Rclone Diff generator

readme.md

Will create a display with all different files from one directory to another

< indicates that a file only exists in the first file
> indicates that a file only exists in the second file

Usage

node diff.js drive:sub/dir drive2:sub/dir

Will output dif between directories divided by subdirectory Will also create and return a tmp diff file that you can call directly using

node diff.js [tmpdifffile]

(no brackets)

Requeriments

You will need rclone setup and both your destinations configured

diff.js

const fs = require('fs')
const { spawn } = require('child_process')

const [,,from, to] = process.argv

const UUID = () => {
  var dt = new Date().getTime();
  var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    var r = (dt + Math.random()*16)%16 | 0;
    dt = Math.floor(dt/16);
    return (c=='x' ? r :(r&0x3|0x8)).toString(16);
  });
  return uuid;
}

const [tmp1, tmp2, tmp3] = [UUID(), UUID(), UUID()]

let command = [
  `rclone lsf -R "${from}" | sort > /tmp/${tmp1}`,
  `rclone lsf -R "${to}" | sort > /tmp/${tmp2}`,
  `diff /tmp/${tmp1} /tmp/${tmp2} > /tmp/${tmp3}`
].join('; ')

const looker = () => {
  const exec = spawn('sh', ['-c', command])
  exec.stderr.on('data', data => {
    console.log(data.toString())
    throw new Error('something went bad')
  })
  exec.stdout.on('close', _ => {
    reporter()
  })
}

const reporter = (dif = tmp3) => {
  const file = fs.readFileSync(`/tmp/${dif}`, {encoding: 'utf8'})
  const lines = file.split('
')
    .map(line => line.split('/'))
    .map(([head, tail]) => [...head.split(' '), tail])

  const directories = {}

  lines.forEach(([action, directory, game]) => {
    if (!directory) return
    if (!directories[directory]) directories[directory] = {}
    const dir = directories[directory]
    if (!dir[action]) dir[action] = 0
    dir[action] += 1
  })

  console.table(directories)
  console.log('temp diff saved to', `${tmp3}`)
}

if (!to) reporter(from)
else looker()