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unpack-objects: call fsck_finish() after fscking objects

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As with the previous commit, we must call fsck's "finish"
function in order to catch any queued objects for
.gitmodules checks.

This second pass will be able to access any incoming
objects, because we will have exploded them to loose objects
by now.

This isn't quite ideal, because it means that bad objects
may have been written to the object database (and a
subsequent operation could then reference them, even if the
other side doesn't send the objects again). However, this is
sufficient when used with receive.fsckObjects, since those
loose objects will all be placed in a temporary quarantine
area that will get wiped if we find any problems.

Signed-off-by: Jeff King <peff@peff.net>
This commit is contained in:
Jeff King 2018-05-04 19:40:08 -04:00
parent 1995b5e03e
commit 6e328d6cae
2 changed files with 11 additions and 1 deletions
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5
builtin/unpack-objects.c
View File

@ -572,8 +572,11 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix)
unpack_all();
the_hash_algo->update_fn(&ctx, buffer, offset);
the_hash_algo->final_fn(oid.hash, &ctx);
if (strict)
if (strict) {
write_rest();
if (fsck_finish(&fsck_options))
die(_("fsck error in pack objects"));
}
if (hashcmp(fill(the_hash_algo->rawsz), oid.hash))
die("final sha1 did not match");
use(the_hash_algo->rawsz);

7
t/t7415-submodule-names.sh
View File

@ -77,4 +77,11 @@ test_expect_success 'fsck detects evil superproject' '
test_must_fail git fsck
'
test_expect_success 'transfer.fsckObjects detects evil superproject (unpack)' '
rm -rf dst.git &&
git init --bare dst.git &&
git -C dst.git config transfer.fsckObjects true &&
test_must_fail git push dst.git HEAD
'
test_done