in lib/grit/git.rb [260:277]
def apply_patch(options={}, head_sha=nil, patch=nil)
options, head_sha, patch = {}, options, head_sha if !options.is_a?(Hash)
options = options.dup
options[:env] &&= options[:env].dup
options[:raise] = true
git_index = create_tempfile('index', true)
(options[:env] ||= {}).merge!('GIT_INDEX_FILE' => git_index)
begin
native(:read_tree, options.dup, head_sha)
native(:apply, options.merge(:cached => true, :input => patch))
rescue CommandFailed
return false
end
native(:write_tree, :env => options[:env]).to_s.chomp!
end