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revert(3p/git): Revert merge of git upstream at v2.26.2

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This causes cgit to serve error pages, which is undesirable.

This reverts commit 5229c9b232, reversing
changes made to f2b211131f.
This commit is contained in:
Vincent Ambo 2020-05-26 00:06:52 +01:00
parent 6f8fbf4aa4
commit 93ba78d6f4
1006 changed files with 60537 additions and 148724 deletions
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32
third_party/git/pack-check.c vendored
View file

@ -8,6 +8,10 @@
struct idx_entry {
off_t offset;
union idx_entry_object {
const unsigned char *hash;
struct object_id *oid;
} oid;
unsigned int nr;
};
@ -63,23 +67,23 @@ static int verify_packfile(struct repository *r,
if (!is_pack_valid(p))
return error("packfile %s cannot be accessed", p->pack_name);
r->hash_algo->init_fn(&ctx);
the_hash_algo->init_fn(&ctx);
do {
unsigned long remaining;
unsigned char *in = use_pack(p, w_curs, offset, &remaining);
offset += remaining;
if (!pack_sig_ofs)
pack_sig_ofs = p->pack_size - r->hash_algo->rawsz;
pack_sig_ofs = p->pack_size - the_hash_algo->rawsz;
if (offset > pack_sig_ofs)
remaining -= (unsigned int)(offset - pack_sig_ofs);
r->hash_algo->update_fn(&ctx, in, remaining);
the_hash_algo->update_fn(&ctx, in, remaining);
} while (offset < pack_sig_ofs);
r->hash_algo->final_fn(hash, &ctx);
the_hash_algo->final_fn(hash, &ctx);
pack_sig = use_pack(p, w_curs, pack_sig_ofs, NULL);
if (!hasheq(hash, pack_sig))
err = error("%s pack checksum mismatch",
p->pack_name);
if (!hasheq(index_base + index_size - r->hash_algo->hexsz, pack_sig))
if (!hasheq(index_base + index_size - the_hash_algo->hexsz, pack_sig))
err = error("%s pack checksum does not match its index",
p->pack_name);
unuse_pack(w_curs);
@ -93,6 +97,9 @@ static int verify_packfile(struct repository *r,
entries[nr_objects].offset = pack_sig_ofs;
/* first sort entries by pack offset, since unpacking them is more efficient that way */
for (i = 0; i < nr_objects; i++) {
entries[i].oid.hash = nth_packed_object_sha1(p, i);
if (!entries[i].oid.hash)
die("internal error pack-check nth-packed-object");
entries[i].offset = nth_packed_object_offset(p, i);
entries[i].nr = i;
}
@ -100,16 +107,11 @@ static int verify_packfile(struct repository *r,
for (i = 0; i < nr_objects; i++) {
void *data;
struct object_id oid;
enum object_type type;
unsigned long size;
off_t curpos;
int data_valid;
if (nth_packed_object_id(&oid, p, entries[i].nr) < 0)
BUG("unable to get oid of object %lu from %s",
(unsigned long)entries[i].nr, p->pack_name);
if (p->index_version > 1) {
off_t offset = entries[i].offset;
off_t len = entries[i+1].offset - offset;
@ -117,7 +119,7 @@ static int verify_packfile(struct repository *r,
if (check_pack_crc(p, w_curs, offset, len, nr))
err = error("index CRC mismatch for object %s "
"from %s at offset %"PRIuMAX"",
oid_to_hex(&oid),
oid_to_hex(entries[i].oid.oid),
p->pack_name, (uintmax_t)offset);
}
@ -140,14 +142,14 @@ static int verify_packfile(struct repository *r,
if (data_valid && !data)
err = error("cannot unpack %s from %s at offset %"PRIuMAX"",
oid_to_hex(&oid), p->pack_name,
oid_to_hex(entries[i].oid.oid), p->pack_name,
(uintmax_t)entries[i].offset);
else if (check_object_signature(r, &oid, data, size, type_name(type)))
else if (check_object_signature(entries[i].oid.oid, data, size, type_name(type)))
err = error("packed %s from %s is corrupt",
oid_to_hex(&oid), p->pack_name);
oid_to_hex(entries[i].oid.oid), p->pack_name);
else if (fn) {
int eaten = 0;
err |= fn(&oid, type, size, data, &eaten);
err |= fn(entries[i].oid.oid, type, size, data, &eaten);
if (eaten)
data = NULL;
}