Implement []= on BottleCollector

Library/Homebrew/bottles.rb

@@ -68,18 +68,23 @@ class BottleCollector
     @bottles = {}
   end
 
-  def add(checksum, tag)
-    @bottles[tag] = checksum
-  end
-
   def fetch_bottle_for(tag)
     return [@bottles[tag], tag] if @bottles[tag]
 
     find_altivec_tag(tag) || find_or_later_tag(tag)
   end
 
-  def keys; @bottles.keys; end
-  def [](arg); @bottles[arg]; end
+  def keys
+    @bottles.keys
+  end
+
+  def [](key)
+    @bottles[key]
+  end
+
+  def []=(key, value)
+    @bottles[key] = value
+  end
 
   # This allows generic Altivec PPC bottles to be supported in some
   # formulae, while also allowing specific bottles in others; e.g.,

Library/Homebrew/software_spec.rb

@@ -172,7 +172,7 @@ class BottleSpecification
   Checksum::TYPES.each do |cksum|
     define_method(cksum) do |val|
       digest, tag = val.shift
-      collector.add(Checksum.new(cksum, digest), tag)
+      collector[tag] = Checksum.new(cksum, digest)
     end
   end
 

Library/Homebrew/test/test_bottle_collector.rb

@@ -7,8 +7,8 @@ class BottleCollectorTests < Homebrew::TestCase
   end
 
   def test_collector_returns_passed_tags
-    @collector.add('foo', :lion)
-    @collector.add('bar', :mountain_lion)
+    @collector[:lion] = "foo"
+    @collector[:mountain_lion] = "bar"
     assert_equal ['bar', :mountain_lion], @collector.fetch_bottle_for(:mountain_lion)
   end
 
@@ -17,19 +17,19 @@ class BottleCollectorTests < Homebrew::TestCase
   end
 
   def test_collector_finds_or_later_tags
-    @collector.add('foo', :lion_or_later)
+    @collector[:lion_or_later] = "foo"
     assert_equal ['foo', :lion_or_later], @collector.fetch_bottle_for(:mountain_lion)
     assert_nil @collector.fetch_bottle_for(:snow_leopard)
   end
 
   def test_collector_prefers_exact_matches
-    @collector.add('foo', :lion_or_later)
-    @collector.add('bar', :mountain_lion)
+    @collector[:lion_or_later] = "foo"
+    @collector[:mountain_lion] = "bar"
     assert_equal ['bar', :mountain_lion], @collector.fetch_bottle_for(:mountain_lion)
   end
 
   def test_collector_finds_altivec_tags
-    @collector.add('foo', :tiger_altivec)
+    @collector[:tiger_altivec] = "foo"
     assert_equal ['foo', :tiger_altivec], @collector.fetch_bottle_for(:tiger_g4)
     assert_equal ['foo', :tiger_altivec], @collector.fetch_bottle_for(:tiger_g4e)
     assert_equal ['foo', :tiger_altivec], @collector.fetch_bottle_for(:tiger_g5)