Fix `brew cleanup`: don't bail out early

Running `brew cleanup` (with no arguments or multiple arguments) raises
an error and stops as soon as it finds any formula whose most recent
version is not installed.

With this change it will instead print a warning, then continue with the
next formula.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/Library/Homebrew/brew.h.rb b/Library/Homebrew/brew.h.rb
index 6a284b292..d4cea7596 100644
--- a/Library/Homebrew/brew.h.rb
+++ b/Library/Homebrew/brew.h.rb
@@ -250,10 +250,7 @@ def cleanup name
 
   f = Formula.factory name
 
-  # we can't tell which one to keep in this circumstance
-  raise "The most recent version of #{name} is not installed" unless f.installed?
-
-  if f.prefix.parent.directory?
+  if f.installed? and f.prefix.parent.directory?
     kids = f.prefix.parent.children
     kids.each do |keg|
       next if f.prefix == keg
@@ -261,6 +258,9 @@ def cleanup name
       FileUtils.rm_rf keg
       puts
     end
+  else
+    # we can't tell which one to keep in this circumstance
+    opoo "Skipping #{name}: most recent version #{f.version} not installed"
   end
 end