#! /usr/bin/env node
'use strict'

/**
 * This is a script to git subtree an "org" to its own repo.
 * ~~This should be invoked within a lerna repository so that the changed modules
 * can be recognised~~
 *
 *  - split.sh, a convenience binary around 'git subtree split' - https://tinyurl.com/z5mmpof
 */

import {execFileSync} from 'child_process'
import path from 'path'
const orgs = process.argv.slice(2)

if (typeof orgs === 'undefined') throw new Error('Supply org names as parameters')

const splitshPath = path.resolve(__dirname, '../../bin/splitsh-lite.osx')
const gitPath = '/usr/local/bin/git'
const monoroot = path.resolve(__dirname, '../../../../../..')

const doSync = (org: string) => {
  const repo = `git@github.com:elmpp/${org}.git`
  const prefix = `orgs/${org}`

  try {
    const sha1 = execFileSync(splitshPath, ['--prefix', prefix, '--path', monoroot, '--progress'])
      .toString()
      .replace(/\r?\n|\r$/, '')
    if (!sha1.length) {
      console.debug('no commits found!')
      return
    }

    console.debug(`Generated commit sha1: ${sha1.substring(0, 6)} for org: ${org}; repo: ${repo}`)

    execFileSync(gitPath, ['push', '-f', repo, `${sha1}:refs/heads/master`], {
      stdio: 'inherit',
      env: {HUSKY_SKIP_HOOKS: '1'},
    })

    console.log(`Pushed commit sha1: ${sha1.substring(0, 6)} to repo: ${repo}`)
  } catch (err) {
    console.error(err.message)
    process.exit(1)
  }
}
;(() => {
  orgs.forEach(org => doSync(org))
  process.exit(0)
})()