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#!/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
'
test_done
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