo snake >F &&
	echo horse >A/G &&
	git add F A/G &&
	test_tick && git commit -a -m sheep &&
	F=$(git rev-parse --verify HEAD:F) &&
	G=$(git rev-parse --verify HEAD:A/G) &&
	I=$(git rev-parse --verify HEAD:A) &&
	J=$(git rev-parse --verify HEAD) &&
	check_fsck &&

	rm -f A/G &&
	test_tick && git commit -a -m monkey &&
	K=$(git rev-parse --verify HEAD) &&
	check_fsck &&

	check_have A B C D E F G H I J K L &&

	git prune &&

	check_have A B C D E F G H I J K L &&

	check_fsck &&

	git reflog refs/heads/main >output &&
	test_line_count = 4 output
'

test_expect_success rewind '
	test_tick && git reset --hard HEAD~2 &&
	test -f C &&
	test -f A/B/E &&
	! test -f F &&
	! test -f A/G &&

	check_have A B C D E F G H I J K L &&

	git prune &&

	check_have A B C D E F G H I J K L &&

	git reflog refs/heads/main >output &&
	test_line_count = 5 output
'

test_expect_success 'corrupt and check' '

	corrupt $F &&
	check_fsck "missing blob $F"

'

test_expect_success 'reflog expire --dry-run should not touch reflog' '

	git reflog expire --dry-run \
		--expire=$(($test_tick - 10000)) \
		--expire-unreachable=$(($test_tick - 10000)) \
		--stale-fix \
		--all &&

	git reflog refs/heads/main >output &&
	test_line_count = 5 output &&

	check_fsck "missing blob $F"
'

test_expect_success 'reflog expire' '

	git reflog expire --verbose \
		--expire=$(($test_tick - 10000)) \
		--expire-unreachable=$(($test_tick - 10000)) \
		--stale-fix \
		--all &&

	git reflog refs/heads/main >output &&
	test_line_count = 2 output &&

	check_fsck "dangling commit $K"
'

test_expect_success '--stale-fix handles missing objects generously' '
	git -c core.logAllRefUpdates=false fast-import --date-format=now <<-EOS &&
	commit refs/heads/stale-fix
	mark :1
	committer Author <a@uth.or> now
	data <<EOF
	start stale fix
	EOF
	M 100644 inline file
	data <<EOF
	contents
	EOF
	commit refs/heads/stale-fix
	committer Author <a@uth.or> now
	data <<EOF
	stale fix branch tip
	EOF
	from :1
	EOS

	parent_oid=$(git rev-parse stale-fix^) &&
	test_when_finished "recover $parent_oid" &&
	corrupt $parent_oid &&
	git reflog expire --stale-fix
'

test_expect_success 'prune and fsck' '

	git prune &&
	check_fsck &&

	check_have A B C D E H L &&
	check_dont_have F G I J K

'

test_expect_success 'recover and check' '

	recover $F &&
	check_fsck "dangling blob $F"

'

test_expect_success 'delete' '
	echo 1 > C &&
	test_tick &&
	git commit -m rat C &&

	echo 2 > C &&
	test_tick &&
	git commit -m ox C &&

	echo 3 > C &&
	test_tick &&
	git commit -m tiger C &&

	HEAD_entry_count=$(git reflog | wc -l) &&
	main_entry_count=$(git reflog show main | wc -l) &&

	test $HEAD_entry_count = 5 &&
	test $main_entry_count = 5 &&


	git reflog delete main@{1} &&
	git reflog show main > output &&
	test_line_count = $(($main_entry_count - 1)) output &&
	test $HEAD_entry_count = $(git reflog | wc -l) &&
	! grep ox < output &&

	main_entry_count=$(wc -l < output) &&

	git reflog delete HEAD@{1} &&
	test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
	test $main_entry_count = $(git reflog show main | wc -l) &&

	HEAD_entry_count=$(git reflog | wc -l) &&

	git reflog delete main@{07.04.2005.15:15:00.-0700} &&
	git reflog show main > output &&
	test_line_count = $(($main_entry_count - 1)) output &&
	! grep dragon < output

'

test_expect_success 'rewind2' '

	test_tick && git reset --hard HEAD~2 &&
	git reflog refs/heads/main >output &&
	test_line_count = 4 output
'

test_expect_success '--expire=never' '

	git reflog expire --verbose \
		--expire=never \
		--expire-unreachable=never \
		--all &&
	git reflog refs/heads/main >output &&
	test_line_count = 4 output
'

test_expect_success 'gc.reflogexpire=never' '
	test_config gc.reflogexpire never &&
	test_config gc.reflogexpireunreachable never &&

	git reflog expire --verbose --all >output &&
	test_line_count = 9 output &&

	git reflog refs/heads/main >output &&
	test_line_count = 4 output
'

test_expect_success 'gc.reflogexpire=false' '
	test_config gc.reflogexpire false &&
	test_config gc.reflogexpireunreachable false &&

	git reflog expire --verbose --all &&
	git reflog refs/heads/main >output &&
	test_line_count = 4 output

'

test_expect_success 'git reflog expire unknown reference' '
	test_config gc.reflogexpire never &&
	test_config gc.reflogexpireunreachable never &&

	test_must_fail git reflog expire main@{123} 2>stderr &&
	test_i18ngrep "points nowhere" stderr &&
	test_must_fail git reflog expire does-not-exist 2>stderr &&
	test_i18ngrep "points nowhere" stderr
'

test_expect_success 'checkout should not delete log for packed ref' '
	test $(git reflog main | wc -l) = 4 &&
	git branch foo &&
	git pack-refs --all &&
	git checkout foo &&
	test $(git reflog main | wc -l) = 4
'

test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
	test_when_finished "git branch -d one || git branch -d one/two" &&

	git branch one/two main &&
	echo "one/two@{0} branch: Created from main" >expect &&
	git log -g --format="%gd %gs" one/two >actual &&
	test_cmp expect actual &&
	git branch -d one/two &&

	# now logs/refs/heads/one is a stale directory, but
	# we should move it out of the way to create "one" reflog
	git branch one main &&
	echo "one@{0} branch: Created from main" >expect &&
	git log -g --format="%gd %gs" one >actual &&
	test_cmp expect actual
'

test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
	test_when_finished "git branch -d one || git branch -d one/two" &&

	git branch one/two main &&
	echo "one/two@{0} branch: Created from main" >expect &&
	git log -g --format="%gd %gs" one/two >actual &&
	test_cmp expect actual &&
	git branch -d one/two &&

	# same as before, but we only create a reflog for "one" if
	# it already exists, which it does not
	git -c core.logallrefupdates=false branch one main &&
	git log -g --format="%gd %gs" one >actual &&
	test_must_be_empty actual
'

# Triggering the bug detected by this test requires a newline to fall
# exactly BUFSIZ-1 bytes from the end of the file. We don't know
# what that value is, since it's platform dependent. However, if
# we choose some value N, we also catch any D which divides N evenly
# (since we will read backwards in chunks of D). So we choose 8K,
# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
#
# Each line is 114 characters, so we need 75 to still have a few before the
# last 8K. The 89-character padding on the final entry lines up our
# newline exactly.
test_expect_success SHA1 'parsing reverse reflogs at BUFSIZ boundaries' '
	git checkout -b reflogskip &&
	zf=$(test_oid zero_2) &&
	ident="abc <xyz> 0000000001 +0000" &&
	for i in $(test_seq 1 75); do
		printf "$zf%02d $zf%02d %s\t" $i $(($i+1)) "$ident" &&
		if test $i = 75; then
			for j in $(test_seq 1 89); do
				printf X || return 1
			done
		else
			printf X
		fi &&
		printf "\n" || return 1
	done >.git/logs/refs/heads/reflogskip &&
	git rev-parse reflogskip@{73} >actual &&
	echo ${zf}03 >expect &&
	test_cmp expect actual
'

test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
	git update-ref --create-reflog -m "Creating ref" \
		refs/tests/tree-in-reflog HEAD &&
	git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
	git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
	git reflog refs/tests/tree-in-reflog
'

test_expect_failure 'reflog with non-commit entries displays all entries' '
	git reflog refs/tests/tree-in-reflog >actual &&
	test_line_count = 3 actual
'

# This test takes a lock on an individual ref; this is not supported in
# reftable.
test_expect_success REFFILES 'reflog expire operates on symref not referrent' '
	git branch --create-reflog the_symref &&
	git branch --create-reflog referrent &&
	git update-ref referrent HEAD &&
	git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
	test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
	touch .git/refs/heads/referrent.lock &&
	git reflog expire --expire=all the_symref
'

test_expect_success 'continue walking past root commits' '
	git init orphanage &&
	(
		cd orphanage &&
		cat >expect <<-\EOF &&
		HEAD@{0} commit (initial): orphan2-1
		HEAD@{1} commit: orphan1-2
		HEAD@{2} commit (initial): orphan1-1
		HEAD@{3} commit (initial): initial
		EOF
		test_commit initial &&
		git checkout --orphan orphan1 &&
		test_commit orphan1-1 &&
		test_commit orphan1-2 &&
		git checkout --orphan orphan2 &&
		test_commit orphan2-1 &&
		git log -g --format="%gd %gs" >actual &&
		test_cmp expect actual
	)
'

test_expect_success 'expire with multiple worktrees' '
	git init main-wt &&
	(
		cd main-wt &&
		test_tick &&
		test_commit foo &&
		git  worktree add link-wt &&
		test_tick &&
		test_commit -C link-wt foobar &&
		test_tick &&
		git reflog expire --verbose --all --expire=$test_tick &&
		test_must_be_empty .git/worktrees/link-wt/logs/HEAD
	)
'

test_done
Commit	Line	Data
1389d9dd JH	1	#!/bin/sh
	2	#
	3	# Copyright (c) 2007 Junio C Hamano
	4	#
	5
	6	test_description='Test prune and reflog expiration'
06d53148	7	GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
334afbc7 JS	8	export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
334afbc7 JS	9
1389d9dd JH	10	. ./test-lib.sh
	11
	12	check_have () {
	13	gaah= &&
	14	for N in "$@"
	15	do
	16	eval "o=\$$N" && git cat-file -t $o \|\| {
	17	echo Gaah $N
	18	gaah=$N
	19	break
	20	}
	21	done &&
	22	test -z "$gaah"
	23	}
	24
	25	check_fsck () {
674ba340	26	git fsck --full >fsck.output
1389d9dd JH	27	case "$1" in
1389d9dd JH	28	'')
674ba340	29	test_must_be_empty fsck.output ;;
1389d9dd	30	*)
674ba340	31	test_i18ngrep "$1" fsck.output ;;
1389d9dd JH	32	esac
	33	}
	34
	35	corrupt () {
ff4cb42e	36	mv .git/objects/$(test_oid_to_path $1) .git/$1
1389d9dd JH	37	}
	38
	39	recover () {
ff4cb42e	40	aa=$(echo $1 \| cut -c 1-2)
1389d9dd	41	mkdir -p .git/objects/$aa
ff4cb42e	42	mv .git/$1 .git/objects/$(test_oid_to_path $1)
1389d9dd JH	43	}
	44
	45	check_dont_have () {
	46	gaah= &&
	47	for N in "$@"
	48	do
	49	eval "o=\$$N"
	50	git cat-file -t $o && {
	51	echo Gaah $N
	52	gaah=$N
	53	break
	54	}
	55	done
	56	test -z "$gaah"
	57	}
	58
	59	test_expect_success setup '
	60	mkdir -p A/B &&
	61	echo rat >C &&
	62	echo ox >A/D &&
	63	echo tiger >A/B/E &&
	64	git add . &&
	65
	66	test_tick && git commit -m rabbit &&
2c25eaa1 EP	67	H=$(git rev-parse --verify HEAD) &&
	68	A=$(git rev-parse --verify HEAD:A) &&
	69	B=$(git rev-parse --verify HEAD:A/B) &&
	70	C=$(git rev-parse --verify HEAD:C) &&
	71	D=$(git rev-parse --verify HEAD:A/D) &&
	72	E=$(git rev-parse --verify HEAD:A/B/E) &&
1389d9dd JH	73	check_fsck &&
1389d9dd JH	74
1f553918	75	test_chmod +x C &&
1389d9dd JH	76	git add C &&
1389d9dd JH	77	test_tick && git commit -m dragon &&
2c25eaa1	78	L=$(git rev-parse --verify HEAD) &&
1389d9dd JH	79	check_fsck &&
	80
	81	rm -f C A/B/E &&
	82	echo snake >F &&
	83	echo horse >A/G &&
	84	git add F A/G &&
	85	test_tick && git commit -a -m sheep &&
2c25eaa1 EP	86	F=$(git rev-parse --verify HEAD:F) &&
	87	G=$(git rev-parse --verify HEAD:A/G) &&
	88	I=$(git rev-parse --verify HEAD:A) &&
	89	J=$(git rev-parse --verify HEAD) &&
1389d9dd JH	90	check_fsck &&
	91
	92	rm -f A/G &&
	93	test_tick && git commit -a -m monkey &&
2c25eaa1	94	K=$(git rev-parse --verify HEAD) &&
1389d9dd JH	95	check_fsck &&
	96
	97	check_have A B C D E F G H I J K L &&
	98
026aa938	99	git prune &&
1389d9dd JH	100
	101	check_have A B C D E F G H I J K L &&
	102
	103	check_fsck &&
	104
06d53148	105	git reflog refs/heads/main >output &&
d0ab0584	106	test_line_count = 4 output
1389d9dd JH	107	'
	108
	109	test_expect_success rewind '
	110	test_tick && git reset --hard HEAD~2 &&
	111	test -f C &&
	112	test -f A/B/E &&
	113	! test -f F &&
	114	! test -f A/G &&
	115
	116	check_have A B C D E F G H I J K L &&
	117
026aa938	118	git prune &&
1389d9dd JH	119
	120	check_have A B C D E F G H I J K L &&
	121
06d53148	122	git reflog refs/heads/main >output &&
d0ab0584	123	test_line_count = 5 output
1389d9dd JH	124	'
	125
	126	test_expect_success 'corrupt and check' '
	127
	128	corrupt $F &&
	129	check_fsck "missing blob $F"
	130
	131	'
	132
	133	test_expect_success 'reflog expire --dry-run should not touch reflog' '
	134
	135	git reflog expire --dry-run \
	136	--expire=$(($test_tick - 10000)) \
	137	--expire-unreachable=$(($test_tick - 10000)) \
	138	--stale-fix \
	139	--all &&
	140
06d53148	141	git reflog refs/heads/main >output &&
d0ab0584	142	test_line_count = 5 output &&
1389d9dd JH	143
	144	check_fsck "missing blob $F"
	145	'
	146
	147	test_expect_success 'reflog expire' '
	148
	149	git reflog expire --verbose \
	150	--expire=$(($test_tick - 10000)) \
	151	--expire-unreachable=$(($test_tick - 10000)) \
	152	--stale-fix \
	153	--all &&
	154
06d53148	155	git reflog refs/heads/main >output &&
d0ab0584	156	test_line_count = 2 output &&
1389d9dd JH	157
	158	check_fsck "dangling commit $K"
	159	'
	160
c809798b JS	161	test_expect_success '--stale-fix handles missing objects generously' '
	162	git -c core.logAllRefUpdates=false fast-import --date-format=now <<-EOS &&
	163	commit refs/heads/stale-fix
	164	mark :1
	165	committer Author <a@uth.or> now
	166	data <<EOF
	167	start stale fix
	168	EOF
	169	M 100644 inline file
	170	data <<EOF
	171	contents
	172	EOF
	173	commit refs/heads/stale-fix
	174	committer Author <a@uth.or> now
	175	data <<EOF
	176	stale fix branch tip
	177	EOF
	178	from :1
	179	EOS
	180
	181	parent_oid=$(git rev-parse stale-fix^) &&
	182	test_when_finished "recover $parent_oid" &&
	183	corrupt $parent_oid &&
	184	git reflog expire --stale-fix
	185	'
	186
1389d9dd JH	187	test_expect_success 'prune and fsck' '
1389d9dd JH	188
026aa938	189	git prune &&
1389d9dd JH	190	check_fsck &&
	191
	192	check_have A B C D E H L &&
	193	check_dont_have F G I J K
	194
	195	'
	196
	197	test_expect_success 'recover and check' '
	198
	199	recover $F &&
	200	check_fsck "dangling blob $F"
	201
	202	'
	203
55beff4f	204	test_expect_success 'delete' '
552cecc2 JS	205	echo 1 > C &&
	206	test_tick &&
	207	git commit -m rat C &&
	208
	209	echo 2 > C &&
	210	test_tick &&
	211	git commit -m ox C &&
	212
	213	echo 3 > C &&
	214	test_tick &&
	215	git commit -m tiger C &&
	216
a48fcd83	217	HEAD_entry_count=$(git reflog \| wc -l) &&
06d53148	218	main_entry_count=$(git reflog show main \| wc -l) &&
38881a90 PB	219
38881a90 PB	220	test $HEAD_entry_count = 5 &&
06d53148	221	test $main_entry_count = 5 &&
38881a90	222
552cecc2	223
06d53148 JS	224	git reflog delete main@{1} &&
	225	git reflog show main > output &&
	226	test_line_count = $(($main_entry_count - 1)) output &&
38881a90	227	test $HEAD_entry_count = $(git reflog \| wc -l) &&
552cecc2 JS	228	! grep ox < output &&
552cecc2 JS	229
06d53148	230	main_entry_count=$(wc -l < output) &&
38881a90 PB	231
	232	git reflog delete HEAD@{1} &&
	233	test $(($HEAD_entry_count -1)) = $(git reflog \| wc -l) &&
06d53148	234	test $main_entry_count = $(git reflog show main \| wc -l) &&
38881a90	235
a48fcd83	236	HEAD_entry_count=$(git reflog \| wc -l) &&
38881a90	237
06d53148 JS	238	git reflog delete main@{07.04.2005.15:15:00.-0700} &&
	239	git reflog show main > output &&
	240	test_line_count = $(($main_entry_count - 1)) output &&
552cecc2	241	! grep dragon < output
50f3ac29 JH	242
	243	'
	244
4a9f4394 AS	245	test_expect_success 'rewind2' '
	246
	247	test_tick && git reset --hard HEAD~2 &&
06d53148	248	git reflog refs/heads/main >output &&
d0ab0584	249	test_line_count = 4 output
4a9f4394 AS	250	'
	251
	252	test_expect_success '--expire=never' '
	253
	254	git reflog expire --verbose \
	255	--expire=never \
	256	--expire-unreachable=never \
	257	--all &&
06d53148	258	git reflog refs/heads/main >output &&
d0ab0584	259	test_line_count = 4 output
4a9f4394 AS	260	'
	261
	262	test_expect_success 'gc.reflogexpire=never' '
a65bf78c ÆAB	263	test_config gc.reflogexpire never &&
a65bf78c ÆAB	264	test_config gc.reflogexpireunreachable never &&
4a9f4394	265
978f4307 ÆAB	266	git reflog expire --verbose --all >output &&
	267	test_line_count = 9 output &&
	268
06d53148	269	git reflog refs/heads/main >output &&
d0ab0584	270	test_line_count = 4 output
4a9f4394 AS	271	'
	272
	273	test_expect_success 'gc.reflogexpire=false' '
a65bf78c ÆAB	274	test_config gc.reflogexpire false &&
a65bf78c ÆAB	275	test_config gc.reflogexpireunreachable false &&
4a9f4394	276
4a9f4394	277	git reflog expire --verbose --all &&
06d53148	278	git reflog refs/heads/main >output &&
a65bf78c	279	test_line_count = 4 output
4a9f4394 AS	280
	281	'
	282
fe66776d ÆAB	283	test_expect_success 'git reflog expire unknown reference' '
	284	test_config gc.reflogexpire never &&
	285	test_config gc.reflogexpireunreachable never &&
	286
06d53148	287	test_must_fail git reflog expire main@{123} 2>stderr &&
fe66776d ÆAB	288	test_i18ngrep "points nowhere" stderr &&
	289	test_must_fail git reflog expire does-not-exist 2>stderr &&
	290	test_i18ngrep "points nowhere" stderr
	291	'
	292
482b8f32	293	test_expect_success 'checkout should not delete log for packed ref' '
06d53148	294	test $(git reflog main \| wc -l) = 4 &&
482b8f32 RS	295	git branch foo &&
	296	git pack-refs --all &&
	297	git checkout foo &&
06d53148	298	test $(git reflog main \| wc -l) = 4
482b8f32 RS	299	'
482b8f32 RS	300
9233887c	301	test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
aae828b9	302	test_when_finished "git branch -d one \|\| git branch -d one/two" &&
9233887c	303
06d53148 JS	304	git branch one/two main &&
06d53148 JS	305	echo "one/two@{0} branch: Created from main" >expect &&
aae828b9	306	git log -g --format="%gd %gs" one/two >actual &&
9233887c	307	test_cmp expect actual &&
aae828b9	308	git branch -d one/two &&
9233887c	309
aae828b9 JK	310	# now logs/refs/heads/one is a stale directory, but
aae828b9 JK	311	# we should move it out of the way to create "one" reflog
06d53148 JS	312	git branch one main &&
06d53148 JS	313	echo "one@{0} branch: Created from main" >expect &&
aae828b9	314	git log -g --format="%gd %gs" one >actual &&
9233887c JK	315	test_cmp expect actual
	316	'
	317
	318	test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
aae828b9	319	test_when_finished "git branch -d one \|\| git branch -d one/two" &&
9233887c	320
06d53148 JS	321	git branch one/two main &&
06d53148 JS	322	echo "one/two@{0} branch: Created from main" >expect &&
aae828b9	323	git log -g --format="%gd %gs" one/two >actual &&
9233887c	324	test_cmp expect actual &&
aae828b9	325	git branch -d one/two &&
9233887c	326
aae828b9	327	# same as before, but we only create a reflog for "one" if
9233887c	328	# it already exists, which it does not
06d53148	329	git -c core.logallrefupdates=false branch one main &&
aae828b9	330	git log -g --format="%gd %gs" one >actual &&
1c5e94f4	331	test_must_be_empty actual
9233887c JK	332	'
9233887c JK	333
e5e73ff2 JK	334	# Triggering the bug detected by this test requires a newline to fall
	335	# exactly BUFSIZ-1 bytes from the end of the file. We don't know
	336	# what that value is, since it's platform dependent. However, if
	337	# we choose some value N, we also catch any D which divides N evenly
	338	# (since we will read backwards in chunks of D). So we choose 8K,
	339	# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
	340	#
	341	# Each line is 114 characters, so we need 75 to still have a few before the
	342	# last 8K. The 89-character padding on the final entry lines up our
	343	# newline exactly.
ff4cb42e	344	test_expect_success SHA1 'parsing reverse reflogs at BUFSIZ boundaries' '
e5e73ff2	345	git checkout -b reflogskip &&
ff4cb42e	346	zf=$(test_oid zero_2) &&
e5e73ff2 JK	347	ident="abc <xyz> 0000000001 +0000" &&
e5e73ff2 JK	348	for i in $(test_seq 1 75); do
ff4cb42e	349	printf "$zf%02d $zf%02d %s\t" $i $(($i+1)) "$ident" &&
e5e73ff2 JK	350	if test $i = 75; then
e5e73ff2 JK	351	for j in $(test_seq 1 89); do
db5875aa	352	printf X \|\| return 1
e5e73ff2 JK	353	done
	354	else
	355	printf X
	356	fi &&
db5875aa	357	printf "\n" \|\| return 1
e5e73ff2 JK	358	done >.git/logs/refs/heads/reflogskip &&
e5e73ff2 JK	359	git rev-parse reflogskip@{73} >actual &&
ff4cb42e	360	echo ${zf}03 >expect &&
e5e73ff2 JK	361	test_cmp expect actual
	362	'
	363
aecad374 DK	364	test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
	365	git update-ref --create-reflog -m "Creating ref" \
	366	refs/tests/tree-in-reflog HEAD &&
	367	git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
	368	git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
	369	git reflog refs/tests/tree-in-reflog
	370	'
	371
	372	test_expect_failure 'reflog with non-commit entries displays all entries' '
	373	git reflog refs/tests/tree-in-reflog >actual &&
	374	test_line_count = 3 actual
	375	'
	376
fe144315 HWN	377	# This test takes a lock on an individual ref; this is not supported in
	378	# reftable.
	379	test_expect_success REFFILES 'reflog expire operates on symref not referrent' '
7687f19e JK	380	git branch --create-reflog the_symref &&
7687f19e JK	381	git branch --create-reflog referrent &&
41d796ed DT	382	git update-ref referrent HEAD &&
	383	git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
	384	test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
	385	touch .git/refs/heads/referrent.lock &&
	386	git reflog expire --expire=all the_symref
	387	'
	388
71abeb75 SG	389	test_expect_success 'continue walking past root commits' '
	390	git init orphanage &&
	391	(
	392	cd orphanage &&
	393	cat >expect <<-\EOF &&
	394	HEAD@{0} commit (initial): orphan2-1
	395	HEAD@{1} commit: orphan1-2
	396	HEAD@{2} commit (initial): orphan1-1
	397	HEAD@{3} commit (initial): initial
	398	EOF
	399	test_commit initial &&
71abeb75 SG	400	git checkout --orphan orphan1 &&
	401	test_commit orphan1-1 &&
	402	test_commit orphan1-2 &&
	403	git checkout --orphan orphan2 &&
	404	test_commit orphan2-1 &&
	405	git log -g --format="%gd %gs" >actual &&
	406	test_cmp expect actual
	407	)
	408	'
	409
c9ef0d95 NTND	410	test_expect_success 'expire with multiple worktrees' '
	411	git init main-wt &&
	412	(
	413	cd main-wt &&
	414	test_tick &&
	415	test_commit foo &&
	416	git worktree add link-wt &&
	417	test_tick &&
	418	test_commit -C link-wt foobar &&
	419	test_tick &&
	420	git reflog expire --verbose --all --expire=$test_tick &&
	421	test_must_be_empty .git/worktrees/link-wt/logs/HEAD
	422	)
	423	'
	424
1389d9dd	425	test_done