[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_PASSES_SANITIZE_LEAK=true
. ./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_grep "$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 'correct usage on sub-command -h' '
	test_expect_code 129 git reflog expire -h >err &&
	grep "git reflog expire" err
'

test_expect_success 'correct usage on "git reflog show -h"' '
	test_expect_code 129 git reflog show -h >err &&
	grep -F "git reflog [show]" err
'

test_expect_success 'pass through -- to sub-command' '
	test_when_finished "rm -rf repo" &&
	git init repo &&
	test_commit -C repo message --a-file contents dash-tag &&

	git -C repo reflog show -- --does-not-exist >out &&
	test_must_be_empty out &&
	git -C repo reflog show >expect &&
	git -C repo reflog show -- --a-file >actual &&
	test_cmp expect actual
'

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_grep "points nowhere" stderr &&
	test_must_fail git reflog expire does-not-exist 2>stderr &&
	test_grep "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 REFFILES,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-tool ref-store worktree:link-wt for-each-reflog-ent HEAD >actual &&
		test_must_be_empty actual
	)
'

test_expect_success 'expire one of multiple worktrees' '
	git init main-wt2 &&
	(
		cd main-wt2 &&
		test_tick &&
		test_commit foo &&
		git worktree add link-wt &&
		test_tick &&
		test_commit -C link-wt foobar &&
		test_tick &&
		test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD \
			>expect-link-wt &&
		git reflog expire --verbose --all --expire=$test_tick \
			--single-worktree &&
		test-tool ref-store worktree:main for-each-reflog-ent HEAD \
			>actual-main &&
		test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD \
			>actual-link-wt &&
		test_must_be_empty actual-main &&
		test_cmp expect-link-wt actual-link-wt
	)
'

test_expect_success 'empty reflog' '
	test_when_finished "rm -rf empty" &&
	git init empty &&
	test_commit -C empty A &&
	test-tool ref-store main create-reflog refs/heads/foo &&
	git -C empty reflog expire --all 2>err &&
	test_must_be_empty err
'

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
b2e5d75d	10	TEST_PASSES_SANITIZE_LEAK=true
1389d9dd JH	11	. ./test-lib.sh
	12
	13	check_have () {
	14	gaah= &&
	15	for N in "$@"
	16	do
	17	eval "o=\$$N" && git cat-file -t $o \|\| {
	18	echo Gaah $N
	19	gaah=$N
	20	break
	21	}
	22	done &&
	23	test -z "$gaah"
	24	}
	25
	26	check_fsck () {
674ba340	27	git fsck --full >fsck.output
1389d9dd JH	28	case "$1" in
1389d9dd JH	29	'')
674ba340	30	test_must_be_empty fsck.output ;;
1389d9dd	31	*)
6789275d	32	test_grep "$1" fsck.output ;;
1389d9dd JH	33	esac
	34	}
	35
	36	corrupt () {
ff4cb42e	37	mv .git/objects/$(test_oid_to_path $1) .git/$1
1389d9dd JH	38	}
	39
	40	recover () {
ff4cb42e	41	aa=$(echo $1 \| cut -c 1-2)
1389d9dd	42	mkdir -p .git/objects/$aa
ff4cb42e	43	mv .git/$1 .git/objects/$(test_oid_to_path $1)
1389d9dd JH	44	}
	45
	46	check_dont_have () {
	47	gaah= &&
	48	for N in "$@"
	49	do
	50	eval "o=\$$N"
	51	git cat-file -t $o && {
	52	echo Gaah $N
	53	gaah=$N
	54	break
	55	}
	56	done
	57	test -z "$gaah"
	58	}
	59
	60	test_expect_success setup '
	61	mkdir -p A/B &&
	62	echo rat >C &&
	63	echo ox >A/D &&
	64	echo tiger >A/B/E &&
	65	git add . &&
	66
	67	test_tick && git commit -m rabbit &&
2c25eaa1 EP	68	H=$(git rev-parse --verify HEAD) &&
	69	A=$(git rev-parse --verify HEAD:A) &&
	70	B=$(git rev-parse --verify HEAD:A/B) &&
	71	C=$(git rev-parse --verify HEAD:C) &&
	72	D=$(git rev-parse --verify HEAD:A/D) &&
	73	E=$(git rev-parse --verify HEAD:A/B/E) &&
1389d9dd JH	74	check_fsck &&
1389d9dd JH	75
1f553918	76	test_chmod +x C &&
1389d9dd JH	77	git add C &&
1389d9dd JH	78	test_tick && git commit -m dragon &&
2c25eaa1	79	L=$(git rev-parse --verify HEAD) &&
1389d9dd JH	80	check_fsck &&
	81
	82	rm -f C A/B/E &&
	83	echo snake >F &&
	84	echo horse >A/G &&
	85	git add F A/G &&
	86	test_tick && git commit -a -m sheep &&
2c25eaa1 EP	87	F=$(git rev-parse --verify HEAD:F) &&
	88	G=$(git rev-parse --verify HEAD:A/G) &&
	89	I=$(git rev-parse --verify HEAD:A) &&
	90	J=$(git rev-parse --verify HEAD) &&
1389d9dd JH	91	check_fsck &&
	92
	93	rm -f A/G &&
	94	test_tick && git commit -a -m monkey &&
2c25eaa1	95	K=$(git rev-parse --verify HEAD) &&
1389d9dd JH	96	check_fsck &&
	97
	98	check_have A B C D E F G H I J K L &&
	99
026aa938	100	git prune &&
1389d9dd JH	101
	102	check_have A B C D E F G H I J K L &&
	103
	104	check_fsck &&
	105
06d53148	106	git reflog refs/heads/main >output &&
d0ab0584	107	test_line_count = 4 output
1389d9dd JH	108	'
1389d9dd JH	109
e3c36758 ÆAB	110	test_expect_success 'correct usage on sub-command -h' '
	111	test_expect_code 129 git reflog expire -h >err &&
	112	grep "git reflog expire" err
	113	'
	114
fbc15b13 ÆAB	115	test_expect_success 'correct usage on "git reflog show -h"' '
	116	test_expect_code 129 git reflog show -h >err &&
	117	grep -F "git reflog [show]" err
	118	'
	119
e3c36758 ÆAB	120	test_expect_success 'pass through -- to sub-command' '
	121	test_when_finished "rm -rf repo" &&
	122	git init repo &&
	123	test_commit -C repo message --a-file contents dash-tag &&
	124
	125	git -C repo reflog show -- --does-not-exist >out &&
	126	test_must_be_empty out &&
	127	git -C repo reflog show >expect &&
	128	git -C repo reflog show -- --a-file >actual &&
	129	test_cmp expect actual
	130	'
	131
1389d9dd JH	132	test_expect_success rewind '
	133	test_tick && git reset --hard HEAD~2 &&
	134	test -f C &&
	135	test -f A/B/E &&
	136	! test -f F &&
	137	! test -f A/G &&
	138
	139	check_have A B C D E F G H I J K L &&
	140
026aa938	141	git prune &&
1389d9dd JH	142
	143	check_have A B C D E F G H I J K L &&
	144
06d53148	145	git reflog refs/heads/main >output &&
d0ab0584	146	test_line_count = 5 output
1389d9dd JH	147	'
	148
	149	test_expect_success 'corrupt and check' '
	150
	151	corrupt $F &&
	152	check_fsck "missing blob $F"
	153
	154	'
	155
	156	test_expect_success 'reflog expire --dry-run should not touch reflog' '
	157
	158	git reflog expire --dry-run \
	159	--expire=$(($test_tick - 10000)) \
	160	--expire-unreachable=$(($test_tick - 10000)) \
	161	--stale-fix \
	162	--all &&
	163
06d53148	164	git reflog refs/heads/main >output &&
d0ab0584	165	test_line_count = 5 output &&
1389d9dd JH	166
	167	check_fsck "missing blob $F"
	168	'
	169
	170	test_expect_success 'reflog expire' '
	171
	172	git reflog expire --verbose \
	173	--expire=$(($test_tick - 10000)) \
	174	--expire-unreachable=$(($test_tick - 10000)) \
	175	--stale-fix \
	176	--all &&
	177
06d53148	178	git reflog refs/heads/main >output &&
d0ab0584	179	test_line_count = 2 output &&
1389d9dd JH	180
	181	check_fsck "dangling commit $K"
	182	'
	183
c809798b JS	184	test_expect_success '--stale-fix handles missing objects generously' '
	185	git -c core.logAllRefUpdates=false fast-import --date-format=now <<-EOS &&
	186	commit refs/heads/stale-fix
	187	mark :1
	188	committer Author <a@uth.or> now
	189	data <<EOF
	190	start stale fix
	191	EOF
	192	M 100644 inline file
	193	data <<EOF
	194	contents
	195	EOF
	196	commit refs/heads/stale-fix
	197	committer Author <a@uth.or> now
	198	data <<EOF
	199	stale fix branch tip
	200	EOF
	201	from :1
	202	EOS
	203
	204	parent_oid=$(git rev-parse stale-fix^) &&
	205	test_when_finished "recover $parent_oid" &&
	206	corrupt $parent_oid &&
	207	git reflog expire --stale-fix
	208	'
	209
1389d9dd JH	210	test_expect_success 'prune and fsck' '
1389d9dd JH	211
026aa938	212	git prune &&
1389d9dd JH	213	check_fsck &&
	214
	215	check_have A B C D E H L &&
	216	check_dont_have F G I J K
	217
	218	'
	219
	220	test_expect_success 'recover and check' '
	221
	222	recover $F &&
	223	check_fsck "dangling blob $F"
	224
	225	'
	226
55beff4f	227	test_expect_success 'delete' '
552cecc2 JS	228	echo 1 > C &&
	229	test_tick &&
	230	git commit -m rat C &&
	231
	232	echo 2 > C &&
	233	test_tick &&
	234	git commit -m ox C &&
	235
	236	echo 3 > C &&
	237	test_tick &&
	238	git commit -m tiger C &&
	239
a48fcd83	240	HEAD_entry_count=$(git reflog \| wc -l) &&
06d53148	241	main_entry_count=$(git reflog show main \| wc -l) &&
38881a90 PB	242
38881a90 PB	243	test $HEAD_entry_count = 5 &&
06d53148	244	test $main_entry_count = 5 &&
38881a90	245
552cecc2	246
06d53148 JS	247	git reflog delete main@{1} &&
	248	git reflog show main > output &&
	249	test_line_count = $(($main_entry_count - 1)) output &&
38881a90	250	test $HEAD_entry_count = $(git reflog \| wc -l) &&
552cecc2 JS	251	! grep ox < output &&
552cecc2 JS	252
06d53148	253	main_entry_count=$(wc -l < output) &&
38881a90 PB	254
	255	git reflog delete HEAD@{1} &&
	256	test $(($HEAD_entry_count -1)) = $(git reflog \| wc -l) &&
06d53148	257	test $main_entry_count = $(git reflog show main \| wc -l) &&
38881a90	258
a48fcd83	259	HEAD_entry_count=$(git reflog \| wc -l) &&
38881a90	260
06d53148 JS	261	git reflog delete main@{07.04.2005.15:15:00.-0700} &&
	262	git reflog show main > output &&
	263	test_line_count = $(($main_entry_count - 1)) output &&
552cecc2	264	! grep dragon < output
50f3ac29 JH	265
	266	'
	267
4a9f4394 AS	268	test_expect_success 'rewind2' '
	269
	270	test_tick && git reset --hard HEAD~2 &&
06d53148	271	git reflog refs/heads/main >output &&
d0ab0584	272	test_line_count = 4 output
4a9f4394 AS	273	'
	274
	275	test_expect_success '--expire=never' '
	276
	277	git reflog expire --verbose \
	278	--expire=never \
	279	--expire-unreachable=never \
	280	--all &&
06d53148	281	git reflog refs/heads/main >output &&
d0ab0584	282	test_line_count = 4 output
4a9f4394 AS	283	'
	284
	285	test_expect_success 'gc.reflogexpire=never' '
a65bf78c ÆAB	286	test_config gc.reflogexpire never &&
a65bf78c ÆAB	287	test_config gc.reflogexpireunreachable never &&
4a9f4394	288
978f4307 ÆAB	289	git reflog expire --verbose --all >output &&
	290	test_line_count = 9 output &&
	291
06d53148	292	git reflog refs/heads/main >output &&
d0ab0584	293	test_line_count = 4 output
4a9f4394 AS	294	'
	295
	296	test_expect_success 'gc.reflogexpire=false' '
a65bf78c ÆAB	297	test_config gc.reflogexpire false &&
a65bf78c ÆAB	298	test_config gc.reflogexpireunreachable false &&
4a9f4394	299
4a9f4394	300	git reflog expire --verbose --all &&
06d53148	301	git reflog refs/heads/main >output &&
a65bf78c	302	test_line_count = 4 output
4a9f4394 AS	303
	304	'
	305
fe66776d ÆAB	306	test_expect_success 'git reflog expire unknown reference' '
	307	test_config gc.reflogexpire never &&
	308	test_config gc.reflogexpireunreachable never &&
	309
06d53148	310	test_must_fail git reflog expire main@{123} 2>stderr &&
6789275d	311	test_grep "points nowhere" stderr &&
fe66776d	312	test_must_fail git reflog expire does-not-exist 2>stderr &&
6789275d	313	test_grep "points nowhere" stderr
fe66776d ÆAB	314	'
fe66776d ÆAB	315
482b8f32	316	test_expect_success 'checkout should not delete log for packed ref' '
06d53148	317	test $(git reflog main \| wc -l) = 4 &&
482b8f32 RS	318	git branch foo &&
	319	git pack-refs --all &&
	320	git checkout foo &&
06d53148	321	test $(git reflog main \| wc -l) = 4
482b8f32 RS	322	'
482b8f32 RS	323
9233887c	324	test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
aae828b9	325	test_when_finished "git branch -d one \|\| git branch -d one/two" &&
9233887c	326
06d53148 JS	327	git branch one/two main &&
06d53148 JS	328	echo "one/two@{0} branch: Created from main" >expect &&
aae828b9	329	git log -g --format="%gd %gs" one/two >actual &&
9233887c	330	test_cmp expect actual &&
aae828b9	331	git branch -d one/two &&
9233887c	332
aae828b9 JK	333	# now logs/refs/heads/one is a stale directory, but
aae828b9 JK	334	# we should move it out of the way to create "one" reflog
06d53148 JS	335	git branch one main &&
06d53148 JS	336	echo "one@{0} branch: Created from main" >expect &&
aae828b9	337	git log -g --format="%gd %gs" one >actual &&
9233887c JK	338	test_cmp expect actual
	339	'
	340
	341	test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
aae828b9	342	test_when_finished "git branch -d one \|\| git branch -d one/two" &&
9233887c	343
06d53148 JS	344	git branch one/two main &&
06d53148 JS	345	echo "one/two@{0} branch: Created from main" >expect &&
aae828b9	346	git log -g --format="%gd %gs" one/two >actual &&
9233887c	347	test_cmp expect actual &&
aae828b9	348	git branch -d one/two &&
9233887c	349
aae828b9	350	# same as before, but we only create a reflog for "one" if
9233887c	351	# it already exists, which it does not
06d53148	352	git -c core.logallrefupdates=false branch one main &&
aae828b9	353	git log -g --format="%gd %gs" one >actual &&
1c5e94f4	354	test_must_be_empty actual
9233887c JK	355	'
9233887c JK	356
e5e73ff2 JK	357	# Triggering the bug detected by this test requires a newline to fall
	358	# exactly BUFSIZ-1 bytes from the end of the file. We don't know
	359	# what that value is, since it's platform dependent. However, if
	360	# we choose some value N, we also catch any D which divides N evenly
	361	# (since we will read backwards in chunks of D). So we choose 8K,
	362	# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
	363	#
	364	# Each line is 114 characters, so we need 75 to still have a few before the
	365	# last 8K. The 89-character padding on the final entry lines up our
	366	# newline exactly.
bcdff626	367	test_expect_success REFFILES,SHA1 'parsing reverse reflogs at BUFSIZ boundaries' '
e5e73ff2	368	git checkout -b reflogskip &&
ff4cb42e	369	zf=$(test_oid zero_2) &&
e5e73ff2 JK	370	ident="abc <xyz> 0000000001 +0000" &&
e5e73ff2 JK	371	for i in $(test_seq 1 75); do
ff4cb42e	372	printf "$zf%02d $zf%02d %s\t" $i $(($i+1)) "$ident" &&
e5e73ff2 JK	373	if test $i = 75; then
e5e73ff2 JK	374	for j in $(test_seq 1 89); do
db5875aa	375	printf X \|\| return 1
e5e73ff2 JK	376	done
	377	else
	378	printf X
	379	fi &&
db5875aa	380	printf "\n" \|\| return 1
e5e73ff2 JK	381	done >.git/logs/refs/heads/reflogskip &&
e5e73ff2 JK	382	git rev-parse reflogskip@{73} >actual &&
ff4cb42e	383	echo ${zf}03 >expect &&
e5e73ff2 JK	384	test_cmp expect actual
	385	'
	386
aecad374 DK	387	test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
	388	git update-ref --create-reflog -m "Creating ref" \
	389	refs/tests/tree-in-reflog HEAD &&
	390	git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
	391	git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
	392	git reflog refs/tests/tree-in-reflog
	393	'
	394
	395	test_expect_failure 'reflog with non-commit entries displays all entries' '
	396	git reflog refs/tests/tree-in-reflog >actual &&
	397	test_line_count = 3 actual
	398	'
	399
fe144315 HWN	400	# This test takes a lock on an individual ref; this is not supported in
	401	# reftable.
	402	test_expect_success REFFILES 'reflog expire operates on symref not referrent' '
7687f19e JK	403	git branch --create-reflog the_symref &&
7687f19e JK	404	git branch --create-reflog referrent &&
41d796ed DT	405	git update-ref referrent HEAD &&
	406	git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
	407	test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
	408	touch .git/refs/heads/referrent.lock &&
	409	git reflog expire --expire=all the_symref
	410	'
	411
71abeb75 SG	412	test_expect_success 'continue walking past root commits' '
	413	git init orphanage &&
	414	(
	415	cd orphanage &&
	416	cat >expect <<-\EOF &&
	417	HEAD@{0} commit (initial): orphan2-1
	418	HEAD@{1} commit: orphan1-2
	419	HEAD@{2} commit (initial): orphan1-1
	420	HEAD@{3} commit (initial): initial
	421	EOF
	422	test_commit initial &&
71abeb75 SG	423	git checkout --orphan orphan1 &&
	424	test_commit orphan1-1 &&
	425	test_commit orphan1-2 &&
	426	git checkout --orphan orphan2 &&
	427	test_commit orphan2-1 &&
	428	git log -g --format="%gd %gs" >actual &&
	429	test_cmp expect actual
	430	)
	431	'
	432
c9ef0d95 NTND	433	test_expect_success 'expire with multiple worktrees' '
	434	git init main-wt &&
	435	(
	436	cd main-wt &&
	437	test_tick &&
	438	test_commit foo &&
	439	git worktree add link-wt &&
	440	test_tick &&
	441	test_commit -C link-wt foobar &&
	442	test_tick &&
	443	git reflog expire --verbose --all --expire=$test_tick &&
8c2d8d04 HWN	444	test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD >actual &&
8c2d8d04 HWN	445	test_must_be_empty actual
c9ef0d95 NTND	446	)
	447	'
	448
26d4c51d RS	449	test_expect_success 'expire one of multiple worktrees' '
	450	git init main-wt2 &&
	451	(
	452	cd main-wt2 &&
	453	test_tick &&
	454	test_commit foo &&
	455	git worktree add link-wt &&
	456	test_tick &&
	457	test_commit -C link-wt foobar &&
	458	test_tick &&
	459	test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD \
	460	>expect-link-wt &&
	461	git reflog expire --verbose --all --expire=$test_tick \
	462	--single-worktree &&
	463	test-tool ref-store worktree:main for-each-reflog-ent HEAD \
	464	>actual-main &&
	465	test-tool ref-store worktree:link-wt for-each-reflog-ent HEAD \
	466	>actual-link-wt &&
	467	test_must_be_empty actual-main &&
	468	test_cmp expect-link-wt actual-link-wt
	469	)
	470	'
	471
88121d93	472	test_expect_success 'empty reflog' '
57be9c6d ÆAB	473	test_when_finished "rm -rf empty" &&
	474	git init empty &&
	475	test_commit -C empty A &&
88121d93	476	test-tool ref-store main create-reflog refs/heads/foo &&
57be9c6d ÆAB	477	git -C empty reflog expire --all 2>err &&
	478	test_must_be_empty err
	479	'
	480
1389d9dd	481	test_done