Don't require formula files for `brew rm --force`

In fixing this I also made it so that ARGV.kegs will return the LinkedKeg if the symlink is set. Which is almost always is. This neatly avoids most multiple-kegs issues.

Fixes Homebrew/homebrew#10685.

1 files changed, 13 insertions, 6 deletions

diff --git a/Library/Homebrew/cmd/uninstall.rb b/Library/Homebrew/cmd/uninstall.rb
index 6f0025c48..cddb8ac65 100644
--- a/Library/Homebrew/cmd/uninstall.rb
+++ b/Library/Homebrew/cmd/uninstall.rb
@@ -1,27 +1,34 @@
 require 'keg'
+require 'formula'
 
 module Homebrew extend self
   def uninstall
     raise KegUnspecifiedError if ARGV.named.empty?
 
-    unless ARGV.force?
+    if not ARGV.force?
       ARGV.kegs.each do |keg|
         puts "Uninstalling #{keg}..."
         keg.unlink
         keg.uninstall
       end
     else
-      ARGV.formulae.each do |f|
-        if f.rack.directory?
-          puts "Uninstalling #{f}..."
-          f.rack.children.each do |keg|
+      ARGV.named.each do |name|
+        name = Formula.canonical_name(name)
+
+        # FIXME canonical_name is insane
+        raise "Invalid usage" if name.include? '/'
+
+        rack = HOMEBREW_CELLAR/name
+        if rack.directory?
+          puts "Uninstalling #{name}..."
+          rack.children.each do |keg|
             if keg.directory?
               keg = Keg.new(keg)
               keg.unlink
               keg.rmtree
             end
           end
-          f.rack.rmtree
+          rack.rmtree
         end
       end
     end