[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

# Testing a hard coded SHA against an index with an extension
# that can vary from run to run is problematic so we disable
# those extensions.
sane_unset GIT_TEST_FSMONITOR
sane_unset GIT_TEST_INDEX_THREADS

# Create a file named as $1 with content read from stdin.
# Set the file's mtime to a few seconds in the past to avoid racy situations.
create_non_racy_file () {
	cat >"$1" &&
	test-tool chmtime =-5 "$1"
}

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=3527df833c6c100d3d1d921a9a782d62a8be4b58
		base=746f7ab2ed44fb839efdfbffcf399d0b113fb4cb
	else
		own=5e9b60117ece18da410ddecc8b8d43766a0e4204
		base=4370042739b31cd17a5c5cd6043a77c9a00df113
	fi &&
	cat >expect <<-EOF &&
	own $own
	base $base
	replacements:
	deletions:
	EOF
	test_cmp expect actual
'

test_expect_success 'add one file' '
	create_non_racy_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 | create_non_racy_file 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' '
	create_non_racy_file 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' '
	create_non_racy_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
	100644 $EMPTY_BLOB 0	one
	replacements:
	deletions: 0
	EOF
	test_cmp expect actual
'

test_expect_success 'add new file' '
	create_non_racy_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 &&
	create_non_racy_file 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 back to true' '
	git config core.splitIndex true &&
	create_non_racy_file 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 &&
	create_non_racy_file 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 &&
	create_non_racy_file 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 &&
	create_non_racy_file 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 &&
	create_non_racy_file 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 &&
	$BASE
	replacements:
	deletions:
	EOF
	test_cmp expect actual &&
	create_non_racy_file eight &&
	git update-index --add eight &&
	BASE=$(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' '
	create_non_racy_file 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.* &&
	create_non_racy_file 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.* &&
	create_non_racy_file 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.* &&
	create_non_racy_file 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.* &&
	create_non_racy_file 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.* &&
	create_non_racy_file 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.* &&
	create_non_racy_file 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 &&
		create_non_racy_file 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
c780b9cf BP	9
	10	# Testing a hard coded SHA against an index with an extension
	11	# that can vary from run to run is problematic so we disable
	12	# those extensions.
4cb54d0a	13	sane_unset GIT_TEST_FSMONITOR
c780b9cf	14	sane_unset GIT_TEST_INDEX_THREADS
3e52f70b	15
c6e5607c SG	16	# Create a file named as $1 with content read from stdin.
	17	# Set the file's mtime to a few seconds in the past to avoid racy situations.
	18	create_non_racy_file () {
	19	cat >"$1" &&
	20	test-tool chmtime =-5 "$1"
	21	}
	22
3e52f70b	23	test_expect_success 'enable split index' '
e6a1dd77	24	git config splitIndex.maxPercentChange 100 &&
3e52f70b	25	git update-index --split-index &&
8133061e	26	test-tool dump-split-index .git/index >actual &&
cc6f663d	27	indexversion=$(test-tool index-version <.git/index) &&
e869c5ea TG	28	if test "$indexversion" = "4"
e869c5ea TG	29	then
3b1d9e04 BP	30	own=3527df833c6c100d3d1d921a9a782d62a8be4b58
3b1d9e04 BP	31	base=746f7ab2ed44fb839efdfbffcf399d0b113fb4cb
e869c5ea	32	else
3b1d9e04 BP	33	own=5e9b60117ece18da410ddecc8b8d43766a0e4204
3b1d9e04 BP	34	base=4370042739b31cd17a5c5cd6043a77c9a00df113
e869c5ea	35	fi &&
56621763 CC	36	cat >expect <<-EOF &&
	37	own $own
	38	base $base
	39	replacements:
	40	deletions:
	41	EOF
3e52f70b NTND	42	test_cmp expect actual
	43	'
	44
	45	test_expect_success 'add one file' '
c6e5607c	46	create_non_racy_file one &&
3e52f70b NTND	47	git update-index --add one &&
3e52f70b NTND	48	git ls-files --stage >ls-files.actual &&
56621763 CC	49	cat >ls-files.expect <<-EOF &&
	50	100644 $EMPTY_BLOB 0 one
	51	EOF
3e52f70b NTND	52	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	53
8133061e	54	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	55	cat >expect <<-EOF &&
	56	base $base
	57	100644 $EMPTY_BLOB 0 one
	58	replacements:
	59	deletions:
	60	EOF
3e52f70b NTND	61	test_cmp expect actual
	62	'
	63
	64	test_expect_success 'disable split index' '
	65	git update-index --no-split-index &&
	66	git ls-files --stage >ls-files.actual &&
56621763 CC	67	cat >ls-files.expect <<-EOF &&
	68	100644 $EMPTY_BLOB 0 one
	69	EOF
3e52f70b NTND	70	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	71
acdee9e9	72	BASE=$(test-tool dump-split-index .git/index \| sed -n "s/^own/base/p") &&
8133061e	73	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	74	cat >expect <<-EOF &&
	75	not a split index
	76	EOF
3e52f70b NTND	77	test_cmp expect actual
	78	'
	79
	80	test_expect_success 'enable split index again, "one" now belongs to base index"' '
	81	git update-index --split-index &&
	82	git ls-files --stage >ls-files.actual &&
56621763 CC	83	cat >ls-files.expect <<-EOF &&
	84	100644 $EMPTY_BLOB 0 one
	85	EOF
3e52f70b NTND	86	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	87
8133061e	88	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	89	cat >expect <<-EOF &&
	90	$BASE
	91	replacements:
	92	deletions:
	93	EOF
3e52f70b NTND	94	test_cmp expect actual
	95	'
	96
	97	test_expect_success 'modify original file, base index untouched' '
c6e5607c	98	echo modified \| create_non_racy_file one &&
3e52f70b NTND	99	git update-index one &&
3e52f70b NTND	100	git ls-files --stage >ls-files.actual &&
56621763 CC	101	cat >ls-files.expect <<-EOF &&
	102	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
	103	EOF
3e52f70b NTND	104	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	105
8133061e	106	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	107	q_to_tab >expect <<-EOF &&
	108	$BASE
	109	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	110	replacements: 0
	111	deletions:
	112	EOF
3e52f70b NTND	113	test_cmp expect actual
	114	'
	115
	116	test_expect_success 'add another file, which stays index' '
c6e5607c	117	create_non_racy_file two &&
3e52f70b NTND	118	git update-index --add two &&
3e52f70b NTND	119	git ls-files --stage >ls-files.actual &&
56621763 CC	120	cat >ls-files.expect <<-EOF &&
	121	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
	122	100644 $EMPTY_BLOB 0 two
	123	EOF
3e52f70b NTND	124	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	125
8133061e	126	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	127	q_to_tab >expect <<-EOF &&
	128	$BASE
	129	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	130	100644 $EMPTY_BLOB 0 two
	131	replacements: 0
	132	deletions:
	133	EOF
3e52f70b NTND	134	test_cmp expect actual
	135	'
	136
	137	test_expect_success 'remove file not in base index' '
	138	git update-index --force-remove two &&
	139	git ls-files --stage >ls-files.actual &&
56621763 CC	140	cat >ls-files.expect <<-EOF &&
	141	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0 one
	142	EOF
3e52f70b NTND	143	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	144
8133061e	145	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	146	q_to_tab >expect <<-EOF &&
	147	$BASE
	148	100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
	149	replacements: 0
	150	deletions:
	151	EOF
3e52f70b NTND	152	test_cmp expect actual
	153	'
	154
	155	test_expect_success 'remove file in base index' '
	156	git update-index --force-remove one &&
	157	git ls-files --stage >ls-files.actual &&
1c5e94f4	158	test_must_be_empty ls-files.actual &&
3e52f70b	159
8133061e	160	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	161	cat >expect <<-EOF &&
	162	$BASE
	163	replacements:
	164	deletions: 0
	165	EOF
3e52f70b NTND	166	test_cmp expect actual
	167	'
	168
	169	test_expect_success 'add original file back' '
c6e5607c	170	create_non_racy_file one &&
3e52f70b NTND	171	git update-index --add one &&
3e52f70b NTND	172	git ls-files --stage >ls-files.actual &&
56621763 CC	173	cat >ls-files.expect <<-EOF &&
	174	100644 $EMPTY_BLOB 0 one
	175	EOF
3e52f70b NTND	176	test_cmp ls-files.expect ls-files.actual &&
3e52f70b NTND	177
8133061e	178	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	179	cat >expect <<-EOF &&
	180	$BASE
	181	100644 $EMPTY_BLOB 0 one
	182	replacements:
	183	deletions: 0
	184	EOF
3e52f70b NTND	185	test_cmp expect actual
	186	'
	187
	188	test_expect_success 'add new file' '
c6e5607c	189	create_non_racy_file two &&
3e52f70b NTND	190	git update-index --add two &&
3e52f70b NTND	191	git ls-files --stage >actual &&
56621763 CC	192	cat >expect <<-EOF &&
	193	100644 $EMPTY_BLOB 0 one
	194	100644 $EMPTY_BLOB 0 two
	195	EOF
3e52f70b NTND	196	test_cmp expect actual
	197	'
	198
	199	test_expect_success 'unify index, two files remain' '
	200	git update-index --no-split-index &&
	201	git ls-files --stage >ls-files.actual &&
56621763 CC	202	cat >ls-files.expect <<-EOF &&
	203	100644 $EMPTY_BLOB 0 one
	204	100644 $EMPTY_BLOB 0 two
	205	EOF
8fb26872	206	test_cmp ls-files.expect ls-files.actual &&
3e52f70b	207
8133061e	208	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
56621763 CC	209	cat >expect <<-EOF &&
	210	not a split index
	211	EOF
3e52f70b NTND	212	test_cmp expect actual
	213	'
	214
098aa867	215	test_expect_success 'rev-parse --shared-index-path' '
5de8a549 MR	216	test_create_repo split-index &&
	217	(
	218	cd split-index &&
	219	git update-index --split-index &&
	220	echo .git/sharedindex* >expect &&
	221	git rev-parse --shared-index-path >actual &&
	222	test_cmp expect actual &&
	223	mkdir subdirectory &&
	224	cd subdirectory &&
	225	echo ../.git/sharedindex* >expect &&
	226	git rev-parse --shared-index-path >actual &&
	227	test_cmp expect actual
	228	)
	229	'
	230
b8923bf6 CC	231	test_expect_success 'set core.splitIndex config variable to true' '
b8923bf6 CC	232	git config core.splitIndex true &&
c6e5607c	233	create_non_racy_file three &&
b8923bf6 CC	234	git update-index --add three &&
	235	git ls-files --stage >ls-files.actual &&
	236	cat >ls-files.expect <<-EOF &&
	237	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
	238	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 three
	239	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
	240	EOF
	241	test_cmp ls-files.expect ls-files.actual &&
8133061e NTND	242	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	243	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
b8923bf6 CC	244	cat >expect <<-EOF &&
	245	$BASE
	246	replacements:
	247	deletions:
	248	EOF
	249	test_cmp expect actual
	250	'
	251
	252	test_expect_success 'set core.splitIndex config variable to false' '
	253	git config core.splitIndex false &&
	254	git update-index --force-remove three &&
	255	git ls-files --stage >ls-files.actual &&
	256	cat >ls-files.expect <<-EOF &&
	257	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 one
	258	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 two
	259	EOF
	260	test_cmp ls-files.expect ls-files.actual &&
8133061e	261	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
b8923bf6 CC	262	cat >expect <<-EOF &&
	263	not a split index
	264	EOF
	265	test_cmp expect actual
	266	'
	267
c6e5607c	268	test_expect_success 'set core.splitIndex config variable back to true' '
fcdbd954	269	git config core.splitIndex true &&
c6e5607c	270	create_non_racy_file three &&
fcdbd954	271	git update-index --add three &&
8133061e NTND	272	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	273	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	274	cat >expect <<-EOF &&
	275	$BASE
	276	replacements:
	277	deletions:
	278	EOF
	279	test_cmp expect actual &&
c6e5607c	280	create_non_racy_file four &&
fcdbd954	281	git update-index --add four &&
8133061e	282	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	283	cat >expect <<-EOF &&
	284	$BASE
	285	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 four
	286	replacements:
	287	deletions:
	288	EOF
	289	test_cmp expect actual
	290	'
	291
	292	test_expect_success 'check behavior with splitIndex.maxPercentChange unset' '
	293	git config --unset splitIndex.maxPercentChange &&
c6e5607c	294	create_non_racy_file five &&
fcdbd954	295	git update-index --add five &&
8133061e NTND	296	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	297	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	298	cat >expect <<-EOF &&
	299	$BASE
	300	replacements:
	301	deletions:
	302	EOF
	303	test_cmp expect actual &&
c6e5607c	304	create_non_racy_file six &&
fcdbd954	305	git update-index --add six &&
8133061e	306	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	307	cat >expect <<-EOF &&
	308	$BASE
	309	100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 six
	310	replacements:
	311	deletions:
	312	EOF
	313	test_cmp expect actual
	314	'
	315
	316	test_expect_success 'check splitIndex.maxPercentChange set to 0' '
	317	git config splitIndex.maxPercentChange 0 &&
c6e5607c	318	create_non_racy_file seven &&
fcdbd954	319	git update-index --add seven &&
8133061e NTND	320	BASE=$(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	$BASE
	324	replacements:
	325	deletions:
	326	EOF
	327	test_cmp expect actual &&
c6e5607c	328	create_non_racy_file eight &&
fcdbd954	329	git update-index --add eight &&
8133061e NTND	330	BASE=$(test-tool dump-split-index .git/index \| grep "^base") &&
8133061e NTND	331	test-tool dump-split-index .git/index \| sed "/^own/d" >actual &&
fcdbd954 CC	332	cat >expect <<-EOF &&
	333	$BASE
	334	replacements:
	335	deletions:
	336	EOF
	337	test_cmp expect actual
	338	'
	339
c0441f7e	340	test_expect_success 'shared index files expire after 2 weeks by default' '
c6e5607c	341	create_non_racy_file ten &&
c0441f7e	342	git update-index --add ten &&
c3a00825	343	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	344	just_under_2_weeks_ago=$((5-14*86400)) &&
0e496492	345	test-tool chmtime =$just_under_2_weeks_ago .git/sharedindex.* &&
c6e5607c	346	create_non_racy_file eleven &&
c0441f7e	347	git update-index --add eleven &&
c3a00825	348	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	349	just_over_2_weeks_ago=$((-1-14*86400)) &&
0e496492	350	test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
c6e5607c	351	create_non_racy_file twelve &&
c0441f7e	352	git update-index --add twelve &&
c3a00825	353	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	354	'
	355
	356	test_expect_success 'check splitIndex.sharedIndexExpire set to 16 days' '
	357	git config splitIndex.sharedIndexExpire "16.days.ago" &&
0e496492	358	test-tool chmtime =$just_over_2_weeks_ago .git/sharedindex.* &&
c6e5607c	359	create_non_racy_file thirteen &&
c0441f7e	360	git update-index --add thirteen &&
c3a00825	361	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e	362	just_over_16_days_ago=$((-1-16*86400)) &&
0e496492	363	test-tool chmtime =$just_over_16_days_ago .git/sharedindex.* &&
c6e5607c	364	create_non_racy_file fourteen &&
c0441f7e	365	git update-index --add fourteen &&
c3a00825	366	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	367	'
	368
	369	test_expect_success 'check splitIndex.sharedIndexExpire set to "never" and "now"' '
	370	git config splitIndex.sharedIndexExpire never &&
	371	just_10_years_ago=$((-3651086400)) &&
0e496492	372	test-tool chmtime =$just_10_years_ago .git/sharedindex.* &&
c6e5607c	373	create_non_racy_file fifteen &&
c0441f7e	374	git update-index --add fifteen &&
c3a00825	375	test $(ls .git/sharedindex.* \| wc -l) -gt 2 &&
c0441f7e CC	376	git config splitIndex.sharedIndexExpire now &&
c0441f7e CC	377	just_1_second_ago=-1 &&
0e496492	378	test-tool chmtime =$just_1_second_ago .git/sharedindex.* &&
c6e5607c	379	create_non_racy_file sixteen &&
c0441f7e	380	git update-index --add sixteen &&
c3a00825	381	test $(ls .git/sharedindex.* \| wc -l) -le 2
c0441f7e CC	382	'
c0441f7e CC	383
3ee83f48 CC	384	while read -r mode modebits
	385	do
	386	test_expect_success POSIXPERM "split index respects core.sharedrepository $mode" '
	387	# Remove existing shared index files
	388	git config core.splitIndex false &&
	389	git update-index --force-remove one &&
	390	rm -f .git/sharedindex.* &&
	391	# Create one new shared index file
	392	git config core.sharedrepository "$mode" &&
	393	git config core.splitIndex true &&
c6e5607c	394	create_non_racy_file one &&
3ee83f48 CC	395	git update-index --add one &&
	396	echo "$modebits" >expect &&
	397	test_modebits .git/index >actual &&
	398	test_cmp expect actual &&
	399	shared=$(ls .git/sharedindex.*) &&
	400	case "$shared" in
	401	" ")
	402	# we have more than one???
	403	false ;;
	404	*)
	405	test_modebits "$shared" >actual &&
	406	test_cmp expect actual ;;
	407	esac
	408	'
	409	done <<\EOF
	410	0666 -rw-rw-rw-
	411	0642 -rw-r---w-
	412	EOF
	413
ef5b3a6c NTND	414	test_expect_success POSIXPERM,SANITY 'graceful handling when splitting index is not allowed' '
	415	test_create_repo ro &&
	416	(
	417	cd ro &&
	418	test_commit initial &&
	419	git update-index --split-index &&
	420	test -f .git/sharedindex.*
	421	) &&
	422	cp ro/.git/index new-index &&
	423	test_when_finished "chmod u+w ro/.git" &&
	424	chmod u-w ro/.git &&
	425	GIT_INDEX_FILE="$(pwd)/new-index" git -C ro update-index --split-index &&
	426	chmod u+w ro/.git &&
	427	rm ro/.git/sharedindex.* &&
	428	GIT_INDEX_FILE=new-index git ls-files >actual &&
	429	echo initial.t >expected &&
	430	test_cmp expected actual
	431	'
	432
4bddd983 TG	433	test_expect_success 'writing split index with null sha1 does not write cache tree' '
	434	git config core.splitIndex true &&
	435	git config splitIndex.maxPercentChange 0 &&
	436	git commit -m "commit" &&
	437	{
	438	git ls-tree HEAD &&
8125a58b	439	printf "160000 commit $ZERO_OID\\tbroken\\n"
4bddd983 TG	440	} >broken-tree &&
	441	echo "add broken entry" >msg &&
	442
	443	tree=$(git mktree <broken-tree) &&
	444	test_tick &&
	445	commit=$(git commit-tree $tree -p HEAD <msg) &&
	446	git update-ref HEAD "$commit" &&
	447	GIT_ALLOW_NULL_SHA1=1 git reset --hard &&
83279748	448	test_might_fail test-tool dump-cache-tree >cache-tree.out &&
4bddd983 TG	449	test_line_count = 0 cache-tree.out
	450	'
	451
3e52f70b	452	test_done