+ if (!commit->date)
+ printf("bad commit date in %s\n", sha1_to_hex(sha1));
+ return 0;
+}
+
+static int fsck_blob(unsigned char *sha1, void *data, unsigned long size)
+{
+ struct blob *blob = lookup_blob(sha1);
+ blob->object.parsed = 1;
+ return 0;
+}
+
+static int fsck_tag(unsigned char *sha1, void *data, unsigned long size)
+{
+ int typelen, taglen;
+ unsigned char object[20];
+ char object_hex[60];
+ const char *type_line, *tag_line, *sig_line;
+
+ if (size < 64)
+ return -1;
+ if (memcmp("object ", data, 7) || get_sha1_hex(data + 7, object))
+ return -1;
+
+ type_line = data + 48;
+ if (memcmp("\ntype ", type_line-1, 6))
+ return -1;
+
+ tag_line = strchr(type_line, '\n');
+ if (!tag_line || memcmp("tag ", ++tag_line, 4))
+ return -1;
+
+ sig_line = strchr(tag_line, '\n');
+ if (!sig_line)
+ return -1;
+ sig_line++;
+
+ typelen = tag_line - type_line - strlen("type \n");
+ if (typelen >= 20)
+ return -1;
+ taglen = sig_line - tag_line - strlen("tag \n");
+
+ if (!show_tags)
+ return 0;
+
+ strcpy(object_hex, sha1_to_hex(object));
+ printf("tagged %.*s %s (%.*s) in %s\n",
+ typelen, type_line + 5,
+ object_hex,
+ taglen, tag_line + 4,
+ sha1_to_hex(sha1));