fix issue with 'SIGINT' handling in LineEditor#reset

@old_trap is the string "DEFAULT" and not a callable object (Proc) if there are no other signal handlers for SIGINT signal to chain.
ruby · Jun 8, 2019 · 9d95ae8 · 9d95ae8
1 parent b738261
commit 9d95ae8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
@@ -64,7 +64,7 @@ def reset(prompt = '', encoding = Encoding.default_external)
     @old_trap = Signal.trap('SIGINT') {
       scroll_down(@highest_in_all - @first_line_started_from)
       Reline::IOGate.move_cursor_column(0)
-      @old_trap.()
+      @old_trap.call if @old_trap.respond_to?(:call) # can also be string, ex: "DEFAULT"
     }
   end