brew --compact

Library/Contributions/brew_bash_completion.sh

@@ -42,7 +42,7 @@ _brew_to_completion()
     # Complete --options for selected brew
     *)
         [[ ${COMP_WORDS[1]} == "install" ]] && [[ "$cur" == --* ]] && {
-            COMPREPLY=( $(compgen -W "$(brew options "$prev" | grep -P "^--")" -- ${cur}) )
+            COMPREPLY=( $(compgen -W "$(brew options --compact "$prev")" -- ${cur}) )
             return
         }
         ;;

Library/Contributions/examples/brew-options.rb

@@ -1,9 +1,15 @@
+compact = ARGV.include? '--compact'
+
 ARGV.formulae.each do |f|
   f.options rescue next
-  puts f.name
-  f.options.each do |o|
-    puts o[0]
-    puts "\t"+o[1]
+  if compact
+    puts f.options.collect {|o| o[0]} * " "
+  else
+    puts f.name
+    f.options.each do |o|
+      puts o[0]
+      puts "\t"+o[1]
+    end
+    puts
   end
-  puts
 end