Add "hash" to the images table to store a sha1 of the file.

sql/database-create.sql

@@ -1746,6 +1746,7 @@ CREATE TABLE `images` (
   `auth_uuid` varchar(64) default NULL,
   `auth_key` varchar(512) default NULL,
   `decryption_key` varchar(256) default NULL,
+  `hash` varchar(64) default NULL,
   PRIMARY KEY  (`imageid`),
   UNIQUE KEY `pid` (`pid`,`imagename`),
   KEY `gid` (`gid`),

sql/database-fill.sql

@@ -1052,7 +1052,7 @@ REPLACE INTO table_regex VALUES ('images','mbr_version','text','redirect','defau
 REPLACE INTO table_regex VALUES ('images','max_concurrent','text','redirect','default:int',0,0,NULL);
 REPLACE INTO table_regex VALUES ('images','reboot_waittime','text','redirect','default:int',0,0,NULL);
 REPLACE INTO table_regex VALUES ('images','format','text','regex','^[-\\w]+$',1,8,NULL);
-
+REPLACE INTO table_regex VALUES ('images','hash','text','regex','^[\\w]+$',16,64,NULL);
 REPLACE INTO table_regex VALUES ('node_types','new_type','text','redirect','default:tinytext',0,0,NULL);
 REPLACE INTO table_regex VALUES ('node_types','node_type','text','regex','^[-\\w]+$',1,30,NULL);
 REPLACE INTO table_regex VALUES ('node_types','class','text','regex','^[\\w]+$',1,30,NULL);

sql/updates/4/290

+#
+# Add hash to images table.
+#
+use strict;
+use libdb;
+
+sub DoUpdate($$$)
+{
+    my ($dbhandle, $dbname, $version) = @_;
+    
+    if (! DBSlotExists("images", "hash")) {
+	DBQueryFatal("alter table images add ".
+		     "  `hash` varchar(64) default NULL");
+    }
+    DBQueryFatal("REPLACE INTO table_regex VALUES ".
+		 "('images','hash','text','regex','^[\\\\w]+\$',16,64,NULL)");
+    return 0;
+}
+1;
+
+# Local Variables:
+# mode:perl
+# End: