#!/usr/bin/env node

'use strict';

const {exec} = require('child-process-promise');

const {join} = require('path');

const {tmpdir} = require('os');

const {logPromise} = require('../utils');

const theme = require('../theme');

const run = async ({commit, cwd, tempDirectory}) => {

  const directory = `react-${commit}`;

  const temp = tmpdir();

  if (tempDirectory !== join(tmpdir(), directory)) {

    throw Error(`Unexpected temporary directory "${tempDirectory}"`);

  }

  await exec(`rm -rf ${directory}`, {cwd: temp});

  await exec(`git archive --format=tar --output=${temp}/react.tgz ${commit}`, {

    cwd,

  });

  await exec(`mkdir ${directory}`, {cwd: temp});

  await exec(`tar -xf ./react.tgz -C ./${directory}`, {cwd: temp});

};

module.exports = async params => {

  return logPromise(

    run(params),

    theme`Copying React repo to temporary directory ({path ${params.tempDirectory}})`

  );

};