debrew: restore ARGV even when IRB.setup raises

2013-02-07 22:31:05 -06:00 · 2013-02-07 22:31:05 -06:00 · d547102253
commit d547102253
parent faa066b109
1 changed files with 6 additions and 3 deletions
--- a/Library/Homebrew/debrew/irb.rb
+++ b/Library/Homebrew/debrew/irb.rb
@ -6,9 +6,12 @@ module IRB
  def IRB.start_within(binding)
    unless @setup_done
      # make IRB ignore our command line arguments
-      saved_args = ARGV.shift(ARGV.size)
-      IRB.setup(nil)
-      ARGV.concat(saved_args)
+      begin
+        saved_args = ARGV.shift(ARGV.size)
+        IRB.setup(nil)
+      ensure
+        ARGV.replace(saved_args)
+      end
      @setup_done = true
    end