started adding copay shell to copay

shell/scripts/download-atom-shell.js

@@ -0,0 +1,106 @@
+/*
+** copay-shell - atom shell downloader
+*/
+
+var path    = require('path');
+var fs      = require('fs');
+var GitHub  = require('github-releases');
+var async   = require('async');
+var readl   = require('readline');
+var color   = require('cli-color');
+var github  = new GitHub({ repo: 'atom/atom-shell' });
+var exec    = require('child_process').exec;
+var os      = require('os');
+
+var version = 'v0.13.0';
+var target  = path.normalize(__dirname + '/../bin/' + process.platform);
+
+
+console.log(color.blue('{copay}'), 'ensuring existence of output directory');
+
+ensureOutputTargets();
+
+console.log(color.blue('{copay}'), 'getting atom-shell release ' + version);
+
+github.getReleases({ tag_name: version }, function(err, releases) {
+
+  if (err || !releases.length) {
+    return console.log('Release not found');
+  }
+
+  switch (process.platform) {
+    case 'linux':
+      var filename = 'atom-shell-' + version + '-' + process.platform + '-x64.zip';
+      break;
+    case 'darwin':
+      var filename = 'atom-shell-' + version + '-' + process.platform + '-x64.zip';
+      break;
+    case 'win32':
+      var filename = 'atom-shell-' + version + '-' + process.platform + '-ia32.zip';
+      break;
+    default:
+      console.log('platform ' + process.platform + ' not supported');
+      process.exit();
+  }
+
+  console.log(color.blue('{copay}'), 'looking for prebuilt binary ' + filename);
+
+  for (var a = 0; a < releases[0].assets.length; a++) {
+    var asset = releases[0].assets[a];
+
+    if (asset.name === filename) {
+
+      console.log(color.blue('{copay}'), 'downloading ' + asset.name);
+
+      var rl = readl.createInterface({
+        input: process.stdin,
+        output: process.stdout
+      });
+
+      rl.write('      bytes received: 0');
+
+      return github.downloadAsset(asset, function(err, inStream) {
+        if (err) {
+          console.log(err);
+          process.exit();
+        }
+
+        var bytes = 0;
+
+        inStream.on('data', function(chunk) {
+          rl.write(null, { ctrl: true, name: 'u' });
+          rl.write('      bytes received: ' + (bytes + chunk.length));
+          bytes += chunk.length;
+        });
+
+        inStream.on('end', function() {
+          rl.close();
+          console.log('');
+          console.log(color.blue('{copay}'), 'downloaded!');
+        });
+
+        var out       = target;
+        var tmp       = os.tmpDir() + '/atom-shell.zip';
+        var outStream = fs.createWriteStream(tmp);
+
+        outStream.on('finish', function() {
+          console.log(color.blue('{copay}'), 'unzipping archive');
+          exec('unzip -o ' + tmp + ' -d ' + out, function(err, stdout, stderr) {
+            console.log(err || stderr || (color.blue('{copay}') + ' done!'))
+          });
+        });
+
+        inStream.pipe(outStream);
+
+      });
+    }
+  }
+
+});
+
+function ensureOutputTargets() {
+  if (!fs.existsSync(target)) fs.mkdirSync(target);
+  // if (!fs.existsSync(target + process.platform)) {
+  //   fs.mkdirSync(target + process.platform);
+  // }
+};