Function main

script/move-content.js:43–158

(opts, nameTuple)

main(program.opts(), program.args)

async function main(opts, nameTuple) {
  const { verbose, undo } = opts
  if (nameTuple.length !== 2) {
    console.error(
      chalk.red(`Must be exactly 2 file paths as arguments. Not ${nameTuple.length} arguments.`)
    )
    process.exit(1)
  }
  const [old, new_] = nameTuple
  if (old === new_) {
    throw new Error('old == new')
  }

  const uppercases = new_.match(/[A-Z]+/g) || []
  if (uppercases.length > 0) {
    throw new Error(`Uppercase in file name not allowed ('${uppercases}')`)
  }

  let oldPath = old
  let newPath = new_
  if (undo) {
    oldPath = new_
    newPath = old
  } else {
    oldPath = old
    newPath = new_
  }

  // The file you're about to move needs to exist
  if (!fs.existsSync(oldPath)) {
    console.error(chalk.red(`${oldPath} does not exist.`))
    process.exit(1)
  }

  let isFolder = fs.lstatSync(oldPath).isDirectory()

  // Before validating, see if we need to fake that the newPath should be.
  // This is to mimic how bash `mv` works where you can do:
  //
  //    mv some/place/a/file.txt destin/ation/
  //
  // which is implied to mean the same as;
  //
  //    mv some/place/a/file.txt destin/ation/file.txt
  //
  if (undo) {
    if (isFolder) {
      const wouldBe = path.join(oldPath, path.basename(newPath))
      // We can't know if the `newPath` is a directory or file because
      // whichever it is, it doesn't exist.
      if (fs.existsSync(wouldBe) && !fs.lstatSync(wouldBe).isDirectory()) {
        isFolder = false
        oldPath = wouldBe
      }
    }
  } else {
    if (!isFolder) {
      if (fs.existsSync(newPath) && fs.lstatSync(newPath).isDirectory()) {