[thirdparty/git.git] / t / t1700-split-index.sh

#!/bin/sh

test_description='split index mode tests'

. ./test-lib.sh

# We need total control of index splitting here
sane_unset GIT_TEST_SPLIT_INDEX
sane_unset GIT_FSMONITOR_TEST

test_expect_success 'enable split index' '
	git config splitIndex.maxPercentChange 100 &&
	git update-index --split-index &&
	test-tool dump-split-index .git/index >actual &&
	indexversion=$(test-tool index-version <.git/index) &&
	if test "$indexversion" = "4"
	then
		own=432ef4b63f32193984f339431fd50ca796493569
		base=508851a7f0dfa8691e9f69c7f055865389012491
	else
		own=8299b0bcd1ac364e5f1d7768efb62fa2da79a339
		base=39d890139ee5356c7ef572216cebcd27aa41f9df
	fi &&
	cat >expect <<-EOF &&
	own $own
	base $base
	replacements:
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'add one file' '
	: >one &&
	git update-index --add one &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 $EMPTY_BLOB 0	one
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	base $base
	100644 $EMPTY_BLOB 0	one
	replacements:
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'disable split index' '
	git update-index --no-split-index &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 $EMPTY_BLOB 0	one
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	BASE=$(test-tool dump-split-index .git/index | grep "^own" | sed "s/own/base/") &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	not a split index
	EOF
	test_cmp expect actual
'

test_expect_success 'enable split index again, "one" now belongs to base index"' '
	git update-index --split-index &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 $EMPTY_BLOB 0	one
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	replacements:
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'modify original file, base index untouched' '
	echo modified >one &&
	git update-index one &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0	one
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	q_to_tab >expect <<-EOF &&
	$BASE
	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	replacements: 0
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'add another file, which stays index' '
	: >two &&
	git update-index --add two &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0	one
	100644 $EMPTY_BLOB 0	two
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	q_to_tab >expect <<-EOF &&
	$BASE
	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	100644 $EMPTY_BLOB 0	two
	replacements: 0
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'remove file not in base index' '
	git update-index --force-remove two &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0	one
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	q_to_tab >expect <<-EOF &&
	$BASE
	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	replacements: 0
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'remove file in base index' '
	git update-index --force-remove one &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	replacements:
	deletions: 0
	EOF
	test_cmp expect actual
'

test_expect_success 'add original file back' '
	: >one &&
	git update-index --add one &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 $EMPTY_BLOB 0	one
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	100644 $EMPTY_BLOB 0	one
	replacements:
	deletions: 0
	EOF
	test_cmp expect actual
'

test_expect_success 'add new file' '
	: >two &&
	git update-index --add two &&
	git ls-files --stage >actual &&
	cat >expect <<-EOF &&
	100644 $EMPTY_BLOB 0	one
	100644 $EMPTY_BLOB 0	two
	EOF
	test_cmp expect actual
'

test_expect_success 'unify index, two files remain' '
	git update-index --no-split-index &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 $EMPTY_BLOB 0	one
	100644 $EMPTY_BLOB 0	two
	EOF
	test_cmp ls-files.expect ls-files.actual &&

	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	not a split index
	EOF
	test_cmp expect actual
'

test_expect_success 'rev-parse --shared-index-path' '
	test_create_repo split-index &&
	(
		cd split-index &&
		git update-index --split-index &&
		echo .git/sharedindex* >expect &&
		git rev-parse --shared-index-path >actual &&
		test_cmp expect actual &&
		mkdir subdirectory &&
		cd subdirectory &&
		echo ../.git/sharedindex* >expect &&
		git rev-parse --shared-index-path >actual &&
		test_cmp expect actual
	)
'

test_expect_success 'set core.splitIndex config variable to true' '
	git config core.splitIndex true &&
	: >three &&
	git update-index --add three &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0	one
	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0	three
	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0	two
	EOF
	test_cmp ls-files.expect ls-files.actual &&
	BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	replacements:
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'set core.splitIndex config variable to false' '
	git config core.splitIndex false &&
	git update-index --force-remove three &&
	git ls-files --stage >ls-files.actual &&
	cat >ls-files.expect <<-EOF &&
	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0	one
	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0	two
	EOF
	test_cmp ls-files.expect ls-files.actual &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	not a split index
	EOF
	test_cmp expect actual
'

test_expect_success 'set core.splitIndex config variable to true' '
	git config core.splitIndex true &&
	: >three &&
	git update-index --add three &&
	BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	replacements:
	deletions:
	EOF
	test_cmp expect actual &&
	: >four &&
	git update-index --add four &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0	four
	replacements:
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
	git config --unset splitIndex.maxPercentChange &&
	: >five &&
	git update-index --add five &&
	BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	replacements:
	deletions:
	EOF
	test_cmp expect actual &&
	: >six &&
	git update-index --add six &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0	six
	replacements:
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'check splitIndex.maxPercentChange set to 0' '
	git config splitIndex.maxPercentChange 0 &&
	: >seven &&
	git update-index --add seven &&
	BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	replacements:
	deletions:
	EOF
	test_cmp expect actual &&
	: >eight &&
	git update-index --add eight &&
	BASE=$(test-tool dump-split-index .git/index | grep "^base") &&
	test-tool dump-split-index .git/index | sed "/^own/d" >actual &&
	cat >expect <<-EOF &&
	$BASE
	replacements:
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'shared index files expire after 2 weeks by default' '
	: >ten &&
	git update-index --add ten &&
	test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
	just_under_2_weeks_ago=$((5-14*86400)) &&
	test-tool chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
	: >eleven &&
	git update-index --add eleven &&
	test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
	just_over_2_weeks_ago=$((-1-14*86400)) &&
	test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
	: >twelve &&
	git update-index --add twelve &&
	test $(ls .git/sharedindex.* | wc -l) -le 2
'

test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
	git config splitIndex.sharedIndexExpire "16.days.ago" &&
	test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
	: >thirteen &&
	git update-index --add thirteen &&
	test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
	just_over_16_days_ago=$((-1-16*86400)) &&
	test-tool chmtime =$just_over_16_days_ago .git/sharedindex.* &&
	: >fourteen &&
	git update-index --add fourteen &&
	test $(ls .git/sharedindex.* | wc -l) -le 2
'

test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
	git config splitIndex.sharedIndexExpire never &&
	just_10_years_ago=$((-365*10*86400)) &&
	test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
	: >fifteen &&
	git update-index --add fifteen &&
	test $(ls .git/sharedindex.* | wc -l) -gt 2 &&
	git config splitIndex.sharedIndexExpire now &&
	just_1_second_ago=-1 &&
	test-tool chmtime =$just_1_second_ago .git/sharedindex.* &&
	: >sixteen &&
	git update-index --add sixteen &&
	test $(ls .git/sharedindex.* | wc -l) -le 2
'

while read -r mode modebits
do
	test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
		# Remove existing shared index files
		git config core.splitIndex false &&
		git update-index --force-remove one &&
		rm -f .git/sharedindex.* &&
		# Create one new shared index file
		git config core.sharedrepository "$mode" &&
		git config core.splitIndex true &&
		: >one &&
		git update-index --add one &&
		echo "$modebits" >expect &&
		test_modebits .git/index >actual &&
		test_cmp expect actual &&
		shared=$(ls .git/sharedindex.*) &&
		case "$shared" in
		*" "*)
			# we have more than one???
			false ;;
		*)
			test_modebits "$shared" >actual &&
			test_cmp expect actual ;;
		esac
	'
done <<\EOF
0666 -rw-rw-rw-
0642 -rw-r---w-
EOF

test_expect_success POSIXPERM,SANITY 'graceful handling when splitting index is not allowed' '
	test_create_repo ro &&
	(
		cd ro &&
		test_commit initial &&
		git update-index --split-index &&
		test -f .git/sharedindex.*
	) &&
	cp ro/.git/index new-index &&
	test_when_finished "chmod u+w ro/.git" &&
	chmod u-w ro/.git &&
	GIT_INDEX_FILE="$(pwd)/new-index" git -C ro update-index --split-index &&
	chmod u+w ro/.git &&
	rm ro/.git/sharedindex.* &&
	GIT_INDEX_FILE=new-index git ls-files >actual &&
	echo initial.t >expected &&
	test_cmp expected actual
'

test_expect_success 'writing split index with null sha1 does not write cache tree' '
	git config core.splitIndex true &&
	git config splitIndex.maxPercentChange 0 &&
	git commit -m "commit" &&
	{
		git ls-tree HEAD &&
		printf "160000 commit $_z40\\tbroken\\n"
	} >broken-tree &&
	echo "add broken entry" >msg &&

	tree=$(git mktree <broken-tree) &&
	test_tick &&
	commit=$(git commit-tree $tree -p HEAD <msg) &&
	git update-ref HEAD "$commit" &&
	GIT_ALLOW_NULL_SHA1=1 git reset --hard &&
	(test-tool dump-cache-tree >cache-tree.out || true) &&
	test_line_count = 0 cache-tree.out
'

test_done
Commit	Line	Data
3e52f70b NTND	1	#!/bin/sh
	2
	3	test_description='split index mode tests'
	4
	5	. ./test-lib.sh
	6
	7	# We need total control of index splitting here
	8	sane_unset GIT_TEST_SPLIT_INDEX
e6928517	9	sane_unset GIT_FSMONITOR_TEST
3e52f70b NTND	10
3e52f70b NTND	11	test_expect_success 'enable split index' '
e6a1dd77	12	git config splitIndex.maxPercentChange 100 &&
3e52f70b	13	git update-index --split-index &&
8133061e	14	test-tool dump-split-index .git/index >actual &&
cc6f663d	15	indexversion=$(test-tool index-version <.git/index) &&
e869c5ea TG	16	if test "$indexversion" = "4"
	17	then
	18	own=432ef4b63f32193984f339431fd50ca796493569
	19	base=508851a7f0dfa8691e9f69c7f055865389012491
	20	else
	21	own=8299b0bcd1ac364e5f1d7768efb62fa2da79a339
	22	base=39d890139ee5356c7ef572216cebcd27aa41f9df
	23	fi &&
56621763 CC	24	cat >expect <<-EOF &&
	25	own $own
	26	base $base
	27	replacements:
	28	deletions:
	29	EOF
3e52f70b NTND	30	test_cmp expect actual
	31	'
	32
	33	test_expect_success 'add one file' '
	34	: >one &&
	35	git update-index --add one &&
	36	git ls-files --stage >ls-files.actual &&
56621763 CC	37	cat >ls-files.expect <<-EOF &&
	38	100644 $EMPTY_BLOB 0 one
	39	EOF
3e52f70b NTND	40	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	41
8133061e	42	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	43	cat >expect <<-EOF &&
	44	base $base
	45	100644 $EMPTY_BLOB 0 one
	46	replacements:
	47	deletions:
	48	EOF
3e52f70b NTND	49	test_cmp expect actual
	50	'
	51
	52	test_expect_success 'disable split index' '
	53	git update-index --no-split-index &&
	54	git ls-files --stage >ls-files.actual &&
56621763 CC	55	cat >ls-files.expect <<-EOF &&
	56	100644 $EMPTY_BLOB 0 one
	57	EOF
3e52f70b NTND	58	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	59
8133061e NTND	60	BASE=$(test-tool dump-split-index .git/index \| grep "^own" \| sed "s/own/base/") &&
8133061e NTND	61	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	62	cat >expect <<-EOF &&
	63	not a split index
	64	EOF
3e52f70b NTND	65	test_cmp expect actual
	66	'
	67
	68	test_expect_success 'enable split index again, "one" now belongs to base index"' '
	69	git update-index --split-index &&
	70	git ls-files --stage >ls-files.actual &&
56621763 CC	71	cat >ls-files.expect <<-EOF &&
	72	100644 $EMPTY_BLOB 0 one
	73	EOF
3e52f70b NTND	74	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	75
8133061e	76	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	77	cat >expect <<-EOF &&
	78	$BASE
	79	replacements:
	80	deletions:
	81	EOF
3e52f70b NTND	82	test_cmp expect actual
	83	'
	84
	85	test_expect_success 'modify original file, base index untouched' '
	86	echo modified >one &&
	87	git update-index one &&
	88	git ls-files --stage >ls-files.actual &&
56621763 CC	89	cat >ls-files.expect <<-EOF &&
	90	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
	91	EOF
3e52f70b NTND	92	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	93
8133061e	94	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	95	q_to_tab >expect <<-EOF &&
	96	$BASE
	97	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	98	replacements: 0
	99	deletions:
	100	EOF
3e52f70b NTND	101	test_cmp expect actual
	102	'
	103
	104	test_expect_success 'add another file, which stays index' '
	105	: >two &&
	106	git update-index --add two &&
	107	git ls-files --stage >ls-files.actual &&
56621763 CC	108	cat >ls-files.expect <<-EOF &&
	109	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
	110	100644 $EMPTY_BLOB 0 two
	111	EOF
3e52f70b NTND	112	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	113
8133061e	114	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	115	q_to_tab >expect <<-EOF &&
	116	$BASE
	117	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	118	100644 $EMPTY_BLOB 0 two
	119	replacements: 0
	120	deletions:
	121	EOF
3e52f70b NTND	122	test_cmp expect actual
	123	'
	124
	125	test_expect_success 'remove file not in base index' '
	126	git update-index --force-remove two &&
	127	git ls-files --stage >ls-files.actual &&
56621763 CC	128	cat >ls-files.expect <<-EOF &&
	129	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
	130	EOF
3e52f70b NTND	131	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	132
8133061e	133	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	134	q_to_tab >expect <<-EOF &&
	135	$BASE
	136	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	137	replacements: 0
	138	deletions:
	139	EOF
3e52f70b NTND	140	test_cmp expect actual
	141	'
	142
	143	test_expect_success 'remove file in base index' '
	144	git update-index --force-remove one &&
	145	git ls-files --stage >ls-files.actual &&
56621763 CC	146	cat >ls-files.expect <<-EOF &&
56621763 CC	147	EOF
3e52f70b NTND	148	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	149
8133061e	150	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	151	cat >expect <<-EOF &&
	152	$BASE
	153	replacements:
	154	deletions: 0
	155	EOF
3e52f70b NTND	156	test_cmp expect actual
	157	'
	158
	159	test_expect_success 'add original file back' '
	160	: >one &&
	161	git update-index --add one &&
	162	git ls-files --stage >ls-files.actual &&
56621763 CC	163	cat >ls-files.expect <<-EOF &&
	164	100644 $EMPTY_BLOB 0 one
	165	EOF
3e52f70b NTND	166	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	167
8133061e	168	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	169	cat >expect <<-EOF &&
	170	$BASE
	171	100644 $EMPTY_BLOB 0 one
	172	replacements:
	173	deletions: 0
	174	EOF
3e52f70b NTND	175	test_cmp expect actual
	176	'
	177
	178	test_expect_success 'add new file' '
	179	: >two &&
	180	git update-index --add two &&
	181	git ls-files --stage >actual &&
56621763 CC	182	cat >expect <<-EOF &&
	183	100644 $EMPTY_BLOB 0 one
	184	100644 $EMPTY_BLOB 0 two
	185	EOF
3e52f70b NTND	186	test_cmp expect actual
	187	'
	188
	189	test_expect_success 'unify index, two files remain' '
	190	git update-index --no-split-index &&
	191	git ls-files --stage >ls-files.actual &&
56621763 CC	192	cat >ls-files.expect <<-EOF &&
	193	100644 $EMPTY_BLOB 0 one
	194	100644 $EMPTY_BLOB 0 two
	195	EOF
8fb26872	196	test_cmp ls-files.expect ls-files.actual &&
3e52f70b	197
8133061e	198	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	199	cat >expect <<-EOF &&
	200	not a split index
	201	EOF
3e52f70b NTND	202	test_cmp expect actual
	203	'
	204
098aa867	205	test_expect_success 'rev-parse --shared-index-path' '
5de8a549 MR	206	test_create_repo split-index &&
	207	(
	208	cd split-index &&
	209	git update-index --split-index &&
	210	echo .git/sharedindex* >expect &&
	211	git rev-parse --shared-index-path >actual &&
	212	test_cmp expect actual &&
	213	mkdir subdirectory &&
	214	cd subdirectory &&
	215	echo ../.git/sharedindex* >expect &&
	216	git rev-parse --shared-index-path >actual &&
	217	test_cmp expect actual
	218	)
	219	'
	220
b8923bf6 CC	221	test_expect_success 'set core.splitIndex config variable to true' '
	222	git config core.splitIndex true &&
	223	: >three &&
	224	git update-index --add three &&
	225	git ls-files --stage >ls-files.actual &&
	226	cat >ls-files.expect <<-EOF &&
	227	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
	228	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 three
	229	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
	230	EOF
	231	test_cmp ls-files.expect ls-files.actual &&
8133061e NTND	232	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	233	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
b8923bf6 CC	234	cat >expect <<-EOF &&
	235	$BASE
	236	replacements:
	237	deletions:
	238	EOF
	239	test_cmp expect actual
	240	'
	241
	242	test_expect_success 'set core.splitIndex config variable to false' '
	243	git config core.splitIndex false &&
	244	git update-index --force-remove three &&
	245	git ls-files --stage >ls-files.actual &&
	246	cat >ls-files.expect <<-EOF &&
	247	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
	248	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
	249	EOF
	250	test_cmp ls-files.expect ls-files.actual &&
8133061e	251	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
b8923bf6 CC	252	cat >expect <<-EOF &&
	253	not a split index
	254	EOF
	255	test_cmp expect actual
	256	'
	257
fcdbd954 CC	258	test_expect_success 'set core.splitIndex config variable to true' '
	259	git config core.splitIndex true &&
	260	: >three &&
	261	git update-index --add three &&
8133061e NTND	262	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	263	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	264	cat >expect <<-EOF &&
	265	$BASE
	266	replacements:
	267	deletions:
	268	EOF
	269	test_cmp expect actual &&
	270	: >four &&
	271	git update-index --add four &&
8133061e	272	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	273	cat >expect <<-EOF &&
	274	$BASE
	275	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 four
	276	replacements:
	277	deletions:
	278	EOF
	279	test_cmp expect actual
	280	'
	281
	282	test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
	283	git config --unset splitIndex.maxPercentChange &&
	284	: >five &&
	285	git update-index --add five &&
8133061e NTND	286	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	287	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	288	cat >expect <<-EOF &&
	289	$BASE
	290	replacements:
	291	deletions:
	292	EOF
	293	test_cmp expect actual &&
	294	: >six &&
	295	git update-index --add six &&
8133061e	296	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	297	cat >expect <<-EOF &&
	298	$BASE
	299	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 six
	300	replacements:
	301	deletions:
	302	EOF
	303	test_cmp expect actual
	304	'
	305
	306	test_expect_success 'check splitIndex.maxPercentChange set to 0' '
	307	git config splitIndex.maxPercentChange 0 &&
	308	: >seven &&
	309	git update-index --add seven &&
8133061e NTND	310	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	311	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	312	cat >expect <<-EOF &&
	313	$BASE
	314	replacements:
	315	deletions:
	316	EOF
	317	test_cmp expect actual &&
	318	: >eight &&
	319	git update-index --add eight &&
8133061e NTND	320	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	321	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	322	cat >expect <<-EOF &&
	323	$BASE
	324	replacements:
	325	deletions:
	326	EOF
	327	test_cmp expect actual
	328	'
	329
c0441f7e CC	330	test_expect_success 'shared index files expire after 2 weeks by default' '
	331	: >ten &&
	332	git update-index --add ten &&
c3a00825	333	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	334	just_under_2_weeks_ago=$((5-14*86400)) &&
0e496492	335	test-tool chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
c0441f7e CC	336	: >eleven &&
c0441f7e CC	337	git update-index --add eleven &&
c3a00825	338	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	339	just_over_2_weeks_ago=$((-1-14*86400)) &&
0e496492	340	test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
c0441f7e CC	341	: >twelve &&
c0441f7e CC	342	git update-index --add twelve &&
c3a00825	343	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	344	'
	345
	346	test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
	347	git config splitIndex.sharedIndexExpire "16.days.ago" &&
0e496492	348	test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
c0441f7e CC	349	: >thirteen &&
c0441f7e CC	350	git update-index --add thirteen &&
c3a00825	351	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	352	just_over_16_days_ago=$((-1-16*86400)) &&
0e496492	353	test-tool chmtime =$just_over_16_days_ago .git/sharedindex.* &&
c0441f7e CC	354	: >fourteen &&
c0441f7e CC	355	git update-index --add fourteen &&
c3a00825	356	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	357	'
	358
	359	test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
	360	git config splitIndex.sharedIndexExpire never &&
	361	just_10_years_ago=$((-3651086400)) &&
0e496492	362	test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
c0441f7e CC	363	: >fifteen &&
c0441f7e CC	364	git update-index --add fifteen &&
c3a00825	365	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e CC	366	git config splitIndex.sharedIndexExpire now &&
c0441f7e CC	367	just_1_second_ago=-1 &&
0e496492	368	test-tool chmtime =$just_1_second_ago .git/sharedindex.* &&
c0441f7e CC	369	: >sixteen &&
c0441f7e CC	370	git update-index --add sixteen &&
c3a00825	371	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	372	'
c0441f7e CC	373
3ee83f48 CC	374	while read -r mode modebits
	375	do
	376	test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
	377	# Remove existing shared index files
	378	git config core.splitIndex false &&
	379	git update-index --force-remove one &&
	380	rm -f .git/sharedindex.* &&
	381	# Create one new shared index file
	382	git config core.sharedrepository "$mode" &&
	383	git config core.splitIndex true &&
	384	: >one &&
	385	git update-index --add one &&
	386	echo "$modebits" >expect &&
	387	test_modebits .git/index >actual &&
	388	test_cmp expect actual &&
	389	shared=$(ls .git/sharedindex.*) &&
	390	case "$shared" in
	391	" ")
	392	# we have more than one???
	393	false ;;
	394	*)
	395	test_modebits "$shared" >actual &&
	396	test_cmp expect actual ;;
	397	esac
	398	'
	399	done <<\EOF
	400	0666 -rw-rw-rw-
	401	0642 -rw-r---w-
	402	EOF
	403
ef5b3a6c NTND	404	test_expect_success POSIXPERM,SANITY 'graceful handling when splitting index is not allowed' '
	405	test_create_repo ro &&
	406	(
	407	cd ro &&
	408	test_commit initial &&
	409	git update-index --split-index &&
	410	test -f .git/sharedindex.*
	411	) &&
	412	cp ro/.git/index new-index &&
	413	test_when_finished "chmod u+w ro/.git" &&
	414	chmod u-w ro/.git &&
	415	GIT_INDEX_FILE="$(pwd)/new-index" git -C ro update-index --split-index &&
	416	chmod u+w ro/.git &&
	417	rm ro/.git/sharedindex.* &&
	418	GIT_INDEX_FILE=new-index git ls-files >actual &&
	419	echo initial.t >expected &&
	420	test_cmp expected actual
	421	'
	422
4bddd983 TG	423	test_expect_success 'writing split index with null sha1 does not write cache tree' '
	424	git config core.splitIndex true &&
	425	git config splitIndex.maxPercentChange 0 &&
	426	git commit -m "commit" &&
	427	{
	428	git ls-tree HEAD &&
	429	printf "160000 commit $_z40\\tbroken\\n"
	430	} >broken-tree &&
	431	echo "add broken entry" >msg &&
	432
	433	tree=$(git mktree <broken-tree) &&
	434	test_tick &&
	435	commit=$(git commit-tree $tree -p HEAD <msg) &&
	436	git update-ref HEAD "$commit" &&
	437	GIT_ALLOW_NULL_SHA1=1 git reset --hard &&
06ccb29e	438	(test-tool dump-cache-tree >cache-tree.out \|\| true) &&
4bddd983 TG	439	test_line_count = 0 cache-tree.out
	440	'
	441
3e52f70b	442	test_done