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

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

test_description='Test prune and reflog expiration'
. ./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 () {
	output=$(git fsck --full)
	case "$1" in
	'')
		test -z "$output" ;;
	*)
		echo "$output" | grep "$1" ;;
	esac
}

corrupt () {
	aa=${1%??????????????????????????????????????} zz=${1#??}
	mv .git/objects/$aa/$zz .git/$aa$zz
}

recover () {
	aa=${1%??????????????????????????????????????} zz=${1#??}
	mkdir -p .git/objects/$aa
	mv .git/$aa$zz .git/objects/$aa/$zz
}

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/master >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/master >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/master >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/master >output &&
	test_line_count = 2 output &&

	check_fsck "dangling commit $K"
'

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=$(git reflog | wc -l) &&
	master_entry_count=$(git reflog show master | wc -l) &&

	test $HEAD_entry_count = 5 &&
	test $master_entry_count = 5 &&


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

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

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

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

	git reflog delete master@{07.04.2005.15:15:00.-0700} &&
	git reflog show master > output &&
	test $(($master_entry_count - 1)) = $(wc -l < output) &&
	! grep dragon < output

'

test_expect_success 'rewind2' '

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

test_expect_success 'gc.reflogexpire=never' '

	git config gc.reflogexpire never &&
	git config gc.reflogexpireunreachable never &&
	git reflog expire --verbose --all &&
	git reflog refs/heads/master >output &&
	test_line_count = 4 output
'

test_expect_success 'gc.reflogexpire=false' '

	git config gc.reflogexpire false &&
	git config gc.reflogexpireunreachable false &&
	git reflog expire --verbose --all &&
	git reflog refs/heads/master >output &&
	test_line_count = 4 output &&

	git config --unset gc.reflogexpire &&
	git config --unset gc.reflogexpireunreachable

'

test_expect_success 'checkout should not delete log for packed ref' '
	test $(git reflog master | wc -l) = 4 &&
	git branch foo &&
	git pack-refs --all &&
	git checkout foo &&
	test $(git reflog master | 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 master &&
	echo "one/two@{0} branch: Created from master" >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 master &&
	echo "one@{0} branch: Created from master" >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 master &&
	echo "one/two@{0} branch: Created from master" >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 master &&
	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 'parsing reverse reflogs at BUFSIZ boundaries' '
	git checkout -b reflogskip &&
	z38=00000000000000000000000000000000000000 &&
	ident="abc <xyz> 0000000001 +0000" &&
	for i in $(test_seq 1 75); do
		printf "$z38%02d $z38%02d %s\t" $i $(($i+1)) "$ident" &&
		if test $i = 75; then
			for j in $(test_seq 1 89); do
				printf X
			done
		else
			printf X
		fi &&
		printf "\n"
	done >.git/logs/refs/heads/reflogskip &&
	git rev-parse reflogskip@{73} >actual &&
	echo ${z38}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
'

test_expect_success '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
	1	#!/bin/sh
	2	#
	3	# Copyright (c) 2007 Junio C Hamano
	4	#
	5
	6	test_description='Test prune and reflog expiration'
	7	. ./test-lib.sh
	8
	9	check_have () {
	10	gaah= &&
	11	for N in "$@"
	12	do
	13	eval "o=\$$N" && git cat-file -t $o \|\| {
	14	echo Gaah $N
	15	gaah=$N
	16	break
	17	}
	18	done &&
	19	test -z "$gaah"
	20	}
	21
	22	check_fsck () {
	23	output=$(git fsck --full)
	24	case "$1" in
	25	'')
	26	test -z "$output" ;;
	27	*)
	28	echo "$output" \| grep "$1" ;;
	29	esac
	30	}
	31
	32	corrupt () {
	33	aa=${1%??????????????????????????????????????} zz=${1#??}
	34	mv .git/objects/$aa/$zz .git/$aa$zz
	35	}
	36
	37	recover () {
	38	aa=${1%??????????????????????????????????????} zz=${1#??}
	39	mkdir -p .git/objects/$aa
	40	mv .git/$aa$zz .git/objects/$aa/$zz
	41	}
	42
	43	check_dont_have () {
	44	gaah= &&
	45	for N in "$@"
	46	do
	47	eval "o=\$$N"
	48	git cat-file -t $o && {
	49	echo Gaah $N
	50	gaah=$N
	51	break
	52	}
	53	done
	54	test -z "$gaah"
	55	}
	56
	57	test_expect_success setup '
	58	mkdir -p A/B &&
	59	echo rat >C &&
	60	echo ox >A/D &&
	61	echo tiger >A/B/E &&
	62	git add . &&
	63
	64	test_tick && git commit -m rabbit &&
	65	H=$(git rev-parse --verify HEAD) &&
	66	A=$(git rev-parse --verify HEAD:A) &&
	67	B=$(git rev-parse --verify HEAD:A/B) &&
	68	C=$(git rev-parse --verify HEAD:C) &&
	69	D=$(git rev-parse --verify HEAD:A/D) &&
	70	E=$(git rev-parse --verify HEAD:A/B/E) &&
	71	check_fsck &&
	72
	73	test_chmod +x C &&
	74	git add C &&
	75	test_tick && git commit -m dragon &&
	76	L=$(git rev-parse --verify HEAD) &&
	77	check_fsck &&
	78
	79	rm -f C A/B/E &&
	80	echo snake >F &&
	81	echo horse >A/G &&
	82	git add F A/G &&
	83	test_tick && git commit -a -m sheep &&
	84	F=$(git rev-parse --verify HEAD:F) &&
	85	G=$(git rev-parse --verify HEAD:A/G) &&
	86	I=$(git rev-parse --verify HEAD:A) &&
	87	J=$(git rev-parse --verify HEAD) &&
	88	check_fsck &&
	89
	90	rm -f A/G &&
	91	test_tick && git commit -a -m monkey &&
	92	K=$(git rev-parse --verify HEAD) &&
	93	check_fsck &&
	94
	95	check_have A B C D E F G H I J K L &&
	96
	97	git prune &&
	98
	99	check_have A B C D E F G H I J K L &&
	100
	101	check_fsck &&
	102
	103	git reflog refs/heads/master >output &&
	104	test_line_count = 4 output
	105	'
	106
	107	test_expect_success rewind '
	108	test_tick && git reset --hard HEAD~2 &&
	109	test -f C &&
	110	test -f A/B/E &&
	111	! test -f F &&
	112	! test -f A/G &&
	113
	114	check_have A B C D E F G H I J K L &&
	115
	116	git prune &&
	117
	118	check_have A B C D E F G H I J K L &&
	119
	120	git reflog refs/heads/master >output &&
	121	test_line_count = 5 output
	122	'
	123
	124	test_expect_success 'corrupt and check' '
	125
	126	corrupt $F &&
	127	check_fsck "missing blob $F"
	128
	129	'
	130
	131	test_expect_success 'reflog expire --dry-run should not touch reflog' '
	132
	133	git reflog expire --dry-run \
	134	--expire=$(($test_tick - 10000)) \
	135	--expire-unreachable=$(($test_tick - 10000)) \
	136	--stale-fix \
	137	--all &&
	138
	139	git reflog refs/heads/master >output &&
	140	test_line_count = 5 output &&
	141
	142	check_fsck "missing blob $F"
	143	'
	144
	145	test_expect_success 'reflog expire' '
	146
	147	git reflog expire --verbose \
	148	--expire=$(($test_tick - 10000)) \
	149	--expire-unreachable=$(($test_tick - 10000)) \
	150	--stale-fix \
	151	--all &&
	152
	153	git reflog refs/heads/master >output &&
	154	test_line_count = 2 output &&
	155
	156	check_fsck "dangling commit $K"
	157	'
	158
	159	test_expect_success 'prune and fsck' '
	160
	161	git prune &&
	162	check_fsck &&
	163
	164	check_have A B C D E H L &&
	165	check_dont_have F G I J K
	166
	167	'
	168
	169	test_expect_success 'recover and check' '
	170
	171	recover $F &&
	172	check_fsck "dangling blob $F"
	173
	174	'
	175
	176	test_expect_success 'delete' '
	177	echo 1 > C &&
	178	test_tick &&
	179	git commit -m rat C &&
	180
	181	echo 2 > C &&
	182	test_tick &&
	183	git commit -m ox C &&
	184
	185	echo 3 > C &&
	186	test_tick &&
	187	git commit -m tiger C &&
	188
	189	HEAD_entry_count=$(git reflog \| wc -l) &&
	190	master_entry_count=$(git reflog show master \| wc -l) &&
	191
	192	test $HEAD_entry_count = 5 &&
	193	test $master_entry_count = 5 &&
	194
	195
	196	git reflog delete master@{1} &&
	197	git reflog show master > output &&
	198	test $(($master_entry_count - 1)) = $(wc -l < output) &&
	199	test $HEAD_entry_count = $(git reflog \| wc -l) &&
	200	! grep ox < output &&
	201
	202	master_entry_count=$(wc -l < output) &&
	203
	204	git reflog delete HEAD@{1} &&
	205	test $(($HEAD_entry_count -1)) = $(git reflog \| wc -l) &&
	206	test $master_entry_count = $(git reflog show master \| wc -l) &&
	207
	208	HEAD_entry_count=$(git reflog \| wc -l) &&
	209
	210	git reflog delete master@{07.04.2005.15:15:00.-0700} &&
	211	git reflog show master > output &&
	212	test $(($master_entry_count - 1)) = $(wc -l < output) &&
	213	! grep dragon < output
	214
	215	'
	216
	217	test_expect_success 'rewind2' '
	218
	219	test_tick && git reset --hard HEAD~2 &&
	220	git reflog refs/heads/master >output &&
	221	test_line_count = 4 output
	222	'
	223
	224	test_expect_success '--expire=never' '
	225
	226	git reflog expire --verbose \
	227	--expire=never \
	228	--expire-unreachable=never \
	229	--all &&
	230	git reflog refs/heads/master >output &&
	231	test_line_count = 4 output
	232	'
	233
	234	test_expect_success 'gc.reflogexpire=never' '
	235
	236	git config gc.reflogexpire never &&
	237	git config gc.reflogexpireunreachable never &&
	238	git reflog expire --verbose --all &&
	239	git reflog refs/heads/master >output &&
	240	test_line_count = 4 output
	241	'
	242
	243	test_expect_success 'gc.reflogexpire=false' '
	244
	245	git config gc.reflogexpire false &&
	246	git config gc.reflogexpireunreachable false &&
	247	git reflog expire --verbose --all &&
	248	git reflog refs/heads/master >output &&
	249	test_line_count = 4 output &&
	250
	251	git config --unset gc.reflogexpire &&
	252	git config --unset gc.reflogexpireunreachable
	253
	254	'
	255
	256	test_expect_success 'checkout should not delete log for packed ref' '
	257	test $(git reflog master \| wc -l) = 4 &&
	258	git branch foo &&
	259	git pack-refs --all &&
	260	git checkout foo &&
	261	test $(git reflog master \| wc -l) = 4
	262	'
	263
	264	test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
	265	test_when_finished "git branch -d one \|\| git branch -d one/two" &&
	266
	267	git branch one/two master &&
	268	echo "one/two@{0} branch: Created from master" >expect &&
	269	git log -g --format="%gd %gs" one/two >actual &&
	270	test_cmp expect actual &&
	271	git branch -d one/two &&
	272
	273	# now logs/refs/heads/one is a stale directory, but
	274	# we should move it out of the way to create "one" reflog
	275	git branch one master &&
	276	echo "one@{0} branch: Created from master" >expect &&
	277	git log -g --format="%gd %gs" one >actual &&
	278	test_cmp expect actual
	279	'
	280
	281	test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
	282	test_when_finished "git branch -d one \|\| git branch -d one/two" &&
	283
	284	git branch one/two master &&
	285	echo "one/two@{0} branch: Created from master" >expect &&
	286	git log -g --format="%gd %gs" one/two >actual &&
	287	test_cmp expect actual &&
	288	git branch -d one/two &&
	289
	290	# same as before, but we only create a reflog for "one" if
	291	# it already exists, which it does not
	292	git -c core.logallrefupdates=false branch one master &&
	293	git log -g --format="%gd %gs" one >actual &&
	294	test_must_be_empty actual
	295	'
	296
	297	# Triggering the bug detected by this test requires a newline to fall
	298	# exactly BUFSIZ-1 bytes from the end of the file. We don't know
	299	# what that value is, since it's platform dependent. However, if
	300	# we choose some value N, we also catch any D which divides N evenly
	301	# (since we will read backwards in chunks of D). So we choose 8K,
	302	# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
	303	#
	304	# Each line is 114 characters, so we need 75 to still have a few before the
	305	# last 8K. The 89-character padding on the final entry lines up our
	306	# newline exactly.
	307	test_expect_success 'parsing reverse reflogs at BUFSIZ boundaries' '
	308	git checkout -b reflogskip &&
	309	z38=00000000000000000000000000000000000000 &&
	310	ident="abc <xyz> 0000000001 +0000" &&
	311	for i in $(test_seq 1 75); do
	312	printf "$z38%02d $z38%02d %s\t" $i $(($i+1)) "$ident" &&
	313	if test $i = 75; then
	314	for j in $(test_seq 1 89); do
	315	printf X
	316	done
	317	else
	318	printf X
	319	fi &&
	320	printf "\n"
	321	done >.git/logs/refs/heads/reflogskip &&
	322	git rev-parse reflogskip@{73} >actual &&
	323	echo ${z38}03 >expect &&
	324	test_cmp expect actual
	325	'
	326
	327	test_expect_success 'no segfaults for reflog containing non-commit sha1s' '
	328	git update-ref --create-reflog -m "Creating ref" \
	329	refs/tests/tree-in-reflog HEAD &&
	330	git update-ref -m "Forcing tree" refs/tests/tree-in-reflog HEAD^{tree} &&
	331	git update-ref -m "Restoring to commit" refs/tests/tree-in-reflog HEAD &&
	332	git reflog refs/tests/tree-in-reflog
	333	'
	334
	335	test_expect_failure 'reflog with non-commit entries displays all entries' '
	336	git reflog refs/tests/tree-in-reflog >actual &&
	337	test_line_count = 3 actual
	338	'
	339
	340	test_expect_success 'reflog expire operates on symref not referrent' '
	341	git branch --create-reflog the_symref &&
	342	git branch --create-reflog referrent &&
	343	git update-ref referrent HEAD &&
	344	git symbolic-ref refs/heads/the_symref refs/heads/referrent &&
	345	test_when_finished "rm -f .git/refs/heads/referrent.lock" &&
	346	touch .git/refs/heads/referrent.lock &&
	347	git reflog expire --expire=all the_symref
	348	'
	349
	350	test_expect_success 'continue walking past root commits' '
	351	git init orphanage &&
	352	(
	353	cd orphanage &&
	354	cat >expect <<-\EOF &&
	355	HEAD@{0} commit (initial): orphan2-1
	356	HEAD@{1} commit: orphan1-2
	357	HEAD@{2} commit (initial): orphan1-1
	358	HEAD@{3} commit (initial): initial
	359	EOF
	360	test_commit initial &&
	361	git checkout --orphan orphan1 &&
	362	test_commit orphan1-1 &&
	363	test_commit orphan1-2 &&
	364	git checkout --orphan orphan2 &&
	365	test_commit orphan2-1 &&
	366	git log -g --format="%gd %gs" >actual &&
	367	test_cmp expect actual
	368	)
	369	'
	370
	371	test_expect_success 'expire with multiple worktrees' '
	372	git init main-wt &&
	373	(
	374	cd main-wt &&
	375	test_tick &&
	376	test_commit foo &&
	377	git worktree add link-wt &&
	378	test_tick &&
	379	test_commit -C link-wt foobar &&
	380	test_tick &&
	381	git reflog expire --verbose --all --expire=$test_tick &&
	382	test_must_be_empty .git/worktrees/link-wt/logs/HEAD
	383	)
	384	'
	385
	386	test_done