[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 | sed -n "s/^own/base/p") &&
	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 &&
	test_must_be_empty 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 $ZERO_OID\\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_might_fail test-tool dump-cache-tree >cache-tree.out &&
	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 $EMPTY_BLOB 0 one
	57	EOF
3e52f70b NTND	58	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	59
acdee9e9	60	BASE=$(test-tool dump-split-index .git/index \| sed -n "s/^own/base/p") &&
8133061e	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 &&
1c5e94f4	146	test_must_be_empty ls-files.actual &&
3e52f70b	147
8133061e	148	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	149	cat >expect <<-EOF &&
	150	$BASE
	151	replacements:
	152	deletions: 0
	153	EOF
3e52f70b NTND	154	test_cmp expect actual
	155	'
	156
	157	test_expect_success 'add original file back' '
	158	: >one &&
	159	git update-index --add one &&
	160	git ls-files --stage >ls-files.actual &&
56621763 CC	161	cat >ls-files.expect <<-EOF &&
	162	100644 $EMPTY_BLOB 0 one
	163	EOF
3e52f70b NTND	164	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	165
8133061e	166	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	167	cat >expect <<-EOF &&
	168	$BASE
	169	100644 $EMPTY_BLOB 0 one
	170	replacements:
	171	deletions: 0
	172	EOF
3e52f70b NTND	173	test_cmp expect actual
	174	'
	175
	176	test_expect_success 'add new file' '
	177	: >two &&
	178	git update-index --add two &&
	179	git ls-files --stage >actual &&
56621763 CC	180	cat >expect <<-EOF &&
	181	100644 $EMPTY_BLOB 0 one
	182	100644 $EMPTY_BLOB 0 two
	183	EOF
3e52f70b NTND	184	test_cmp expect actual
	185	'
	186
	187	test_expect_success 'unify index, two files remain' '
	188	git update-index --no-split-index &&
	189	git ls-files --stage >ls-files.actual &&
56621763 CC	190	cat >ls-files.expect <<-EOF &&
	191	100644 $EMPTY_BLOB 0 one
	192	100644 $EMPTY_BLOB 0 two
	193	EOF
8fb26872	194	test_cmp ls-files.expect ls-files.actual &&
3e52f70b	195
8133061e	196	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	197	cat >expect <<-EOF &&
	198	not a split index
	199	EOF
3e52f70b NTND	200	test_cmp expect actual
	201	'
	202
098aa867	203	test_expect_success 'rev-parse --shared-index-path' '
5de8a549 MR	204	test_create_repo split-index &&
	205	(
	206	cd split-index &&
	207	git update-index --split-index &&
	208	echo .git/sharedindex* >expect &&
	209	git rev-parse --shared-index-path >actual &&
	210	test_cmp expect actual &&
	211	mkdir subdirectory &&
	212	cd subdirectory &&
	213	echo ../.git/sharedindex* >expect &&
	214	git rev-parse --shared-index-path >actual &&
	215	test_cmp expect actual
	216	)
	217	'
	218
b8923bf6 CC	219	test_expect_success 'set core.splitIndex config variable to true' '
	220	git config core.splitIndex true &&
	221	: >three &&
	222	git update-index --add three &&
	223	git ls-files --stage >ls-files.actual &&
	224	cat >ls-files.expect <<-EOF &&
	225	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
	226	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 three
	227	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
	228	EOF
	229	test_cmp ls-files.expect ls-files.actual &&
8133061e NTND	230	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	231	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
b8923bf6 CC	232	cat >expect <<-EOF &&
	233	$BASE
	234	replacements:
	235	deletions:
	236	EOF
	237	test_cmp expect actual
	238	'
	239
	240	test_expect_success 'set core.splitIndex config variable to false' '
	241	git config core.splitIndex false &&
	242	git update-index --force-remove three &&
	243	git ls-files --stage >ls-files.actual &&
	244	cat >ls-files.expect <<-EOF &&
	245	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
	246	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
	247	EOF
	248	test_cmp ls-files.expect ls-files.actual &&
8133061e	249	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
b8923bf6 CC	250	cat >expect <<-EOF &&
	251	not a split index
	252	EOF
	253	test_cmp expect actual
	254	'
	255
fcdbd954 CC	256	test_expect_success 'set core.splitIndex config variable to true' '
	257	git config core.splitIndex true &&
	258	: >three &&
	259	git update-index --add three &&
8133061e NTND	260	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	261	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	262	cat >expect <<-EOF &&
	263	$BASE
	264	replacements:
	265	deletions:
	266	EOF
	267	test_cmp expect actual &&
	268	: >four &&
	269	git update-index --add four &&
8133061e	270	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	271	cat >expect <<-EOF &&
	272	$BASE
	273	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 four
	274	replacements:
	275	deletions:
	276	EOF
	277	test_cmp expect actual
	278	'
	279
	280	test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
	281	git config --unset splitIndex.maxPercentChange &&
	282	: >five &&
	283	git update-index --add five &&
8133061e NTND	284	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	285	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	286	cat >expect <<-EOF &&
	287	$BASE
	288	replacements:
	289	deletions:
	290	EOF
	291	test_cmp expect actual &&
	292	: >six &&
	293	git update-index --add six &&
8133061e	294	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	295	cat >expect <<-EOF &&
	296	$BASE
	297	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 six
	298	replacements:
	299	deletions:
	300	EOF
	301	test_cmp expect actual
	302	'
	303
	304	test_expect_success 'check splitIndex.maxPercentChange set to 0' '
	305	git config splitIndex.maxPercentChange 0 &&
	306	: >seven &&
	307	git update-index --add seven &&
8133061e NTND	308	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	309	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	310	cat >expect <<-EOF &&
	311	$BASE
	312	replacements:
	313	deletions:
	314	EOF
	315	test_cmp expect actual &&
	316	: >eight &&
	317	git update-index --add eight &&
8133061e NTND	318	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	319	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	320	cat >expect <<-EOF &&
	321	$BASE
	322	replacements:
	323	deletions:
	324	EOF
	325	test_cmp expect actual
	326	'
	327
c0441f7e CC	328	test_expect_success 'shared index files expire after 2 weeks by default' '
	329	: >ten &&
	330	git update-index --add ten &&
c3a00825	331	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	332	just_under_2_weeks_ago=$((5-14*86400)) &&
0e496492	333	test-tool chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
c0441f7e CC	334	: >eleven &&
c0441f7e CC	335	git update-index --add eleven &&
c3a00825	336	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	337	just_over_2_weeks_ago=$((-1-14*86400)) &&
0e496492	338	test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
c0441f7e CC	339	: >twelve &&
c0441f7e CC	340	git update-index --add twelve &&
c3a00825	341	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	342	'
	343
	344	test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
	345	git config splitIndex.sharedIndexExpire "16.days.ago" &&
0e496492	346	test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
c0441f7e CC	347	: >thirteen &&
c0441f7e CC	348	git update-index --add thirteen &&
c3a00825	349	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	350	just_over_16_days_ago=$((-1-16*86400)) &&
0e496492	351	test-tool chmtime =$just_over_16_days_ago .git/sharedindex.* &&
c0441f7e CC	352	: >fourteen &&
c0441f7e CC	353	git update-index --add fourteen &&
c3a00825	354	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	355	'
	356
	357	test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
	358	git config splitIndex.sharedIndexExpire never &&
	359	just_10_years_ago=$((-3651086400)) &&
0e496492	360	test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
c0441f7e CC	361	: >fifteen &&
c0441f7e CC	362	git update-index --add fifteen &&
c3a00825	363	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e CC	364	git config splitIndex.sharedIndexExpire now &&
c0441f7e CC	365	just_1_second_ago=-1 &&
0e496492	366	test-tool chmtime =$just_1_second_ago .git/sharedindex.* &&
c0441f7e CC	367	: >sixteen &&
c0441f7e CC	368	git update-index --add sixteen &&
c3a00825	369	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	370	'
c0441f7e CC	371
3ee83f48 CC	372	while read -r mode modebits
	373	do
	374	test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
	375	# Remove existing shared index files
	376	git config core.splitIndex false &&
	377	git update-index --force-remove one &&
	378	rm -f .git/sharedindex.* &&
	379	# Create one new shared index file
	380	git config core.sharedrepository "$mode" &&
	381	git config core.splitIndex true &&
	382	: >one &&
	383	git update-index --add one &&
	384	echo "$modebits" >expect &&
	385	test_modebits .git/index >actual &&
	386	test_cmp expect actual &&
	387	shared=$(ls .git/sharedindex.*) &&
	388	case "$shared" in
	389	" ")
	390	# we have more than one???
	391	false ;;
	392	*)
	393	test_modebits "$shared" >actual &&
	394	test_cmp expect actual ;;
	395	esac
	396	'
	397	done <<\EOF
	398	0666 -rw-rw-rw-
	399	0642 -rw-r---w-
	400	EOF
	401
ef5b3a6c NTND	402	test_expect_success POSIXPERM,SANITY 'graceful handling when splitting index is not allowed' '
	403	test_create_repo ro &&
	404	(
	405	cd ro &&
	406	test_commit initial &&
	407	git update-index --split-index &&
	408	test -f .git/sharedindex.*
	409	) &&
	410	cp ro/.git/index new-index &&
	411	test_when_finished "chmod u+w ro/.git" &&
	412	chmod u-w ro/.git &&
	413	GIT_INDEX_FILE="$(pwd)/new-index" git -C ro update-index --split-index &&
	414	chmod u+w ro/.git &&
	415	rm ro/.git/sharedindex.* &&
	416	GIT_INDEX_FILE=new-index git ls-files >actual &&
	417	echo initial.t >expected &&
	418	test_cmp expected actual
	419	'
	420
4bddd983 TG	421	test_expect_success 'writing split index with null sha1 does not write cache tree' '
	422	git config core.splitIndex true &&
	423	git config splitIndex.maxPercentChange 0 &&
	424	git commit -m "commit" &&
	425	{
	426	git ls-tree HEAD &&
8125a58b	427	printf "160000 commit $ZERO_OID\\tbroken\\n"
4bddd983 TG	428	} >broken-tree &&
	429	echo "add broken entry" >msg &&
	430
	431	tree=$(git mktree <broken-tree) &&
	432	test_tick &&
	433	commit=$(git commit-tree $tree -p HEAD <msg) &&
	434	git update-ref HEAD "$commit" &&
	435	GIT_ALLOW_NULL_SHA1=1 git reset --hard &&
83279748	436	test_might_fail test-tool dump-cache-tree >cache-tree.out &&
4bddd983 TG	437	test_line_count = 0 cache-tree.out
	438	'
	439
3e52f70b	440	test_done