Massaging submodule

do_it.scala

import scala.io.Source.{fromFile => open}
import scala.sys.process._

if (args.length < 1) {
  println("Give me an existing .gitmodules file to copy")
  exit(0)
}

val Submodule = """\[submodule "(.*)"\]""".r
val Url = """\s+url = (.*)""".r

def write(text: String) = {
  val writer = new java.io.FileWriter("submodule_errors", true)
  writer.write(text)
  writer.close()
}

def log(lines: Seq[String], path: String) = {
  ProcessLogger(str => str match {
    case str if str.contains("fatal") =>
      write(lines.mkString("\n"))
      // Cleanup submodule add network failure
      ("rm -rf .git/modules/%s" format path) run()
      ("rm -rf %s" format path) run()
    case str => println(str)
  })
}

open(args(0)).getLines.sliding(3, 3).foreach (lines => lines match {
  case Submodule(path) :: _ :: Url(url) :: Nil =>
    ("git submodule add %s %s" format (url, path)) ! (log(lines, path))
  case ls => println(ls.mkString("\n"))
})