Add check scratch mode for performing cl-image

pym/cl_image_cmd.py

@@ -49,6 +49,14 @@ class image_cmd(share_cmd):
         #                                  "k", "e","dmraid","c","ebuild",
         #                                  "symlink"]
 
+    def isScratch(self):
+        """Detect scartch system"""
+        if self.logicObj.clVars.Get('os_scratch') == 'on':
+            return True
+        else:
+            self.printERROR(_("You should load system in the builder mode."))
+            return False
+
     def checkOpts(self, values, args):
         """Check values all specified options."""
         if len(args) > 1:

scripts/cl-image

@@ -49,6 +49,8 @@ if __name__ == "__main__":
     # check root 
     if not image.isRoot():
         sys.exit(1)
+    if not image.isScratch():
+        sys.exit(1)
     if not image.performActionByCommand(options,args):
         sys.exit(1)
     sys.exit(0)