isaacs/test-gh-218.js

## test-gh-218.js
const fs = require("fs");
const path = require("path");
const tar = require("tar");

const workingDir = path.resolve('working-dir')

// set up the test files
const mkdirp = require('mkdirp')
const rimraf = require('rimraf')
const paths = ["dir1/", "dir2/", "dir3/", "dir4/"];
const files = [
  'dir1/settings.json',
  'dir1/prefs.json',
  'dir2/stuff.xml',
  'dir2/otherstuff.xml',
  'dir3/config',
  'dir4/config',
]

const exportPath = path.resolve('archive.tgz')

const create = () => {
  rimraf.sync(workingDir)
  rimraf.sync(exportPath)
  paths.forEach(p => mkdirp.sync(path.resolve(workingDir, p)))
  files.forEach(f => fs.writeFileSync(path.resolve(workingDir, f), f))

  // run the test
  const existingPaths = paths.filter(p =>
    fs.existsSync(path.join(workingDir, p))
  );

  if (existingPaths.length !== 0) {
    tar
      .c(
        {
          gzip: true,
          sync: true,
          cwd: workingDir
        },
        existingPaths
      )
      .pipe(fs.createWriteStream(exportPath))
  } else {
    throw "Error: No configuration to export.";
  }
}

const list = () => {
  tar.t({
    file: exportPath,
    onentry: entry => console.log(entry.path)
  });
}

if (process.argv[2] === 'list')
  list()
else
  create()
	const fs = require("fs");
	const path = require("path");
	const tar = require("tar");

	const workingDir = path.resolve('working-dir')

	// set up the test files
	const mkdirp = require('mkdirp')
	const rimraf = require('rimraf')
	const paths = ["dir1/", "dir2/", "dir3/", "dir4/"];
	const files = [
	'dir1/settings.json',
	'dir1/prefs.json',
	'dir2/stuff.xml',
	'dir2/otherstuff.xml',
	'dir3/config',
	'dir4/config',
	]

	const exportPath = path.resolve('archive.tgz')

	const create = () => {
	rimraf.sync(workingDir)
	rimraf.sync(exportPath)
	paths.forEach(p => mkdirp.sync(path.resolve(workingDir, p)))
	files.forEach(f => fs.writeFileSync(path.resolve(workingDir, f), f))

	// run the test
	const existingPaths = paths.filter(p =>
	fs.existsSync(path.join(workingDir, p))
	);

	if (existingPaths.length !== 0) {
	tar
	.c(
	{
	gzip: true,
	sync: true,
	cwd: workingDir
	},
	existingPaths
	)
	.pipe(fs.createWriteStream(exportPath))
	} else {
	throw "Error: No configuration to export.";
	}
	}

	const list = () => {
	tar.t({
	file: exportPath,
	onentry: entry => console.log(entry.path)
	});
	}

	if (process.argv[2] === 'list')
	list()
	else
	create()