# File lib/jammit/compressor.rb, line 116 def find_base_path(paths) return nil if paths.length <= 1 paths.sort! first = paths.first.split('/') last = paths.last.split('/') i = 0 while first[i] == last[i] && i <= first.length i += 1 end res = first.slice(0, i).join('/') res.empty? ? nil : res end