cache_dir(uri)
public
Returns the local directory to write uri to.
# File lib/rubygems/source.rb, line 115
def cache_dir(uri)
# Correct for windows paths
escaped_path = uri.path.sub(/^\/([a-z]):\//, '/\1-/')
escaped_path.untaint
File.join Gem.spec_cache_dir, "#{uri.host}%#{uri.port}", File.dirname(escaped_path)
end