   warn  : console.log
 
 formatByte = (bytes) ->
+  minus = ''
+  if bytes < 0
+    minus  = '-'
+    bytes *= -1
   thresh    = 1024
   units     = ["kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]
   unitIndex = -1

    ++unitIndex
    break unless bytes >= thresh

  return "#{bytes.toFixed 2} #{units[unitIndex]}"

module.exports = class Builder


    includesChanged = @readIncludesFile()

    if initial
      total = 0
      for own _key, project of @projectsToBuild when project.type isnt 'bundle'
        total+= project.files.scripts.length + project.files.styles.length
