brew list --unbrewed

Very quick way to find files not installed by homebrew.

Taken from a command by mxcl on the homebrew wiki.

.DS_Store files and bin/brew are ignored.

1 files changed, 3 insertions, 1 deletions

diff --git a/bin/brew b/bin/brew
index 873ca4c11..124ba5429 100755
--- a/bin/brew
+++ b/bin/brew
@@ -39,7 +39,9 @@ begin
       end
 
     when 'ls', 'list'
-      if ARGV.named_empty?
+      if ARGV.flag? '--unbrewed'
+        puts unbrewed_files
+      elsif ARGV.named_empty?
         ENV['CLICOLOR']=nil
         exec 'ls', *ARGV.options<<HOMEBREW_CELLAR
       elsif ARGV.verbose? or not $stdout.tty?