Open
Description
For example, fetching the diff for graphics.ai in mhettler/accuratelockandhardware.com@4e77bd2 will result in many nil hunk headers and lines.
libgit2 is giving us valid C strings — at least in the sense that they represent the file's content, but may be in an unknown encoding. We should use Cocoa's text encoding functions or implement some fallbacks to handle more possible cases.