From 158efd8c9a61b91caccdcb2e6b98f7d649cae93c Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Tue, 6 Mar 2012 20:12:42 +0000
Subject: `brew cleanup` cleans up the download-cache

Manpage updated.

The -s switch is "scrub" and removes downloads for uninstall formula which are downloads for the latest version of that formula still.

Please NOTE cache is NOT cleaned if a formula argument is provided. I couldn't be bothered. Patches welcome :)

Closes Homebrew/homebrew#2923.
---
 Library/Homebrew/cmd/cleanup.rb | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

(limited to 'Library/Homebrew/cmd')

diff --git a/Library/Homebrew/cmd/cleanup.rb b/Library/Homebrew/cmd/cleanup.rb
index 0aec10f56..0f2a1875d 100644
--- a/Library/Homebrew/cmd/cleanup.rb
+++ b/Library/Homebrew/cmd/cleanup.rb
@@ -2,6 +2,7 @@ require 'formula'
 require 'cmd/prune'
 
 module Homebrew extend self
+
   def cleanup
     if ARGV.named.empty?
       HOMEBREW_CELLAR.children.each do |rack|
@@ -12,8 +13,9 @@ module Homebrew extend self
           # instead of core formulae.
         end
       end
+      clean_cache
       # seems like a good time to do some additional cleanup
-      Homebrew.prune unless ARGV.include? '-n'
+      Homebrew.prune unless ARGV.switch? 'n'
     else
       ARGV.formulae.each do |f|
         cleanup_formula f
@@ -35,9 +37,8 @@ module Homebrew extend self
     if f.installed? and f.rack.directory?
       f.rack.children.each do |keg|
         if f.installed_prefix != keg
-          print "Removing #{keg}..."
-          rm_rf keg unless ARGV.include? '-n'
-          puts
+          puts "Removing #{keg}..."
+          rm_rf keg unless ARGV.switch? 'n'
         end
       end
     elsif f.rack.children.length > 1
@@ -47,4 +48,17 @@ module Homebrew extend self
     end
   end
 
+  def clean_cache
+    HOMEBREW_CACHE.children.each do |pn|
+      pn.stem =~ /^(.+)-(.+)$/ # greedy so works even if formula-name has hyphens in it
+      if $1 and $2
+        f = Formula.factory($1) rescue nil
+        if not f or (f.version != $2 or ARGV.switch? "s" and not f.installed?)
+          puts "Removing #{pn}..."
+          rm pn unless ARGV.switch? 'n'
+        end
+      end
+    end
+  end
+
 end
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