[thirdparty/git.git] / t / t7700-repack.sh

#!/bin/sh

test_description='git repack works correctly'

. ./test-lib.sh
. "${TEST_DIRECTORY}/lib-bitmap.sh"
. "${TEST_DIRECTORY}/lib-midx.sh"

commit_and_pack () {
	test_commit "$@" 1>&2 &&
	incrpackid=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack </dev/null) &&
	echo pack-${incrpackid}.pack
}

test_no_missing_in_packs () {
	myidx=$(ls -1 .git/objects/pack/*.idx) &&
	test_path_is_file "$myidx" &&
	git verify-pack -v alt_objects/pack/*.idx >orig.raw &&
	sed -n -e "s/^\($OID_REGEX\).*/\1/p" orig.raw | sort >orig &&
	git verify-pack -v $myidx >dest.raw &&
	cut -d" " -f1 dest.raw | sort >dest &&
	comm -23 orig dest >missing &&
	test_must_be_empty missing
}

# we expect $packid and $oid to be defined
test_has_duplicate_object () {
	want_duplicate_object="$1"
	found_duplicate_object=false
	for p in .git/objects/pack/*.idx
	do
		idx=$(basename $p)
		test "pack-$packid.idx" = "$idx" && continue
		git verify-pack -v $p >packlist || return $?
		if grep "^$oid" packlist
		then
			found_duplicate_object=true
			echo "DUPLICATE OBJECT FOUND"
			break
		fi
	done &&
	test "$want_duplicate_object" = "$found_duplicate_object"
}

test_expect_success 'objects in packs marked .keep are not repacked' '
	echo content1 >file1 &&
	echo content2 >file2 &&
	git add . &&
	test_tick &&
	git commit -m initial_commit &&
	# Create two packs
	# The first pack will contain all of the objects except one
	git rev-list --objects --all >objs &&
	grep -v file2 objs | git pack-objects pack &&
	# The second pack will contain the excluded object
	packid=$(grep file2 objs | git pack-objects pack) &&
	>pack-$packid.keep &&
	git verify-pack -v pack-$packid.idx >packlist &&
	oid=$(head -n 1 packlist | sed -e "s/^\($OID_REGEX\).*/\1/") &&
	mv pack-* .git/objects/pack/ &&
	git repack -A -d -l &&
	git prune-packed &&
	test_has_duplicate_object false
'

test_expect_success 'writing bitmaps via command-line can duplicate .keep objects' '
	# build on $oid, $packid, and .keep state from previous
	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 git repack -Adbl &&
	test_has_duplicate_object true
'

test_expect_success 'writing bitmaps via config can duplicate .keep objects' '
	# build on $oid, $packid, and .keep state from previous
	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
		git -c repack.writebitmaps=true repack -Adl &&
	test_has_duplicate_object true
'

test_expect_success 'loose objects in alternate ODB are not repacked' '
	mkdir alt_objects &&
	echo $(pwd)/alt_objects >.git/objects/info/alternates &&
	echo content3 >file3 &&
	oid=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
	git add file3 &&
	test_tick &&
	git commit -m commit_file3 &&
	git repack -a -d -l &&
	git prune-packed &&
	test_has_duplicate_object false
'

test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
	mkdir alt_objects/pack &&
	mv .git/objects/pack/* alt_objects/pack &&
	git repack -a &&
	test_no_missing_in_packs
'

test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
	rm -f .git/objects/pack/* &&
	echo new_content >>file1 &&
	git add file1 &&
	test_tick &&
	git commit -m more_content &&
	git repack &&
	git repack -a -d &&
	test_no_missing_in_packs
'

test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
	# swap the .keep so the commit object is in the pack with .keep
	for p in alt_objects/pack/*.pack
	do
		base_name=$(basename $p .pack) &&
		if test_path_is_file alt_objects/pack/$base_name.keep
		then
			rm alt_objects/pack/$base_name.keep
		else
			touch alt_objects/pack/$base_name.keep
		fi || return 1
	done &&
	git repack -a -d &&
	test_no_missing_in_packs
'

test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
	rm -f alt_objects/pack/*.keep &&
	mv .git/objects/pack/* alt_objects/pack/ &&
	coid=$(git rev-parse HEAD^{commit}) &&
	git reset --hard HEAD^ &&
	test_tick &&
	git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
	# The pack-objects call on the next line is equivalent to
	# git repack -A -d without the call to prune-packed
	git pack-objects --honor-pack-keep --non-empty --all --reflog \
	    --unpack-unreachable </dev/null pack &&
	rm -f .git/objects/pack/* &&
	mv pack-* .git/objects/pack/ &&
	git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
	! grep "^$coid " packlist &&
	echo >.git/objects/info/alternates &&
	test_must_fail git show $coid
'

test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
	echo $(pwd)/alt_objects >.git/objects/info/alternates &&
	echo "$coid" | git pack-objects --non-empty --all --reflog pack &&
	rm -f .git/objects/pack/* &&
	mv pack-* .git/objects/pack/ &&
	# The pack-objects call on the next line is equivalent to
	# git repack -A -d without the call to prune-packed
	git pack-objects --honor-pack-keep --non-empty --all --reflog \
	    --unpack-unreachable </dev/null pack &&
	rm -f .git/objects/pack/* &&
	mv pack-* .git/objects/pack/ &&
	git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
	! grep "^$coid " &&
	echo >.git/objects/info/alternates &&
	test_must_fail git show $coid
'

test_expect_success 'objects made unreachable by grafts only are kept' '
	test_tick &&
	git commit --allow-empty -m "commit 4" &&
	H0=$(git rev-parse HEAD) &&
	H1=$(git rev-parse HEAD^) &&
	H2=$(git rev-parse HEAD^^) &&
	echo "$H0 $H2" >.git/info/grafts &&
	git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
	git repack -a -d &&
	git cat-file -t $H1
'

test_expect_success 'repack --keep-pack' '
	test_create_repo keep-pack &&
	(
		cd keep-pack &&
		P1=$(commit_and_pack 1) &&
		P2=$(commit_and_pack 2) &&
		P3=$(commit_and_pack 3) &&
		P4=$(commit_and_pack 4) &&
		ls .git/objects/pack/*.pack >old-counts &&
		test_line_count = 4 old-counts &&
		git repack -a -d --keep-pack $P1 --keep-pack $P4 &&
		ls .git/objects/pack/*.pack >new-counts &&
		grep -q $P1 new-counts &&
		grep -q $P4 new-counts &&
		test_line_count = 3 new-counts &&
		git fsck
	)
'

test_expect_success 'bitmaps are created by default in bare repos' '
	git clone --bare .git bare.git &&
	rm -f bare.git/objects/pack/*.bitmap &&
	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
		git -C bare.git repack -ad &&
	bitmap=$(ls bare.git/objects/pack/*.bitmap) &&
	test_path_is_file "$bitmap"
'

test_expect_success 'incremental repack does not complain' '
	git -C bare.git repack -q 2>repack.err &&
	test_must_be_empty repack.err
'

test_expect_success 'bitmaps can be disabled on bare repos' '
	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
		git -c repack.writeBitmaps=false -C bare.git repack -ad &&
	bitmap=$(ls bare.git/objects/pack/*.bitmap || :) &&
	test -z "$bitmap"
'

test_expect_success 'no bitmaps created if .keep files present' '
	pack=$(ls bare.git/objects/pack/*.pack) &&
	test_path_is_file "$pack" &&
	keep=${pack%.pack}.keep &&
	test_when_finished "rm -f \"\$keep\"" &&
	>"$keep" &&
	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
		git -C bare.git repack -ad 2>stderr &&
	test_must_be_empty stderr &&
	find bare.git/objects/pack/ -type f -name "*.bitmap" >actual &&
	test_must_be_empty actual
'

test_expect_success 'auto-bitmaps do not complain if unavailable' '
	test_config -C bare.git pack.packSizeLimit 1M &&
	blob=$(test-tool genrandom big $((1024*1024)) |
	       git -C bare.git hash-object -w --stdin) &&
	git -C bare.git update-ref refs/tags/big $blob &&
	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
		git -C bare.git repack -ad 2>stderr &&
	test_must_be_empty stderr &&
	find bare.git/objects/pack -type f -name "*.bitmap" >actual &&
	test_must_be_empty actual
'

objdir=.git/objects
midx=$objdir/pack/multi-pack-index

test_expect_success 'setup for --write-midx tests' '
	git init midx &&
	(
		cd midx &&
		git config core.multiPackIndex true &&

		test_commit base
	)
'

test_expect_success '--write-midx unchanged' '
	(
		cd midx &&
		GIT_TEST_MULTI_PACK_INDEX=0 git repack &&
		test_path_is_missing $midx &&
		test_path_is_missing $midx-*.bitmap &&

		GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&

		test_path_is_file $midx &&
		test_path_is_missing $midx-*.bitmap &&
		test_midx_consistent $objdir
	)
'

test_expect_success '--write-midx with a new pack' '
	(
		cd midx &&
		test_commit loose &&

		GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&

		test_path_is_file $midx &&
		test_path_is_missing $midx-*.bitmap &&
		test_midx_consistent $objdir
	)
'

test_expect_success '--write-midx with -b' '
	(
		cd midx &&
		GIT_TEST_MULTI_PACK_INDEX=0 git repack -mb &&

		test_path_is_file $midx &&
		test_path_is_file $midx-*.bitmap &&
		test_midx_consistent $objdir
	)
'

test_expect_success '--write-midx with -d' '
	(
		cd midx &&
		test_commit repack &&

		GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ad --write-midx &&

		test_path_is_file $midx &&
		test_path_is_missing $midx-*.bitmap &&
		test_midx_consistent $objdir
	)
'

test_expect_success 'cleans up MIDX when appropriate' '
	(
		cd midx &&

		test_commit repack-2 &&
		GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&

		checksum=$(midx_checksum $objdir) &&
		test_path_is_file $midx &&
		test_path_is_file $midx-$checksum.bitmap &&

		test_commit repack-3 &&
		GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&

		test_path_is_file $midx &&
		test_path_is_missing $midx-$checksum.bitmap &&
		test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&

		test_commit repack-4 &&
		GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb &&

		find $objdir/pack -type f -name "multi-pack-index*" >files &&
		test_must_be_empty files
	)
'

test_expect_success '--write-midx with preferred bitmap tips' '
	git init midx-preferred-tips &&
	test_when_finished "rm -fr midx-preferred-tips" &&
	(
		cd midx-preferred-tips &&

		test_commit_bulk --message="%s" 103 &&

		git log --format="%H" >commits.raw &&
		sort <commits.raw >commits &&

		git log --format="create refs/tags/%s/%s %H" HEAD >refs &&
		git update-ref --stdin <refs &&

		git repack --write-midx --write-bitmap-index &&
		test_path_is_file $midx &&
		test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&

		test-tool bitmap list-commits | sort >bitmaps &&
		comm -13 bitmaps commits >before &&
		test_line_count = 1 before &&

		rm -fr $midx-$(midx_checksum $objdir).bitmap &&
		rm -fr $midx &&

		# instead of constructing the snapshot ourselves (c.f., the test
		# "write a bitmap with --refs-snapshot (preferred tips)" in
		# t5326), mark the missing commit as preferred by adding it to
		# the pack.preferBitmapTips configuration.
		git for-each-ref --format="%(refname:rstrip=1)" \
			--points-at="$(cat before)" >missing &&
		git config pack.preferBitmapTips "$(cat missing)" &&
		git repack --write-midx --write-bitmap-index &&

		test-tool bitmap list-commits | sort >bitmaps &&
		comm -13 bitmaps commits >after &&

		! test_cmp before after
	)
'

test_done
Commit	Line	Data
9245ddd5 BC	1	#!/bin/sh
	2
	3	test_description='git repack works correctly'
	4
	5	. ./test-lib.sh
1d89d88d TB	6	. "${TEST_DIRECTORY}/lib-bitmap.sh"
1d89d88d TB	7	. "${TEST_DIRECTORY}/lib-midx.sh"
9245ddd5	8
ae475afc	9	commit_and_pack () {
09279086	10	test_commit "$@" 1>&2 &&
3699d69d DL	11	incrpackid=$(git pack-objects --all --unpacked --incremental .git/objects/pack/pack </dev/null) &&
3699d69d DL	12	echo pack-${incrpackid}.pack
ed7e5fc3 NTND	13	}
ed7e5fc3 NTND	14
ae475afc DL	15	test_no_missing_in_packs () {
	16	myidx=$(ls -1 .git/objects/pack/*.idx) &&
	17	test_path_is_file "$myidx" &&
	18	git verify-pack -v alt_objects/pack/*.idx >orig.raw &&
3699d69d	19	sed -n -e "s/^\($OID_REGEX\).*/\1/p" orig.raw \| sort >orig &&
ae475afc DL	20	git verify-pack -v $myidx >dest.raw &&
	21	cut -d" " -f1 dest.raw \| sort >dest &&
	22	comm -23 orig dest >missing &&
	23	test_must_be_empty missing
	24	}
	25
3699d69d	26	# we expect $packid and $oid to be defined
cfe5eda0 DL	27	test_has_duplicate_object () {
	28	want_duplicate_object="$1"
	29	found_duplicate_object=false
	30	for p in .git/objects/pack/*.idx
	31	do
	32	idx=$(basename $p)
3699d69d	33	test "pack-$packid.idx" = "$idx" && continue
cfe5eda0	34	git verify-pack -v $p >packlist \|\| return $?
3699d69d	35	if grep "^$oid" packlist
cfe5eda0 DL	36	then
	37	found_duplicate_object=true
	38	echo "DUPLICATE OBJECT FOUND"
	39	break
	40	fi
	41	done &&
	42	test "$want_duplicate_object" = "$found_duplicate_object"
	43	}
	44
dd718365	45	test_expect_success 'objects in packs marked .keep are not repacked' '
7a1c8c23 DL	46	echo content1 >file1 &&
7a1c8c23 DL	47	echo content2 >file2 &&
9245ddd5	48	git add . &&
713c79e8	49	test_tick &&
9245ddd5 BC	50	git commit -m initial_commit &&
	51	# Create two packs
	52	# The first pack will contain all of the objects except one
d9b31db2 DL	53	git rev-list --objects --all >objs &&
d9b31db2 DL	54	grep -v file2 objs \| git pack-objects pack &&
9245ddd5	55	# The second pack will contain the excluded object
d9b31db2	56	packid=$(grep file2 objs \| git pack-objects pack) &&
3699d69d	57	>pack-$packid.keep &&
d9b31db2 DL	58	git verify-pack -v pack-$packid.idx >packlist &&
d9b31db2 DL	59	oid=$(head -n 1 packlist \| sed -e "s/^\($OID_REGEX\).*/\1/") &&
9245ddd5	60	mv pack-* .git/objects/pack/ &&
2d0174e3	61	git repack -A -d -l &&
9245ddd5	62	git prune-packed &&
cfe5eda0	63	test_has_duplicate_object false
9245ddd5 BC	64	'
9245ddd5 BC	65
3198b89f	66	test_expect_success 'writing bitmaps via command-line can duplicate .keep objects' '
3699d69d	67	# build on $oid, $packid, and .keep state from previous
4b58b6f7	68	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 git repack -Adbl &&
cfe5eda0	69	test_has_duplicate_object true
ee34a2be JK	70	'
ee34a2be JK	71
3198b89f	72	test_expect_success 'writing bitmaps via config can duplicate .keep objects' '
3699d69d	73	# build on $oid, $packid, and .keep state from previous
4b58b6f7 TB	74	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
4b58b6f7 TB	75	git -c repack.writebitmaps=true repack -Adl &&
cfe5eda0	76	test_has_duplicate_object true
ee34a2be JK	77	'
ee34a2be JK	78
daae0625	79	test_expect_success 'loose objects in alternate ODB are not repacked' '
3c3df429	80	mkdir alt_objects &&
7a1c8c23 DL	81	echo $(pwd)/alt_objects >.git/objects/info/alternates &&
7a1c8c23 DL	82	echo content3 >file3 &&
3699d69d	83	oid=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
3c3df429	84	git add file3 &&
713c79e8	85	test_tick &&
3c3df429 BC	86	git commit -m commit_file3 &&
	87	git repack -a -d -l &&
	88	git prune-packed &&
cfe5eda0	89	test_has_duplicate_object false
3c3df429 BC	90	'
3c3df429 BC	91
3289b9de	92	test_expect_success 'packed obs in alt ODB are repacked even when local repo is packless' '
2dec68cf	93	mkdir alt_objects/pack &&
3289b9de BC	94	mv .git/objects/pack/* alt_objects/pack &&
3289b9de BC	95	git repack -a &&
ae475afc	96	test_no_missing_in_packs
3289b9de BC	97	'
3289b9de BC	98
1ef2d5a6	99	test_expect_success 'packed obs in alt ODB are repacked when local repo has packs' '
a83c8852	100	rm -f .git/objects/pack/* &&
7a1c8c23	101	echo new_content >>file1 &&
a83c8852	102	git add file1 &&
713c79e8	103	test_tick &&
a83c8852 BC	104	git commit -m more_content &&
	105	git repack &&
	106	git repack -a -d &&
ae475afc	107	test_no_missing_in_packs
a83c8852 BC	108	'
a83c8852 BC	109
171110a4	110	test_expect_success 'packed obs in alternate ODB kept pack are repacked' '
92cd8722 BC	111	# swap the .keep so the commit object is in the pack with .keep
	112	for p in alt_objects/pack/*.pack
	113	do
2dec68cf	114	base_name=$(basename $p .pack) &&
17a4ae92	115	if test_path_is_file alt_objects/pack/$base_name.keep
92cd8722 BC	116	then
	117	rm alt_objects/pack/$base_name.keep
	118	else
	119	touch alt_objects/pack/$base_name.keep
0c51d6b4	120	fi \|\| return 1
2dec68cf	121	done &&
92cd8722	122	git repack -a -d &&
ae475afc	123	test_no_missing_in_packs
92cd8722 BC	124	'
92cd8722 BC	125
79bc4c71	126	test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
92cd8722 BC	127	rm -f alt_objects/pack/*.keep &&
92cd8722 BC	128	mv .git/objects/pack/* alt_objects/pack/ &&
3699d69d	129	coid=$(git rev-parse HEAD^{commit}) &&
92cd8722	130	git reset --hard HEAD^ &&
713c79e8 JH	131	test_tick &&
713c79e8 JH	132	git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
92cd8722 BC	133	# The pack-objects call on the next line is equivalent to
	134	# git repack -A -d without the call to prune-packed
	135	git pack-objects --honor-pack-keep --non-empty --all --reflog \
	136	--unpack-unreachable </dev/null pack &&
	137	rm -f .git/objects/pack/* &&
	138	mv pack-* .git/objects/pack/ &&
d9b31db2 DL	139	git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
d9b31db2 DL	140	! grep "^$coid " packlist &&
7a1c8c23	141	echo >.git/objects/info/alternates &&
3699d69d	142	test_must_fail git show $coid
92cd8722 BC	143	'
92cd8722 BC	144
094085e3	145	test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
7a1c8c23	146	echo $(pwd)/alt_objects >.git/objects/info/alternates &&
3699d69d	147	echo "$coid" \| git pack-objects --non-empty --all --reflog pack &&
869a3d34 BC	148	rm -f .git/objects/pack/* &&
	149	mv pack-* .git/objects/pack/ &&
	150	# The pack-objects call on the next line is equivalent to
	151	# git repack -A -d without the call to prune-packed
	152	git pack-objects --honor-pack-keep --non-empty --all --reflog \
	153	--unpack-unreachable </dev/null pack &&
	154	rm -f .git/objects/pack/* &&
	155	mv pack-* .git/objects/pack/ &&
d9b31db2 DL	156	git verify-pack -v -- .git/objects/pack/*.idx >packlist &&
d9b31db2 DL	157	! grep "^$coid " &&
7a1c8c23	158	echo >.git/objects/info/alternates &&
3699d69d	159	test_must_fail git show $coid
869a3d34 BC	160	'
869a3d34 BC	161
7f3140cd	162	test_expect_success 'objects made unreachable by grafts only are kept' '
1ec64827 BS	163	test_tick &&
	164	git commit --allow-empty -m "commit 4" &&
	165	H0=$(git rev-parse HEAD) &&
	166	H1=$(git rev-parse HEAD^) &&
	167	H2=$(git rev-parse HEAD^^) &&
7a1c8c23	168	echo "$H0 $H2" >.git/info/grafts &&
713c79e8	169	git reflog expire --expire=$test_tick --expire-unreachable=$test_tick --all &&
1ec64827 BS	170	git repack -a -d &&
1ec64827 BS	171	git cat-file -t $H1
e9e33ab0	172	'
1ec64827	173
ed7e5fc3 NTND	174	test_expect_success 'repack --keep-pack' '
	175	test_create_repo keep-pack &&
	176	(
	177	cd keep-pack &&
	178	P1=$(commit_and_pack 1) &&
	179	P2=$(commit_and_pack 2) &&
	180	P3=$(commit_and_pack 3) &&
	181	P4=$(commit_and_pack 4) &&
	182	ls .git/objects/pack/*.pack >old-counts &&
	183	test_line_count = 4 old-counts &&
	184	git repack -a -d --keep-pack $P1 --keep-pack $P4 &&
	185	ls .git/objects/pack/*.pack >new-counts &&
	186	grep -q $P1 new-counts &&
	187	grep -q $P4 new-counts &&
	188	test_line_count = 3 new-counts &&
	189	git fsck
	190	)
	191	'
	192
36eba032 EW	193	test_expect_success 'bitmaps are created by default in bare repos' '
36eba032 EW	194	git clone --bare .git bare.git &&
4b58b6f7 TB	195	rm -f bare.git/objects/pack/*.bitmap &&
	196	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
	197	git -C bare.git repack -ad &&
36eba032 EW	198	bitmap=$(ls bare.git/objects/pack/*.bitmap) &&
	199	test_path_is_file "$bitmap"
	200	'
	201
	202	test_expect_success 'incremental repack does not complain' '
	203	git -C bare.git repack -q 2>repack.err &&
	204	test_must_be_empty repack.err
	205	'
9245ddd5	206
36eba032	207	test_expect_success 'bitmaps can be disabled on bare repos' '
4b58b6f7 TB	208	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
4b58b6f7 TB	209	git -c repack.writeBitmaps=false -C bare.git repack -ad &&
09279086	210	bitmap=$(ls bare.git/objects/pack/*.bitmap \|\| :) &&
36eba032 EW	211	test -z "$bitmap"
	212	'
	213
73284822 EW	214	test_expect_success 'no bitmaps created if .keep files present' '
	215	pack=$(ls bare.git/objects/pack/*.pack) &&
	216	test_path_is_file "$pack" &&
	217	keep=${pack%.pack}.keep &&
cc2649ae	218	test_when_finished "rm -f \"\$keep\"" &&
73284822	219	>"$keep" &&
4b58b6f7 TB	220	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
4b58b6f7 TB	221	git -C bare.git repack -ad 2>stderr &&
7ff024e7	222	test_must_be_empty stderr &&
73284822 EW	223	find bare.git/objects/pack/ -type f -name "*.bitmap" >actual &&
	224	test_must_be_empty actual
	225	'
	226
25575015 JK	227	test_expect_success 'auto-bitmaps do not complain if unavailable' '
	228	test_config -C bare.git pack.packSizeLimit 1M &&
	229	blob=$(test-tool genrandom big $((1024*1024)) \|
	230	git -C bare.git hash-object -w --stdin) &&
	231	git -C bare.git update-ref refs/tags/big $blob &&
4b58b6f7 TB	232	GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP=0 \
4b58b6f7 TB	233	git -C bare.git repack -ad 2>stderr &&
25575015 JK	234	test_must_be_empty stderr &&
	235	find bare.git/objects/pack -type f -name "*.bitmap" >actual &&
	236	test_must_be_empty actual
	237	'
	238
1d89d88d TB	239	objdir=.git/objects
	240	midx=$objdir/pack/multi-pack-index
	241
	242	test_expect_success 'setup for --write-midx tests' '
	243	git init midx &&
	244	(
	245	cd midx &&
	246	git config core.multiPackIndex true &&
	247
	248	test_commit base
	249	)
	250	'
	251
	252	test_expect_success '--write-midx unchanged' '
	253	(
	254	cd midx &&
	255	GIT_TEST_MULTI_PACK_INDEX=0 git repack &&
	256	test_path_is_missing $midx &&
	257	test_path_is_missing $midx-*.bitmap &&
	258
	259	GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&
	260
	261	test_path_is_file $midx &&
	262	test_path_is_missing $midx-*.bitmap &&
	263	test_midx_consistent $objdir
	264	)
	265	'
	266
	267	test_expect_success '--write-midx with a new pack' '
	268	(
	269	cd midx &&
	270	test_commit loose &&
	271
	272	GIT_TEST_MULTI_PACK_INDEX=0 git repack --write-midx &&
	273
	274	test_path_is_file $midx &&
	275	test_path_is_missing $midx-*.bitmap &&
	276	test_midx_consistent $objdir
	277	)
	278	'
	279
	280	test_expect_success '--write-midx with -b' '
	281	(
	282	cd midx &&
	283	GIT_TEST_MULTI_PACK_INDEX=0 git repack -mb &&
	284
	285	test_path_is_file $midx &&
	286	test_path_is_file $midx-*.bitmap &&
	287	test_midx_consistent $objdir
	288	)
	289	'
	290
	291	test_expect_success '--write-midx with -d' '
	292	(
	293	cd midx &&
	294	test_commit repack &&
	295
	296	GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ad --write-midx &&
	297
	298	test_path_is_file $midx &&
	299	test_path_is_missing $midx-*.bitmap &&
	300	test_midx_consistent $objdir
	301	)
	302	'
303
304	test_expect_success 'cleans up MIDX when appropriate' '
305	(
306	cd midx &&
307
308	test_commit repack-2 &&
309	GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&
310
311	checksum=$(midx_checksum $objdir) &&
312	test_path_is_file $midx &&
313	test_path_is_file $midx-$checksum.bitmap &&
1d89d88d TB	314
	315	test_commit repack-3 &&
	316	GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb --write-midx &&
	317
	318	test_path_is_file $midx &&
	319	test_path_is_missing $midx-$checksum.bitmap &&
1d89d88d	320	test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
1d89d88d TB	321
	322	test_commit repack-4 &&
	323	GIT_TEST_MULTI_PACK_INDEX=0 git repack -Adb &&
	324
	325	find $objdir/pack -type f -name "multi-pack-index*" >files &&
	326	test_must_be_empty files
	327	)
	328	'
	329
324efc90 TB	330	test_expect_success '--write-midx with preferred bitmap tips' '
	331	git init midx-preferred-tips &&
	332	test_when_finished "rm -fr midx-preferred-tips" &&
	333	(
	334	cd midx-preferred-tips &&
	335
	336	test_commit_bulk --message="%s" 103 &&
	337
	338	git log --format="%H" >commits.raw &&
	339	sort <commits.raw >commits &&
	340
	341	git log --format="create refs/tags/%s/%s %H" HEAD >refs &&
	342	git update-ref --stdin <refs &&
	343
	344	git repack --write-midx --write-bitmap-index &&
	345	test_path_is_file $midx &&
	346	test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
	347
	348	test-tool bitmap list-commits \| sort >bitmaps &&
	349	comm -13 bitmaps commits >before &&
	350	test_line_count = 1 before &&
	351
	352	rm -fr $midx-$(midx_checksum $objdir).bitmap &&
324efc90 TB	353	rm -fr $midx &&
	354
	355	# instead of constructing the snapshot ourselves (c.f., the test
	356	# "write a bitmap with --refs-snapshot (preferred tips)" in
	357	# t5326), mark the missing commit as preferred by adding it to
	358	# the pack.preferBitmapTips configuration.
	359	git for-each-ref --format="%(refname:rstrip=1)" \
	360	--points-at="$(cat before)" >missing &&
	361	git config pack.preferBitmapTips "$(cat missing)" &&
	362	git repack --write-midx --write-bitmap-index &&
	363
	364	test-tool bitmap list-commits \| sort >bitmaps &&
	365	comm -13 bitmaps commits >after &&
	366
	367	! test_cmp before after
	368	)
	369	'
	370
36eba032	371	test_done