test_i18ngrep ! "fatal: empty filename in tree entry" out
'
+hex2oct() {
+ perl -ne 'printf "\\%03o", hex for /../g'
+}
+
+test_expect_success 'tree entry with type mismatch' '
+ test_when_finished "remove_object \$blob" &&
+ test_when_finished "remove_object \$tree" &&
+ test_when_finished "remove_object \$commit" &&
+ test_when_finished "git update-ref -d refs/heads/type_mismatch" &&
+ blob=$(echo blob | git hash-object -w --stdin) &&
+ blob_bin=$(echo $blob | hex2oct) &&
+ tree=$(
+ printf "40000 dir\0${blob_bin}100644 file\0${blob_bin}" |
+ git hash-object -t tree --stdin -w --literally
+ ) &&
+ commit=$(git commit-tree $tree) &&
+ git update-ref refs/heads/type_mismatch $commit &&
+ test_must_fail git fsck >out 2>&1 &&
+ test_i18ngrep "is a blob, not a tree" out &&
+ test_i18ngrep ! "dangling blob" out
+'
+
test_expect_success 'tag pointing to nonexistent' '
cat >invalid-tag <<-\EOF &&
object ffffffffffffffffffffffffffffffffffffffff
! grep corrupt out
'
+test_expect_success 'fsck fails on corrupt packfile' '
+ hsh=$(git commit-tree -m mycommit HEAD^{tree}) &&
+ pack=$(echo $hsh | git pack-objects .git/objects/pack/pack) &&
+
+ # Corrupt the first byte of the first object. (It contains 3 type bits,
+ # at least one of which is not zero, so setting the first byte to 0 is
+ # sufficient.)
+ chmod a+w .git/objects/pack/pack-$pack.pack &&
+ printf '\0' | dd of=.git/objects/pack/pack-$pack.pack bs=1 conv=notrunc seek=12 &&
+
+ test_when_finished "rm -f .git/objects/pack/pack-$pack.*" &&
+ remove_object $hsh &&
+ test_must_fail git fsck 2>out &&
+ test_i18ngrep "checksum mismatch" out
+'
+
test_expect_success 'fsck finds problems in duplicate loose objects' '
rm -rf broken-duplicate &&
git init broken-duplicate &&