[rubygems/rubygems] Don't expire git specs unnecessarily when remote! or cached! are used

rubygems/rubygems@04b26731cb

Author: deivid-rodriguez

lib/bundler/source/git.rb

@@ -33,11 +33,15 @@ def initialize(options)
       end
 
       def remote!
+        return if @allow_remote
+
         @local_specs = nil
         @allow_remote = true
       end
 
       def cached!
+        return if @allow_cached
+
         @local_specs = nil
         @allow_cached = true
       end