static int resolve_deltas(git_indexer *idx, git_transfer_progress *stats)
{
unsigned int i;
struct delta_info *delta;
int progressed = 0, non_null = 0, progress_cb_result;
while (idx->deltas.length > 0) {
progressed = 0;
non_null = 0;
git_vector_foreach(&idx->deltas, i, delta, delta_info*) {
git_rawobj obj;
if (!delta)
continue;
non_null = 1;
idx->off = delta->delta_off;
if (git_packfile_unpack(&obj, idx->pack, &idx->off) < 0)
continue;
if (hash_and_save(idx, &obj, delta->delta_off) < 0)
continue;
git__free(obj.data);
stats->indexed_objects++;
stats->indexed_deltas++;
progressed = 1;
if ((progress_cb_result = do_progress_callback(idx, stats)) < 0)
return progress_cb_result;
/* remove from the list */
git_vector_set(NULL, &idx->deltas, i, NULL);
git__free(delta);
}
/* if none were actually set, we're done */
if (!non_null)
break;
if (!progressed && (fix_thin_pack(idx, stats) < 0)) {
return -1;
}
}
return 0;
}
int pack_backend__read(void **buffer_p, size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid)
{
struct git_pack_entry e;
git_rawobj raw;
int error;
if ((error = pack_entry_find(&e, (struct pack_backend *)backend, oid)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to read pack backend");
if ((error = git_packfile_unpack(&raw, e.p, &e.offset)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to read pack backend");
*buffer_p = raw.data;
*len_p = raw.len;
*type_p = raw.type;
return GIT_SUCCESS;
}
static int pack_backend__read_internal(
void **buffer_p, size_t *len_p, git_otype *type_p,
git_odb_backend *backend, const git_oid *oid)
{
struct git_pack_entry e;
git_rawobj raw;
int error;
if ((error = pack_entry_find(&e, (struct pack_backend *)backend, oid)) < 0 ||
(error = git_packfile_unpack(&raw, e.p, &e.offset)) < 0)
return error;
*buffer_p = raw.data;
*len_p = raw.len;
*type_p = raw.type;
return 0;
}
int pack_backend__read_prefix(
git_oid *out_oid,
void **buffer_p,
size_t *len_p,
git_otype *type_p,
git_odb_backend *backend,
const git_oid *short_oid,
unsigned int len)
{
if (len < GIT_OID_MINPREFIXLEN)
return git__throw(GIT_EAMBIGUOUSOIDPREFIX, "Failed to read pack backend. Prefix length is lower than %d.", GIT_OID_MINPREFIXLEN);
if (len >= GIT_OID_HEXSZ) {
/* We can fall back to regular read method */
int error = pack_backend__read(buffer_p, len_p, type_p, backend, short_oid);
if (error == GIT_SUCCESS)
git_oid_cpy(out_oid, short_oid);
return error;
} else {
struct git_pack_entry e;
git_rawobj raw;
int error;
if ((error = pack_entry_find_prefix(&e, (struct pack_backend *)backend, short_oid, len)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to read pack backend");
if ((error = git_packfile_unpack(&raw, e.p, &e.offset)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to read pack backend");
*buffer_p = raw.data;
*len_p = raw.len;
*type_p = raw.type;
git_oid_cpy(out_oid, &e.sha1);
}
return GIT_SUCCESS;
}
static int pack_backend__read_prefix_internal(
git_oid *out_oid,
void **buffer_p,
size_t *len_p,
git_otype *type_p,
git_odb_backend *backend,
const git_oid *short_oid,
size_t len)
{
int error = 0;
if (len < GIT_OID_MINPREFIXLEN)
error = git_odb__error_ambiguous("prefix length too short");
else if (len >= GIT_OID_HEXSZ) {
/* We can fall back to regular read method */
error = pack_backend__read(buffer_p, len_p, type_p, backend, short_oid);
if (!error)
git_oid_cpy(out_oid, short_oid);
} else {
struct git_pack_entry e;
git_rawobj raw;
if ((error = pack_entry_find_prefix(
&e, (struct pack_backend *)backend, short_oid, len)) == 0 &&
(error = git_packfile_unpack(&raw, e.p, &e.offset)) == 0)
{
*buffer_p = raw.data;
*len_p = raw.len;
*type_p = raw.type;
git_oid_cpy(out_oid, &e.sha1);
}
}
return error;
}
