some fixes

dsl/parser.go

@@ -807,6 +807,18 @@ func (p *Parser) parsePattern() (*Pattern, error) {
 				return nil, err
 			}
 			pat.DirsGlob = val.Value
+		case "stage":
+			b, err := p.parseBool()
+			if err != nil {
+				return nil, err
+			}
+			pat.StageAll = b
+		case "args_file":
+			val, err := p.expect(TOKEN_STRING)
+			if err != nil {
+				return nil, err
+			}
+			pat.ArgsFile = val.Value
 		case "args":
 			xs, err := p.parseStringList()
 			if err != nil {