X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=builtin-pack-objects.c;h=971388276a66090bb2bb12475e9e714b54bf4898;hb=41b200179dfac7bf4c3b98270951937b537e2b24;hp=807be8c3f8a051d9171cf2ee3c9f973f77a2ff08;hpb=27e4dd8de76bdd60c88003e0f27cee8ad26c5cd6;p=thirdparty%2Fgit.git diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index 807be8c3f8..971388276a 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -17,7 +17,7 @@ static const char pack_usage[] = "\ git-pack-objects [{ -q | --progress | --all-progress }] \n\ [--local] [--incremental] [--window=N] [--depth=N] \n\ [--no-reuse-delta] [--delta-base-offset] [--non-empty] \n\ - [--revs [--unpacked | --all]*] [--stdout | base-name] \n\ + [--revs [--unpacked | --all]*] [--reflog] [--stdout | base-name] \n\ [ len) + avail = len; + sha1write(f, in, avail); + offset += avail; + len -= avail; + } +} + +static int check_loose_inflate(unsigned char *data, unsigned long len, unsigned long expect) { z_stream stream; unsigned char fakebuf[4096]; @@ -323,7 +368,7 @@ static int revalidate_loose_object(struct object_entry *entry, return -1; map += used; mapsize -= used; - return check_inflate(map, mapsize, size); + return check_loose_inflate(map, mapsize, size); } static unsigned long write_object(struct sha1file *f, @@ -416,6 +461,8 @@ static unsigned long write_object(struct sha1file *f, } else { struct packed_git *p = entry->in_pack; + struct pack_window *w_curs = NULL; + unsigned long offset; if (entry->delta) { obj_type = (allow_ofs_delta && entry->delta->offset) ? @@ -437,16 +484,14 @@ static unsigned long write_object(struct sha1file *f, hdrlen += 20; } - use_packed_git(p); - buf = (char *) p->pack_base - + entry->in_pack_offset - + entry->in_pack_header_size; + offset = entry->in_pack_offset + entry->in_pack_header_size; datalen = find_packed_object_size(p, entry->in_pack_offset) - entry->in_pack_header_size; - if (!pack_to_stdout && check_inflate(buf, datalen, entry->size)) + if (!pack_to_stdout && check_pack_inflate(p, &w_curs, + offset, datalen, entry->size)) die("corrupt delta in pack %s", sha1_to_hex(entry->sha1)); - sha1write(f, buf, datalen); - unuse_packed_git(p); + copy_pack_data(f, p, &w_curs, offset, datalen); + unuse_pack(&w_curs); reused++; } if (entry->delta) @@ -524,7 +569,7 @@ static void write_index_file(void) sha1_to_hex(object_list_sha1), "idx"); struct object_entry **list = sorted_by_sha; struct object_entry **last = list + nr_result; - unsigned int array[256]; + uint32_t array[256]; /* * Write the first-level table (the list is sorted, @@ -542,7 +587,7 @@ static void write_index_file(void) array[i] = htonl(next - sorted_by_sha); list = next; } - sha1write(f, array, 256 * sizeof(int)); + sha1write(f, array, 256 * 4); /* * Write the actual SHA1 entries.. @@ -550,7 +595,7 @@ static void write_index_file(void) list = sorted_by_sha; for (i = 0; i < nr_result; i++) { struct object_entry *entry = *list++; - unsigned int offset = htonl(entry->offset); + uint32_t offset = htonl(entry->offset); sha1write(f, &offset, 4); sha1write(f, entry->sha1, 20); } @@ -937,22 +982,19 @@ static void check_object(struct object_entry *entry) if (entry->in_pack && !entry->preferred_base) { struct packed_git *p = entry->in_pack; + struct pack_window *w_curs = NULL; unsigned long left = p->pack_size - entry->in_pack_offset; unsigned long size, used; unsigned char *buf; struct object_entry *base_entry = NULL; - use_packed_git(p); - buf = p->pack_base; - buf += entry->in_pack_offset; + buf = use_pack(p, &w_curs, entry->in_pack_offset, NULL); /* We want in_pack_type even if we do not reuse delta. * There is no point not reusing non-delta representations. */ used = unpack_object_header_gently(buf, left, &entry->in_pack_type, &size); - if (!used || left - used <= 20) - die("corrupt pack for %s", sha1_to_hex(entry->sha1)); /* Check if it is delta, and the base is also an object * we are going to pack. If so we will reuse the existing @@ -961,21 +1003,26 @@ static void check_object(struct object_entry *entry) if (!no_reuse_delta) { unsigned char c, *base_name; unsigned long ofs; + unsigned long used_0; /* there is at least 20 bytes left in the pack */ switch (entry->in_pack_type) { case OBJ_REF_DELTA: - base_name = buf + used; + base_name = use_pack(p, &w_curs, + entry->in_pack_offset + used, NULL); used += 20; break; case OBJ_OFS_DELTA: - c = buf[used++]; + buf = use_pack(p, &w_curs, + entry->in_pack_offset + used, NULL); + used_0 = 0; + c = buf[used_0++]; ofs = c & 127; while (c & 128) { ofs += 1; if (!ofs || ofs & ~(~0UL >> 7)) die("delta base offset overflow in pack for %s", sha1_to_hex(entry->sha1)); - c = buf[used++]; + c = buf[used_0++]; ofs = (ofs << 7) + (c & 127); } if (ofs >= entry->in_pack_offset) @@ -983,6 +1030,7 @@ static void check_object(struct object_entry *entry) sha1_to_hex(entry->sha1)); ofs = entry->in_pack_offset - ofs; base_name = find_packed_object_name(p, ofs); + used += used_0; break; default: base_name = NULL; @@ -990,7 +1038,7 @@ static void check_object(struct object_entry *entry) if (base_name) base_entry = locate_object_entry(base_name); } - unuse_packed_git(p); + unuse_pack(&w_curs); entry->in_pack_header_size = used; if (base_entry) { @@ -1503,9 +1551,12 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) int use_internal_rev_list = 0; int thin = 0; int i; - const char *rp_av[64]; + const char **rp_av; + int rp_ac_alloc = 64; int rp_ac; + rp_av = xcalloc(rp_ac_alloc, sizeof(*rp_av)); + rp_av[0] = "pack-objects"; rp_av[1] = "--objects"; /* --thin will make it --objects-edge */ rp_ac = 2; @@ -1575,10 +1626,14 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix) } if (!strcmp("--unpacked", arg) || !strncmp("--unpacked=", arg, 11) || + !strcmp("--reflog", arg) || !strcmp("--all", arg)) { use_internal_rev_list = 1; - if (ARRAY_SIZE(rp_av) - 1 <= rp_ac) - die("too many internal rev-list options"); + if (rp_ac >= rp_ac_alloc - 1) { + rp_ac_alloc = alloc_nr(rp_ac_alloc); + rp_av = xrealloc(rp_av, + rp_ac_alloc * sizeof(*rp_av)); + } rp_av[rp_ac++] = arg; continue; }