[thirdparty/git.git] / t / t1450-fsck.sh

#!/bin/sh

test_description='git fsck random collection of tests

* (HEAD) B
* (master) A
'

. ./test-lib.sh

test_expect_success setup '
	git config gc.auto 0 &&
	git config i18n.commitencoding ISO-8859-1 &&
	test_commit A fileA one &&
	git config --unset i18n.commitencoding &&
	git checkout HEAD^0 &&
	test_commit B fileB two &&
	git tag -d A B &&
	git reflog expire --expire=now --all &&
	>empty
'

test_expect_success 'loose objects borrowed from alternate are not missing' '
	mkdir another &&
	(
		cd another &&
		git init &&
		echo ../../../.git/objects >.git/objects/info/alternates &&
		test_commit C fileC one &&
		git fsck --no-dangling >../actual 2>&1
	) &&
	test_cmp empty actual
'

test_expect_success 'HEAD is part of refs, valid objects appear valid' '
	git fsck >actual 2>&1 &&
	test_cmp empty actual
'

# Corruption tests follow.  Make sure to remove all traces of the
# specific corruption you test afterwards, lest a later test trip over
# it.

test_expect_success 'setup: helpers for corruption tests' '
	sha1_file() {
		echo "$*" | sed "s#..#.git/objects/&/#"
	} &&

	remove_object() {
		file=$(sha1_file "$*") &&
		test -e "$file" &&
		rm -f "$file"
	}
'

test_expect_success 'object with bad sha1' '
	sha=$(echo blob | git hash-object -w --stdin) &&
	old=$(echo $sha | sed "s+^..+&/+") &&
	new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
	sha="$(dirname $new)$(basename $new)" &&
	mv .git/objects/$old .git/objects/$new &&
	test_when_finished "remove_object $sha" &&
	git update-index --add --cacheinfo 100644 $sha foo &&
	test_when_finished "git read-tree -u --reset HEAD" &&
	tree=$(git write-tree) &&
	test_when_finished "remove_object $tree" &&
	cmt=$(echo bogus | git commit-tree $tree) &&
	test_when_finished "remove_object $cmt" &&
	git update-ref refs/heads/bogus $cmt &&
	test_when_finished "git update-ref -d refs/heads/bogus" &&

	test_must_fail git fsck 2>out &&
	cat out &&
	grep "$sha.*corrupt" out
'

test_expect_success 'branch pointing to non-commit' '
	git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
	test_when_finished "git update-ref -d refs/heads/invalid" &&
	git fsck 2>out &&
	cat out &&
	grep "not a commit" out
'

test_expect_success 'email without @ is okay' '
	git cat-file commit HEAD >basis &&
	sed "s/@/AT/" basis >okay &&
	new=$(git hash-object -t commit -w --stdin <okay) &&
	test_when_finished "remove_object $new" &&
	git update-ref refs/heads/bogus "$new" &&
	test_when_finished "git update-ref -d refs/heads/bogus" &&
	git fsck 2>out &&
	cat out &&
	! grep "commit $new" out
'

test_expect_success 'email with embedded > is not okay' '
	git cat-file commit HEAD >basis &&
	sed "s/@[a-z]/&>/" basis >bad-email &&
	new=$(git hash-object -t commit -w --stdin <bad-email) &&
	test_when_finished "remove_object $new" &&
	git update-ref refs/heads/bogus "$new" &&
	test_when_finished "git update-ref -d refs/heads/bogus" &&
	test_must_fail git fsck 2>out &&
	cat out &&
	grep "error in commit $new" out
'

test_expect_success 'missing < email delimiter is reported nicely' '
	git cat-file commit HEAD >basis &&
	sed "s/<//" basis >bad-email-2 &&
	new=$(git hash-object -t commit -w --stdin <bad-email-2) &&
	test_when_finished "remove_object $new" &&
	git update-ref refs/heads/bogus "$new" &&
	test_when_finished "git update-ref -d refs/heads/bogus" &&
	test_must_fail git fsck 2>out &&
	cat out &&
	grep "error in commit $new.* - bad name" out
'

test_expect_success 'missing email is reported nicely' '
	git cat-file commit HEAD >basis &&
	sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 &&
	new=$(git hash-object -t commit -w --stdin <bad-email-3) &&
	test_when_finished "remove_object $new" &&
	git update-ref refs/heads/bogus "$new" &&
	test_when_finished "git update-ref -d refs/heads/bogus" &&
	test_must_fail git fsck 2>out &&
	cat out &&
	grep "error in commit $new.* - missing email" out
'

test_expect_success '> in name is reported' '
	git cat-file commit HEAD >basis &&
	sed "s/ </> </" basis >bad-email-4 &&
	new=$(git hash-object -t commit -w --stdin <bad-email-4) &&
	test_when_finished "remove_object $new" &&
	git update-ref refs/heads/bogus "$new" &&
	test_when_finished "git update-ref -d refs/heads/bogus" &&
	test_must_fail git fsck 2>out &&
	cat out &&
	grep "error in commit $new" out
'

# date is 2^64 + 1
test_expect_success 'integer overflow in timestamps is reported' '
	git cat-file commit HEAD >basis &&
	sed "s/^\\(author .*>\\) [0-9]*/\\1 18446744073709551617/" \
		<basis >bad-timestamp &&
	new=$(git hash-object -t commit -w --stdin <bad-timestamp) &&
	test_when_finished "remove_object $new" &&
	git update-ref refs/heads/bogus "$new" &&
	test_when_finished "git update-ref -d refs/heads/bogus" &&
	test_must_fail git fsck 2>out &&
	cat out &&
	grep "error in commit $new.*integer overflow" out
'

test_expect_success 'malformatted tree object' '
	test_when_finished "git update-ref -d refs/tags/wrong" &&
	test_when_finished "remove_object \$T" &&
	T=$(
		GIT_INDEX_FILE=test-index &&
		export GIT_INDEX_FILE &&
		rm -f test-index &&
		>x &&
		git add x &&
		T=$(git write-tree) &&
		(
			git cat-file tree $T &&
			git cat-file tree $T
		) |
		git hash-object -w -t tree --stdin
	) &&
	test_must_fail git fsck 2>out &&
	grep "error in tree .*contains duplicate file entries" out
'

test_expect_success 'tag pointing to nonexistent' '
	cat >invalid-tag <<-\EOF &&
	object ffffffffffffffffffffffffffffffffffffffff
	type commit
	tag invalid
	tagger T A Gger <tagger@example.com> 1234567890 -0000

	This is an invalid tag.
	EOF

	tag=$(git hash-object -t tag -w --stdin <invalid-tag) &&
	test_when_finished "remove_object $tag" &&
	echo $tag >.git/refs/tags/invalid &&
	test_when_finished "git update-ref -d refs/tags/invalid" &&
	test_must_fail git fsck --tags >out &&
	cat out &&
	grep "broken link" out
'

test_expect_success 'tag pointing to something else than its type' '
	sha=$(echo blob | git hash-object -w --stdin) &&
	test_when_finished "remove_object $sha" &&
	cat >wrong-tag <<-EOF &&
	object $sha
	type commit
	tag wrong
	tagger T A Gger <tagger@example.com> 1234567890 -0000

	This is an invalid tag.
	EOF

	tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
	test_when_finished "remove_object $tag" &&
	echo $tag >.git/refs/tags/wrong &&
	test_when_finished "git update-ref -d refs/tags/wrong" &&
	test_must_fail git fsck --tags
'

test_expect_success 'tag with incorrect tag name & missing tagger' '
	sha=$(git rev-parse HEAD) &&
	cat >wrong-tag <<-EOF &&
	object $sha
	type commit
	tag wrong name format

	This is an invalid tag.
	EOF

	tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
	test_when_finished "remove_object $tag" &&
	echo $tag >.git/refs/tags/wrong &&
	test_when_finished "git update-ref -d refs/tags/wrong" &&
	git fsck --tags 2>out &&

	cat >expect <<-EOF &&
	warning in tag $tag: invalid '\''tag'\'' name: wrong name format
	warning in tag $tag: invalid format - expected '\''tagger'\'' line
	EOF
	test_cmp expect out
'

test_expect_success 'tag with bad tagger' '
	sha=$(git rev-parse HEAD) &&
	cat >wrong-tag <<-EOF &&
	object $sha
	type commit
	tag not-quite-wrong
	tagger Bad Tagger Name

	This is an invalid tag.
	EOF

	tag=$(git hash-object --literally -t tag -w --stdin <wrong-tag) &&
	test_when_finished "remove_object $tag" &&
	echo $tag >.git/refs/tags/wrong &&
	test_when_finished "git update-ref -d refs/tags/wrong" &&
	test_must_fail git fsck --tags 2>out &&
	grep "error in tag .*: invalid author/committer" out
'

test_expect_success 'cleaned up' '
	git fsck >actual 2>&1 &&
	test_cmp empty actual
'

test_expect_success 'rev-list --verify-objects' '
	git rev-list --verify-objects --all >/dev/null 2>out &&
	test_cmp empty out
'

test_expect_success 'rev-list --verify-objects with bad sha1' '
	sha=$(echo blob | git hash-object -w --stdin) &&
	old=$(echo $sha | sed "s+^..+&/+") &&
	new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
	sha="$(dirname $new)$(basename $new)" &&
	mv .git/objects/$old .git/objects/$new &&
	test_when_finished "remove_object $sha" &&
	git update-index --add --cacheinfo 100644 $sha foo &&
	test_when_finished "git read-tree -u --reset HEAD" &&
	tree=$(git write-tree) &&
	test_when_finished "remove_object $tree" &&
	cmt=$(echo bogus | git commit-tree $tree) &&
	test_when_finished "remove_object $cmt" &&
	git update-ref refs/heads/bogus $cmt &&
	test_when_finished "git update-ref -d refs/heads/bogus" &&

	test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
	cat out &&
	grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
'

_bz='\0'
_bz5="$_bz$_bz$_bz$_bz$_bz"
_bz20="$_bz5$_bz5$_bz5$_bz5"

test_expect_success 'fsck notices blob entry pointing to null sha1' '
	(git init null-blob &&
	 cd null-blob &&
	 sha=$(printf "100644 file$_bz$_bz20" |
	       git hash-object -w --stdin -t tree) &&
	  git fsck 2>out &&
	  cat out &&
	  grep "warning.*null sha1" out
	)
'

test_expect_success 'fsck notices submodule entry pointing to null sha1' '
	(git init null-commit &&
	 cd null-commit &&
	 sha=$(printf "160000 submodule$_bz$_bz20" |
	       git hash-object -w --stdin -t tree) &&
	  git fsck 2>out &&
	  cat out &&
	  grep "warning.*null sha1" out
	)
'

while read name path pretty; do
	while read mode type; do
		: ${pretty:=$path}
		test_expect_success "fsck notices $pretty as $type" '
		(
			git init $name-$type &&
			cd $name-$type &&
			echo content >file &&
			git add file &&
			git commit -m base &&
			blob=$(git rev-parse :file) &&
			tree=$(git rev-parse HEAD^{tree}) &&
			value=$(eval "echo \$$type") &&
			printf "$mode $type %s\t%s" "$value" "$path" >bad &&
			bad_tree=$(git mktree <bad) &&
			git fsck 2>out &&
			cat out &&
			grep "warning.*tree $bad_tree" out
		)'
	done <<-\EOF
	100644 blob
	040000 tree
	EOF
done <<-EOF
dot .
dotdot ..
dotgit .git
dotgit-case .GIT
dotgit-unicode .gI${u200c}T .gI{u200c}T
dotgit-case2 .Git
git-tilde1 git~1
dotgitdot .git.
dot-backslash-case .\\\\.GIT\\\\foobar
dotgit-case-backslash .git\\\\foobar
EOF

test_expect_success 'fsck allows .Ňit' '
	(
		git init not-dotgit &&
		cd not-dotgit &&
		echo content >file &&
		git add file &&
		git commit -m base &&
		blob=$(git rev-parse :file) &&
		printf "100644 blob $blob\t.\\305\\207it" >tree &&
		tree=$(git mktree <tree) &&
		git fsck 2>err &&
		test_line_count = 0 err
	)
'

# create a static test repo which is broken by omitting
# one particular object ($1, which is looked up via rev-parse
# in the new repository).
create_repo_missing () {
	rm -rf missing &&
	git init missing &&
	(
		cd missing &&
		git commit -m one --allow-empty &&
		mkdir subdir &&
		echo content >subdir/file &&
		git add subdir/file &&
		git commit -m two &&
		unrelated=$(echo unrelated | git hash-object --stdin -w) &&
		git tag -m foo tag $unrelated &&
		sha1=$(git rev-parse --verify "$1") &&
		path=$(echo $sha1 | sed 's|..|&/|') &&
		rm .git/objects/$path
	)
}

test_expect_success 'fsck notices missing blob' '
	create_repo_missing HEAD:subdir/file &&
	test_must_fail git -C missing fsck
'

test_expect_success 'fsck notices missing subtree' '
	create_repo_missing HEAD:subdir &&
	test_must_fail git -C missing fsck
'

test_expect_success 'fsck notices missing root tree' '
	create_repo_missing HEAD^{tree} &&
	test_must_fail git -C missing fsck
'

test_expect_success 'fsck notices missing parent' '
	create_repo_missing HEAD^ &&
	test_must_fail git -C missing fsck
'

test_expect_success 'fsck notices missing tagged object' '
	create_repo_missing tag^{blob} &&
	test_must_fail git -C missing fsck
'

test_expect_success 'fsck notices ref pointing to missing commit' '
	create_repo_missing HEAD &&
	test_must_fail git -C missing fsck
'

test_expect_success 'fsck notices ref pointing to missing tag' '
	create_repo_missing tag &&
	test_must_fail git -C missing fsck
'

test_done
Commit	Line	Data
469e2ebf JH	1	#!/bin/sh
469e2ebf JH	2
dbedf8bf JN	3	test_description='git fsck random collection of tests
	4
	5	* (HEAD) B
	6	* (master) A
	7	'
469e2ebf JH	8
	9	. ./test-lib.sh
	10
	11	test_expect_success setup '
dbedf8bf	12	git config gc.auto 0 &&
0adc6a3d	13	git config i18n.commitencoding ISO-8859-1 &&
469e2ebf	14	test_commit A fileA one &&
0adc6a3d	15	git config --unset i18n.commitencoding &&
469e2ebf JH	16	git checkout HEAD^0 &&
	17	test_commit B fileB two &&
	18	git tag -d A B &&
dbedf8bf JN	19	git reflog expire --expire=now --all &&
dbedf8bf JN	20	>empty
469e2ebf JH	21	'
469e2ebf JH	22
e15ef669 JH	23	test_expect_success 'loose objects borrowed from alternate are not missing' '
	24	mkdir another &&
	25	(
	26	cd another &&
	27	git init &&
	28	echo ../../../.git/objects >.git/objects/info/alternates &&
	29	test_commit C fileC one &&
c6a13b2c	30	git fsck --no-dangling >../actual 2>&1
dbedf8bf	31	) &&
dbedf8bf	32	test_cmp empty actual
e15ef669 JH	33	'
e15ef669 JH	34
dbedf8bf JN	35	test_expect_success 'HEAD is part of refs, valid objects appear valid' '
	36	git fsck >actual 2>&1 &&
	37	test_cmp empty actual
0adc6a3d JN	38	'
0adc6a3d JN	39
02a6552c TR	40	# Corruption tests follow. Make sure to remove all traces of the
	41	# specific corruption you test afterwards, lest a later test trip over
	42	# it.
	43
dbedf8bf JN	44	test_expect_success 'setup: helpers for corruption tests' '
	45	sha1_file() {
	46	echo "$*" \| sed "s#..#.git/objects/&/#"
	47	} &&
	48
	49	remove_object() {
	50	file=$(sha1_file "$*") &&
	51	test -e "$file" &&
	52	rm -f "$file"
	53	}
	54	'
	55
02a6552c TR	56	test_expect_success 'object with bad sha1' '
02a6552c TR	57	sha=$(echo blob \| git hash-object -w --stdin) &&
02a6552c TR	58	old=$(echo $sha \| sed "s+^..+&/+") &&
02a6552c TR	59	new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
a48fcd83	60	sha="$(dirname $new)$(basename $new)" &&
02a6552c	61	mv .git/objects/$old .git/objects/$new &&
dbedf8bf	62	test_when_finished "remove_object $sha" &&
02a6552c	63	git update-index --add --cacheinfo 100644 $sha foo &&
dbedf8bf	64	test_when_finished "git read-tree -u --reset HEAD" &&
02a6552c	65	tree=$(git write-tree) &&
dbedf8bf	66	test_when_finished "remove_object $tree" &&
02a6552c	67	cmt=$(echo bogus \| git commit-tree $tree) &&
dbedf8bf	68	test_when_finished "remove_object $cmt" &&
02a6552c	69	git update-ref refs/heads/bogus $cmt &&
dbedf8bf JN	70	test_when_finished "git update-ref -d refs/heads/bogus" &&
dbedf8bf JN	71
2e770fe4	72	test_must_fail git fsck 2>out &&
dbedf8bf JN	73	cat out &&
dbedf8bf JN	74	grep "$sha.*corrupt" out
02a6552c TR	75	'
	76
	77	test_expect_success 'branch pointing to non-commit' '
dbedf8bf JN	78	git rev-parse HEAD^{tree} >.git/refs/heads/invalid &&
dbedf8bf JN	79	test_when_finished "git update-ref -d refs/heads/invalid" &&
02a6552c	80	git fsck 2>out &&
dbedf8bf JN	81	cat out &&
dbedf8bf JN	82	grep "not a commit" out
02a6552c TR	83	'
02a6552c TR	84
daae1922 JN	85	test_expect_success 'email without @ is okay' '
	86	git cat-file commit HEAD >basis &&
	87	sed "s/@/AT/" basis >okay &&
	88	new=$(git hash-object -t commit -w --stdin <okay) &&
dbedf8bf	89	test_when_finished "remove_object $new" &&
daae1922	90	git update-ref refs/heads/bogus "$new" &&
dbedf8bf	91	test_when_finished "git update-ref -d refs/heads/bogus" &&
daae1922 JN	92	git fsck 2>out &&
daae1922 JN	93	cat out &&
dbedf8bf	94	! grep "commit $new" out
daae1922	95	'
daae1922	96
daae1922 JN	97	test_expect_success 'email with embedded > is not okay' '
	98	git cat-file commit HEAD >basis &&
	99	sed "s/@[a-z]/&>/" basis >bad-email &&
	100	new=$(git hash-object -t commit -w --stdin <bad-email) &&
dbedf8bf	101	test_when_finished "remove_object $new" &&
daae1922	102	git update-ref refs/heads/bogus "$new" &&
dbedf8bf	103	test_when_finished "git update-ref -d refs/heads/bogus" &&
2e770fe4	104	test_must_fail git fsck 2>out &&
daae1922 JN	105	cat out &&
	106	grep "error in commit $new" out
	107	'
02a6552c	108
53f53cff	109	test_expect_success 'missing < email delimiter is reported nicely' '
e3c98120 DI	110	git cat-file commit HEAD >basis &&
	111	sed "s/<//" basis >bad-email-2 &&
	112	new=$(git hash-object -t commit -w --stdin <bad-email-2) &&
	113	test_when_finished "remove_object $new" &&
	114	git update-ref refs/heads/bogus "$new" &&
	115	test_when_finished "git update-ref -d refs/heads/bogus" &&
2e770fe4	116	test_must_fail git fsck 2>out &&
e3c98120 DI	117	cat out &&
	118	grep "error in commit $new.* - bad name" out
	119	'
	120
53f53cff	121	test_expect_success 'missing email is reported nicely' '
e3c98120 DI	122	git cat-file commit HEAD >basis &&
	123	sed "s/[a-z]* <[^>]*>//" basis >bad-email-3 &&
	124	new=$(git hash-object -t commit -w --stdin <bad-email-3) &&
	125	test_when_finished "remove_object $new" &&
	126	git update-ref refs/heads/bogus "$new" &&
	127	test_when_finished "git update-ref -d refs/heads/bogus" &&
2e770fe4	128	test_must_fail git fsck 2>out &&
e3c98120 DI	129	cat out &&
	130	grep "error in commit $new.* - missing email" out
	131	'
	132
53f53cff	133	test_expect_success '> in name is reported' '
e3c98120 DI	134	git cat-file commit HEAD >basis &&
	135	sed "s/ </> </" basis >bad-email-4 &&
	136	new=$(git hash-object -t commit -w --stdin <bad-email-4) &&
	137	test_when_finished "remove_object $new" &&
	138	git update-ref refs/heads/bogus "$new" &&
	139	test_when_finished "git update-ref -d refs/heads/bogus" &&
2e770fe4	140	test_must_fail git fsck 2>out &&
e3c98120 DI	141	cat out &&
	142	grep "error in commit $new" out
	143	'
	144
d4b8de04 JK	145	# date is 2^64 + 1
	146	test_expect_success 'integer overflow in timestamps is reported' '
	147	git cat-file commit HEAD >basis &&
	148	sed "s/^\\(author .>\\) [0-9]/\\1 18446744073709551617/" \
	149	<basis >bad-timestamp &&
	150	new=$(git hash-object -t commit -w --stdin <bad-timestamp) &&
	151	test_when_finished "remove_object $new" &&
	152	git update-ref refs/heads/bogus "$new" &&
	153	test_when_finished "git update-ref -d refs/heads/bogus" &&
2e770fe4	154	test_must_fail git fsck 2>out &&
d4b8de04 JK	155	cat out &&
	156	grep "error in commit $new.*integer overflow" out
	157	'
	158
2e770fe4 JK	159	test_expect_success 'malformatted tree object' '
	160	test_when_finished "git update-ref -d refs/tags/wrong" &&
	161	test_when_finished "remove_object \$T" &&
	162	T=$(
	163	GIT_INDEX_FILE=test-index &&
	164	export GIT_INDEX_FILE &&
	165	rm -f test-index &&
	166	>x &&
	167	git add x &&
	168	T=$(git write-tree) &&
	169	(
	170	git cat-file tree $T &&
	171	git cat-file tree $T
	172	) \|
	173	git hash-object -w -t tree --stdin
	174	) &&
	175	test_must_fail git fsck 2>out &&
	176	grep "error in tree .*contains duplicate file entries" out
	177	'
	178
4551d035	179	test_expect_success 'tag pointing to nonexistent' '
a48fcd83	180	cat >invalid-tag <<-\EOF &&
dbedf8bf JN	181	object ffffffffffffffffffffffffffffffffffffffff
	182	type commit
	183	tag invalid
	184	tagger T A Gger <tagger@example.com> 1234567890 -0000
	185
	186	This is an invalid tag.
	187	EOF
	188
	189	tag=$(git hash-object -t tag -w --stdin <invalid-tag) &&
	190	test_when_finished "remove_object $tag" &&
	191	echo $tag >.git/refs/tags/invalid &&
	192	test_when_finished "git update-ref -d refs/tags/invalid" &&
4551d035	193	test_must_fail git fsck --tags >out &&
02a6552c	194	cat out &&
dbedf8bf	195	grep "broken link" out
02a6552c TR	196	'
02a6552c TR	197
4551d035	198	test_expect_success 'tag pointing to something else than its type' '
dbedf8bf JN	199	sha=$(echo blob \| git hash-object -w --stdin) &&
	200	test_when_finished "remove_object $sha" &&
	201	cat >wrong-tag <<-EOF &&
	202	object $sha
	203	type commit
	204	tag wrong
	205	tagger T A Gger <tagger@example.com> 1234567890 -0000
	206
	207	This is an invalid tag.
	208	EOF
	209
	210	tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
	211	test_when_finished "remove_object $tag" &&
	212	echo $tag >.git/refs/tags/wrong &&
	213	test_when_finished "git update-ref -d refs/tags/wrong" &&
9dad83be	214	test_must_fail git fsck --tags
02a6552c TR	215	'
02a6552c TR	216
90e3e5f0 JS	217	test_expect_success 'tag with incorrect tag name & missing tagger' '
	218	sha=$(git rev-parse HEAD) &&
	219	cat >wrong-tag <<-EOF &&
	220	object $sha
	221	type commit
	222	tag wrong name format
	223
	224	This is an invalid tag.
	225	EOF
	226
	227	tag=$(git hash-object -t tag -w --stdin <wrong-tag) &&
	228	test_when_finished "remove_object $tag" &&
	229	echo $tag >.git/refs/tags/wrong &&
	230	test_when_finished "git update-ref -d refs/tags/wrong" &&
	231	git fsck --tags 2>out &&
7add4419 JK	232
	233	cat >expect <<-EOF &&
	234	warning in tag $tag: invalid '\''tag'\'' name: wrong name format
	235	warning in tag $tag: invalid format - expected '\''tagger'\'' line
	236	EOF
	237	test_cmp expect out
90e3e5f0 JS	238	'
90e3e5f0 JS	239
b659605d JH	240	test_expect_success 'tag with bad tagger' '
	241	sha=$(git rev-parse HEAD) &&
	242	cat >wrong-tag <<-EOF &&
	243	object $sha
	244	type commit
	245	tag not-quite-wrong
	246	tagger Bad Tagger Name
	247
	248	This is an invalid tag.
	249	EOF
	250
	251	tag=$(git hash-object --literally -t tag -w --stdin <wrong-tag) &&
	252	test_when_finished "remove_object $tag" &&
	253	echo $tag >.git/refs/tags/wrong &&
	254	test_when_finished "git update-ref -d refs/tags/wrong" &&
	255	test_must_fail git fsck --tags 2>out &&
	256	grep "error in tag .*: invalid author/committer" out
	257	'
	258
dbedf8bf JN	259	test_expect_success 'cleaned up' '
	260	git fsck >actual 2>&1 &&
	261	test_cmp empty actual
	262	'
02a6552c	263
cb8da705 CB	264	test_expect_success 'rev-list --verify-objects' '
	265	git rev-list --verify-objects --all >/dev/null 2>out &&
	266	test_cmp empty out
	267	'
	268
	269	test_expect_success 'rev-list --verify-objects with bad sha1' '
	270	sha=$(echo blob \| git hash-object -w --stdin) &&
	271	old=$(echo $sha \| sed "s+^..+&/+") &&
	272	new=$(dirname $old)/ffffffffffffffffffffffffffffffffffffff &&
	273	sha="$(dirname $new)$(basename $new)" &&
	274	mv .git/objects/$old .git/objects/$new &&
	275	test_when_finished "remove_object $sha" &&
	276	git update-index --add --cacheinfo 100644 $sha foo &&
	277	test_when_finished "git read-tree -u --reset HEAD" &&
	278	tree=$(git write-tree) &&
	279	test_when_finished "remove_object $tree" &&
	280	cmt=$(echo bogus \| git commit-tree $tree) &&
	281	test_when_finished "remove_object $cmt" &&
	282	git update-ref refs/heads/bogus $cmt &&
	283	test_when_finished "git update-ref -d refs/heads/bogus" &&
	284
	285	test_might_fail git rev-list --verify-objects refs/heads/bogus >/dev/null 2>out &&
	286	cat out &&
	287	grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
	288	'
	289
c479d14a JK	290	_bz='\0'
	291	_bz5="$_bz$_bz$_bz$_bz$_bz"
	292	_bz20="$_bz5$_bz5$_bz5$_bz5"
	293
	294	test_expect_success 'fsck notices blob entry pointing to null sha1' '
	295	(git init null-blob &&
	296	cd null-blob &&
	297	sha=$(printf "100644 file$_bz$_bz20" \|
	298	git hash-object -w --stdin -t tree) &&
	299	git fsck 2>out &&
	300	cat out &&
	301	grep "warning.*null sha1" out
	302	)
	303	'
	304
	305	test_expect_success 'fsck notices submodule entry pointing to null sha1' '
	306	(git init null-commit &&
	307	cd null-commit &&
	308	sha=$(printf "160000 submodule$_bz$_bz20" \|
	309	git hash-object -w --stdin -t tree) &&
	310	git fsck 2>out &&
	311	cat out &&
	312	grep "warning.*null sha1" out
	313	)
	314	'
	315
a18fcc9f	316	while read name path pretty; do
450870cb	317	while read mode type; do
a18fcc9f JK	318	: ${pretty:=$path}
a18fcc9f JK	319	test_expect_success "fsck notices $pretty as $type" '
450870cb JK	320	(
	321	git init $name-$type &&
	322	cd $name-$type &&
	323	echo content >file &&
	324	git add file &&
	325	git commit -m base &&
	326	blob=$(git rev-parse :file) &&
	327	tree=$(git rev-parse HEAD^{tree}) &&
	328	value=$(eval "echo \$$type") &&
	329	printf "$mode $type %s\t%s" "$value" "$path" >bad &&
d08c13b9	330	bad_tree=$(git mktree <bad) &&
450870cb JK	331	git fsck 2>out &&
450870cb JK	332	cat out &&
d08c13b9	333	grep "warning.*tree $bad_tree" out
450870cb JK	334	)'
	335	done <<-\EOF
	336	100644 blob
	337	040000 tree
	338	EOF
a18fcc9f	339	done <<-EOF
450870cb JK	340	dot .
	341	dotdot ..
	342	dotgit .git
76e86fc6	343	dotgit-case .GIT
a18fcc9f	344	dotgit-unicode .gI${u200c}T .gI{u200c}T
d08c13b9 JS	345	dotgit-case2 .Git
	346	git-tilde1 git~1
	347	dotgitdot .git.
	348	dot-backslash-case .\\\\.GIT\\\\foobar
	349	dotgit-case-backslash .git\\\\foobar
450870cb	350	EOF
5c17f512	351
6aaf956b JK	352	test_expect_success 'fsck allows .Ňit' '
	353	(
	354	git init not-dotgit &&
	355	cd not-dotgit &&
	356	echo content >file &&
	357	git add file &&
	358	git commit -m base &&
	359	blob=$(git rev-parse :file) &&
	360	printf "100644 blob $blob\t.\\305\\207it" >tree &&
	361	tree=$(git mktree <tree) &&
	362	git fsck 2>err &&
	363	test_line_count = 0 err
	364	)
	365	'
	366
30d1038d JK	367	# create a static test repo which is broken by omitting
	368	# one particular object ($1, which is looked up via rev-parse
	369	# in the new repository).
	370	create_repo_missing () {
	371	rm -rf missing &&
	372	git init missing &&
	373	(
	374	cd missing &&
	375	git commit -m one --allow-empty &&
	376	mkdir subdir &&
	377	echo content >subdir/file &&
	378	git add subdir/file &&
	379	git commit -m two &&
	380	unrelated=$(echo unrelated \| git hash-object --stdin -w) &&
	381	git tag -m foo tag $unrelated &&
	382	sha1=$(git rev-parse --verify "$1") &&
	383	path=$(echo $sha1 \| sed 's\|..\|&/\|') &&
	384	rm .git/objects/$path
	385	)
	386	}
	387
	388	test_expect_success 'fsck notices missing blob' '
	389	create_repo_missing HEAD:subdir/file &&
	390	test_must_fail git -C missing fsck
	391	'
	392
	393	test_expect_success 'fsck notices missing subtree' '
	394	create_repo_missing HEAD:subdir &&
	395	test_must_fail git -C missing fsck
	396	'
	397
	398	test_expect_success 'fsck notices missing root tree' '
	399	create_repo_missing HEAD^{tree} &&
	400	test_must_fail git -C missing fsck
	401	'
	402
	403	test_expect_success 'fsck notices missing parent' '
	404	create_repo_missing HEAD^ &&
	405	test_must_fail git -C missing fsck
	406	'
	407
	408	test_expect_success 'fsck notices missing tagged object' '
	409	create_repo_missing tag^{blob} &&
	410	test_must_fail git -C missing fsck
	411	'
	412
	413	test_expect_success 'fsck notices ref pointing to missing commit' '
	414	create_repo_missing HEAD &&
	415	test_must_fail git -C missing fsck
	416	'
	417
	418	test_expect_success 'fsck notices ref pointing to missing tag' '
	419	create_repo_missing tag &&
	420	test_must_fail git -C missing fsck
	421	'
	422
469e2ebf	423	test_done