Better errors if missing keg or formula arguments

1 files changed, 6 insertions, 0 deletions

diff --git a/bin/brew b/bin/brew
index 437be8c73..9c680abf2 100755
--- a/bin/brew
+++ b/bin/brew
@@ -224,6 +224,12 @@ begin
     puts ARGV.usage
   end
 
+rescue FormulaUnspecifiedError
+  puts "This command requires a formula argument"
+  exit 1
+rescue KegUnspecifiedError
+  puts "This command requires a keg argument"
+  exit 1
 rescue UsageError
   onoe "Invalid usage"
   puts ARGV.usage