mirror of
https://github.com/git/git.git
synced 2024-11-18 06:54:55 +01:00
3b753148b6
We do not want a link to 0{40} object stored anywhere in our objects.
* jk/maint-null-in-trees:
fsck: detect null sha1 in tree entries
do not write null sha1s to on-disk index
diff: do not use null sha1 as a sentinel value
242 lines
6.9 KiB
Bash
Executable file
242 lines
6.9 KiB
Bash
Executable file
#!/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 $cmt &&
|
|
test_when_finished "git update-ref -d refs/heads/bogus" &&
|
|
|
|
test_might_fail git fsck 2>out &&
|
|
cat out &&
|
|
grep "$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" &&
|
|
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" &&
|
|
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" &&
|
|
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" &&
|
|
git fsck 2>out &&
|
|
cat out &&
|
|
grep "error in commit $new" out
|
|
'
|
|
|
|
test_expect_success 'tag pointing to nonexistent' '
|
|
cat >invalid-tag <<-\EOF &&
|
|
object ffffffffffffffffffffffffffffffffffffffff
|
|
type commit
|
|
tag invalid
|
|
tagger T A Gger <tagger@example.com> 1234567890 -0000
|
|
|
|
This is an invalid tag.
|
|
EOF
|
|
|
|
tag=$(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 $tag >.git/refs/tags/wrong &&
|
|
test_when_finished "git update-ref -d refs/tags/wrong" &&
|
|
test_must_fail git fsck --tags 2>out &&
|
|
cat out &&
|
|
grep "error in tag.*broken links" out
|
|
'
|
|
|
|
test_expect_success 'cleaned up' '
|
|
git fsck >actual 2>&1 &&
|
|
test_cmp empty actual
|
|
'
|
|
|
|
test_expect_success 'rev-list --verify-objects' '
|
|
git rev-list --verify-objects --all >/dev/null 2>out &&
|
|
test_cmp empty out
|
|
'
|
|
|
|
test_expect_success 'rev-list --verify-objects with bad sha1' '
|
|
sha=$(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
|
|
)
|
|
'
|
|
|
|
test_done
|