lower copy's zero check level when from is glob pattern

lib/actions/copy-tpl.js

@@ -1,21 +1,19 @@
 'use strict';
 
-var path = require('path');
 var extend = require('deep-extend');
 var ejs = require('ejs');
-var isBinaryFile = require("isbinaryfile");
+var isBinaryFile = require('isbinaryfile');
 
 function render(contents, filename, context, tplSettings) {
  if (isBinaryFile.sync(filename)) {
  return contents.toString();
- } else {
- return ejs.render(
- contents.toString(),
- context,
- // Setting filename by default allow including partials.
- extend({filename: filename}, tplSettings)
- );
  }
+ return ejs.render(
+ contents.toString(),
+ context,
+ // Setting filename by default allow including partials.
+ extend({filename: filename}, tplSettings)
+ );
 }
 
 module.exports = function (from, to, context, tplSettings, options) {

lib/actions/copy.js

@@ -11,7 +11,14 @@ var util = require('../util');
 
 function applyProcessingFunc(process, contents, filename) {
  var output = process(contents, filename);
- return output instanceof Buffer ? output : new Buffer(output);
+ return output instanceof Buffer ? output : Buffer.from(output);
+}
+
+function arrayHasMagic(pattern) {
+ if (Array.isArray(pattern)) {
+ return pattern.some(arrayHasMagic);
+ }
+ return glob.hasMagic(pattern);
 }
 
 exports.copy = function (from, to, options) {
@@ -44,7 +51,12 @@ exports.copy = function (from, to, options) {
  }
 
  // Sanity checks: Makes sure we copy at least one file.
- assert(files.length > 0, 'Trying to copy from a source that does not exist: ' + from);
+ // Glob pattern sometimes match no files, lower check level
+ if (!arrayHasMagic(from)) {
+ assert(files.length > 0, 'Trying to copy from a source that does not exist: ' + from);
+ } else if (files.length === 0) {
+ console.warn('Trying to copy from a source that does not exist: ' + from);
+ }
 
  files.forEach(file => {
  this._copySingle(file, generateDestination(file), options);

lib/actions/write.js

@@ -11,7 +11,7 @@ module.exports = function (filepath, contents, stat) {
  var file = this.store.get(filepath);
  file.isNew = file.contents === null;
  file.state = 'modified';
- file.contents = typeof contents === 'string' ? new Buffer(contents) : contents;
+ file.contents = typeof contents === 'string' ? Buffer.from(contents) : contents;
  file.stat = stat;
  this.store.add(file);