oid_to_hex(&DELTA(entry)->idx.oid));
delta_buf = diff_delta(base_buf, base_size,
buf, size, &delta_size, 0);
+ /*
+ * We succesfully computed this delta once but dropped it for
+ * memory reasons. Something is very wrong if this time we
+ * recompute and create a different delta.
+ */
if (!delta_buf || delta_size != DELTA_SIZE(entry))
- die("delta size changed");
+ BUG("delta size changed");
free(buf);
free(base_buf);
return delta_buf;
enum object_type type;
void *buf;
struct git_istream *st = NULL;
+ const unsigned hashsz = the_hash_algo->rawsz;
if (!usable_delta) {
if (oe_type(entry) == OBJ_BLOB &&
dheader[pos] = ofs & 127;
while (ofs >>= 7)
dheader[--pos] = 128 | (--ofs & 127);
- if (limit && hdrlen + sizeof(dheader) - pos + datalen + 20 >= limit) {
+ if (limit && hdrlen + sizeof(dheader) - pos + datalen + hashsz >= limit) {
if (st)
close_istream(st);
free(buf);
} else if (type == OBJ_REF_DELTA) {
/*
* Deltas with a base reference contain
- * an additional 20 bytes for the base sha1.
+ * additional bytes for the base object ID.
*/
- if (limit && hdrlen + 20 + datalen + 20 >= limit) {
+ if (limit && hdrlen + hashsz + datalen + hashsz >= limit) {
if (st)
close_istream(st);
free(buf);
return 0;
}
hashwrite(f, header, hdrlen);
- hashwrite(f, DELTA(entry)->idx.oid.hash, 20);
- hdrlen += 20;
+ hashwrite(f, DELTA(entry)->idx.oid.hash, hashsz);
+ hdrlen += hashsz;
} else {
- if (limit && hdrlen + datalen + 20 >= limit) {
+ if (limit && hdrlen + datalen + hashsz >= limit) {
if (st)
close_istream(st);
free(buf);
unsigned char header[MAX_PACK_OBJECT_HEADER],
dheader[MAX_PACK_OBJECT_HEADER];
unsigned hdrlen;
+ const unsigned hashsz = the_hash_algo->rawsz;
unsigned long entry_size = SIZE(entry);
if (DELTA(entry))
dheader[pos] = ofs & 127;
while (ofs >>= 7)
dheader[--pos] = 128 | (--ofs & 127);
- if (limit && hdrlen + sizeof(dheader) - pos + datalen + 20 >= limit) {
+ if (limit && hdrlen + sizeof(dheader) - pos + datalen + hashsz >= limit) {
unuse_pack(&w_curs);
return 0;
}
hdrlen += sizeof(dheader) - pos;
reused_delta++;
} else if (type == OBJ_REF_DELTA) {
- if (limit && hdrlen + 20 + datalen + 20 >= limit) {
+ if (limit && hdrlen + hashsz + datalen + hashsz >= limit) {
unuse_pack(&w_curs);
return 0;
}
hashwrite(f, header, hdrlen);
- hashwrite(f, DELTA(entry)->idx.oid.hash, 20);
- hdrlen += 20;
+ hashwrite(f, DELTA(entry)->idx.oid.hash, hashsz);
+ hdrlen += hashsz;
reused_delta++;
} else {
- if (limit && hdrlen + datalen + 20 >= limit) {
+ if (limit && hdrlen + datalen + hashsz >= limit) {
unuse_pack(&w_curs);
return 0;
}
die_errno("unable to seek in reused packfile");
if (reuse_packfile_offset < 0)
- reuse_packfile_offset = reuse_packfile->pack_size - 20;
+ reuse_packfile_offset = reuse_packfile->pack_size - the_hash_algo->rawsz;
total = to_write = reuse_packfile_offset - sizeof(struct pack_header);
int want;
struct list_head *pos;
- if (!exclude && local && has_loose_object_nonlocal(oid->hash))
+ if (!exclude && local && has_loose_object_nonlocal(oid))
return 0;
/*
if (reuse_delta && !entry->preferred_base)
base_ref = use_pack(p, &w_curs,
entry->in_pack_offset + used, NULL);
- entry->in_pack_header_size = used + 20;
+ entry->in_pack_header_size = used + the_hash_algo->rawsz;
break;
case OBJ_OFS_DELTA:
buf = use_pack(p, &w_curs,
* is a bug.
*/
if (cur->dfs_state != DFS_NONE)
- die("BUG: confusing delta dfs state in first pass: %d",
+ BUG("confusing delta dfs state in first pass: %d",
cur->dfs_state);
/*
if (cur->dfs_state == DFS_DONE)
break;
else if (cur->dfs_state != DFS_ACTIVE)
- die("BUG: confusing delta dfs state in second pass: %d",
+ BUG("confusing delta dfs state in second pass: %d",
cur->dfs_state);
/*
/* Now some size filtering heuristics. */
trg_size = SIZE(trg_entry);
if (!DELTA(trg_entry)) {
- max_size = trg_size/2 - 20;
+ max_size = trg_size/2 - the_hash_algo->rawsz;
ref_depth = 1;
} else {
max_size = DELTA_SIZE(trg_entry);
return;
}
if (progress > pack_to_stdout)
- fprintf(stderr, "Delta compression using up to %d threads.\n",
- delta_search_threads);
+ fprintf_ln(stderr, "Delta compression using up to %d threads",
+ delta_search_threads);
p = xcalloc(delta_search_threads, sizeof(*p));
/* Partition the work amongst work threads. */
if (feof(stdin))
break;
if (!ferror(stdin))
- die("fgets returned NULL, not EOF, not error!");
+ die("BUG: fgets returned NULL, not EOF, not error!");
if (errno != EINTR)
die_errno("fgets");
clearerr(stdin);
N_("do not create an empty pack output")),
OPT_BOOL(0, "revs", &use_internal_rev_list,
N_("read revision arguments from standard input")),
- { OPTION_SET_INT, 0, "unpacked", &rev_list_unpacked, NULL,
- N_("limit the objects to those that are not yet packed"),
- PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
- { OPTION_SET_INT, 0, "all", &rev_list_all, NULL,
- N_("include objects reachable from any reference"),
- PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
- { OPTION_SET_INT, 0, "reflog", &rev_list_reflog, NULL,
- N_("include objects referred by reflog entries"),
- PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
- { OPTION_SET_INT, 0, "indexed-objects", &rev_list_index, NULL,
- N_("include objects referred to by the index"),
- PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
+ OPT_SET_INT_F(0, "unpacked", &rev_list_unpacked,
+ N_("limit the objects to those that are not yet packed"),
+ 1, PARSE_OPT_NONEG),
+ OPT_SET_INT_F(0, "all", &rev_list_all,
+ N_("include objects reachable from any reference"),
+ 1, PARSE_OPT_NONEG),
+ OPT_SET_INT_F(0, "reflog", &rev_list_reflog,
+ N_("include objects referred by reflog entries"),
+ 1, PARSE_OPT_NONEG),
+ OPT_SET_INT_F(0, "indexed-objects", &rev_list_index,
+ N_("include objects referred to by the index"),
+ 1, PARSE_OPT_NONEG),
OPT_BOOL(0, "stdout", &pack_to_stdout,
N_("output pack to stdout")),
OPT_BOOL(0, "include-tag", &include_tag,
fetch_if_missing = 0;
argv_array_push(&rp, "--exclude-promisor-objects");
}
+ if (unpack_unreachable || keep_unreachable || pack_loose_unreachable)
+ use_internal_rev_list = 1;
if (!reuse_object)
reuse_delta = 0;
if (!pack_to_stdout && !pack_size_limit)
pack_size_limit = pack_size_limit_cfg;
if (pack_to_stdout && pack_size_limit)
- die("--max-pack-size cannot be used to build a pack for transfer.");
+ die("--max-pack-size cannot be used to build a pack for transfer");
if (pack_size_limit && pack_size_limit < 1024*1024) {
warning("minimum pack size limit is 1 MiB");
pack_size_limit = 1024*1024;
die("--thin cannot be used to build an indexable pack.");
if (keep_unreachable && unpack_unreachable)
- die("--keep-unreachable and --unpack-unreachable are incompatible.");
+ die("--keep-unreachable and --unpack-unreachable are incompatible");
if (!rev_list_all || !rev_list_reflog || !rev_list_index)
unpack_unreachable_expiration = 0;
if (filter_options.choice) {
if (!pack_to_stdout)
- die("cannot use --filter without --stdout.");
+ die("cannot use --filter without --stdout");
use_bitmap_index = 0;
}
prepare_pack(window, depth);
write_pack_file();
if (progress)
- fprintf(stderr, "Total %"PRIu32" (delta %"PRIu32"),"
- " reused %"PRIu32" (delta %"PRIu32")\n",
- written, written_delta, reused, reused_delta);
+ fprintf_ln(stderr, "Total %"PRIu32" (delta %"PRIu32"),"
+ " reused %"PRIu32" (delta %"PRIu32")",
+ written, written_delta, reused, reused_delta);
return 0;
}