1) if a diff is a generator, convert it to a list (we need to caluclate    the length of it) 2) fix for applying patches to empty files (which have no context)
1) if a diff is a generator, convert it to a list (we need to caluclate
   the length of it)
2) fix for applying patches to empty files (which have no context)

sassoftware/conary,sassoftware/conary,sassoftware/conary,sassoftware/conary,sassoftware/conary