static int check_packed_git_idx(const char *path, struct packed_git *p)
{
void *idx_map;
- struct pack_idx_header *hdr;
size_t idx_size;
- uint32_t version, nr, i, *index;
- int fd = git_open(path);
+ int fd = git_open(path), ret;
struct stat st;
const unsigned int hashsz = the_hash_algo->rawsz;
idx_map = xmmap(NULL, idx_size, PROT_READ, MAP_PRIVATE, fd, 0);
close(fd);
- hdr = idx_map;
+ ret = load_idx(path, hashsz, idx_map, idx_size, p);
+
+ if (ret)
+ munmap(idx_map, idx_size);
+
+ return ret;
+}
+
+int load_idx(const char *path, const unsigned int hashsz, void *idx_map,
+ size_t idx_size, struct packed_git *p)
+{
+ struct pack_idx_header *hdr = idx_map;
+ uint32_t version, nr, i, *index;
+
+ if (idx_size < 4 * 256 + hashsz + hashsz)
+ return error("index file %s is too small", path);
+ if (idx_map == NULL)
+ return error("empty data");
+
if (hdr->idx_signature == htonl(PACK_IDX_SIGNATURE)) {
version = ntohl(hdr->idx_version);
- if (version < 2 || version > 2) {
- munmap(idx_map, idx_size);
+ if (version < 2 || version > 2)
return error("index file %s is version %"PRIu32
" and is not supported by this binary"
" (try upgrading GIT to a newer version)",
path, version);
- }
} else
version = 1;
index += 2; /* skip index header */
for (i = 0; i < 256; i++) {
uint32_t n = ntohl(index[i]);
- if (n < nr) {
- munmap(idx_map, idx_size);
+ if (n < nr)
return error("non-monotonic index %s", path);
- }
nr = n;
}
* - hash of the packfile
* - file checksum
*/
- if (idx_size != 4*256 + nr * (hashsz + 4) + hashsz + hashsz) {
- munmap(idx_map, idx_size);
+ if (idx_size != 4 * 256 + nr * (hashsz + 4) + hashsz + hashsz)
return error("wrong index v1 file size in %s", path);
- }
} else if (version == 2) {
/*
* Minimum size:
unsigned long max_size = min_size;
if (nr)
max_size += (nr - 1)*8;
- if (idx_size < min_size || idx_size > max_size) {
- munmap(idx_map, idx_size);
+ if (idx_size < min_size || idx_size > max_size)
return error("wrong index v2 file size in %s", path);
- }
if (idx_size != min_size &&
/*
* make sure we can deal with large pack offsets.
* 31-bit signed offset won't be enough, neither
* 32-bit unsigned one will be.
*/
- (sizeof(off_t) <= 4)) {
- munmap(idx_map, idx_size);
+ (sizeof(off_t) <= 4))
return error("pack too large for current definition of off_t in %s", path);
- }
}
p->index_version = version;
BUG("want to close pack marked 'do-not-close'");
else
close_pack(p);
+
+ if (o->multi_pack_index) {
+ close_midx(o->multi_pack_index);
+ o->multi_pack_index = NULL;
+ }
}
/*
static void prepare_packed_git(struct repository *r)
{
- struct alternate_object_database *alt;
+ struct object_directory *odb;
if (r->objects->packed_git_initialized)
return;
- prepare_multi_pack_index_one(r, r->objects->objectdir, 1);
- prepare_packed_git_one(r, r->objects->objectdir, 1);
+
prepare_alt_odb(r);
- for (alt = r->objects->alt_odb_list; alt; alt = alt->next) {
- prepare_multi_pack_index_one(r, alt->path, 0);
- prepare_packed_git_one(r, alt->path, 0);
+ for (odb = r->objects->odb; odb; odb = odb->next) {
+ int local = (odb == r->objects->odb);
+ prepare_multi_pack_index_one(r, odb->path, local);
+ prepare_packed_git_one(r, odb->path, local);
}
rearrange_packed_git(r);
void reprepare_packed_git(struct repository *r)
{
+ struct object_directory *odb;
+
+ for (odb = r->objects->odb; odb; odb = odb->next)
+ odb_clear_loose_cache(odb);
+
r->objects->approximate_object_count_valid = 0;
r->objects->packed_git_initialized = 0;
prepare_packed_git(r);
void mark_bad_packed_object(struct packed_git *p, const unsigned char *sha1)
{
unsigned i;
+ const unsigned hashsz = the_hash_algo->rawsz;
for (i = 0; i < p->num_bad_objects; i++)
- if (hasheq(sha1, p->bad_object_sha1 + GIT_SHA1_RAWSZ * i))
+ if (hasheq(sha1, p->bad_object_sha1 + hashsz * i))
return;
p->bad_object_sha1 = xrealloc(p->bad_object_sha1,
st_mult(GIT_MAX_RAWSZ,
st_add(p->num_bad_objects, 1)));
- hashcpy(p->bad_object_sha1 + GIT_SHA1_RAWSZ * p->num_bad_objects, sha1);
+ hashcpy(p->bad_object_sha1 + hashsz * p->num_bad_objects, sha1);
p->num_bad_objects++;
}
-const struct packed_git *has_packed_and_bad(const unsigned char *sha1)
+const struct packed_git *has_packed_and_bad(struct repository *r,
+ const unsigned char *sha1)
{
struct packed_git *p;
unsigned i;
- for (p = the_repository->objects->packed_git; p; p = p->next)
+ for (p = r->objects->packed_git; p; p = p->next)
for (i = 0; i < p->num_bad_objects; i++)
if (hasheq(sha1,
p->bad_object_sha1 + the_hash_algo->rawsz * i))
*/
return 0;
while (tree_entry_gently(&desc, &entry))
- oidset_insert(set, entry.oid);
+ oidset_insert(set, &entry.oid);
} else if (obj->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *) obj;
struct commit_list *parents = commit->parents;