Added updater.js again and rewrote to ES6

package.json

@@ -10,7 +10,8 @@
     "test": "echo \"Error: no test specified\"",
     "babel-node": "babel-node --presets=es2015",
     "boot": "npm run babel-node -- ./src/index.js",
-    "api": "npm run babel-node -- ./api/index.js"
+    "api": "npm run babel-node -- ./api/index.js",
+    "update": "npm run babel-node -- ./update.js"
   },
   "engines": {
     "node": ">= 6.x",
@@ -22,9 +23,11 @@
     "babel-cli": "^6.11.4",
     "babel-preset-es2015": "^6.13.1",
     "babel-preset-stage-0": "^6.5.0",
+    "directory-tree": "^1.1.1",
     "fs-extra": "^0.30.0",
     "jwt-decode": "^2.1.0",
     "mysql": "^2.11.1",
+    "nodegit": "^0.16.0",
     "node-pogo-protos": "^1.4.0",
     "pcrypt": "git+https://github.com/laverdet/pcrypt.git",
     "pogo-asset-downloader": "^0.3.1",

updater.js

@@ -0,0 +1,81 @@
+import fs from "fs";
+import fse from "fs-extra";
+import git from "nodegit";
+import dirTree from "directory-tree";
+
+let tmpDir = "./tmp";
+let cloneDir = JSON.parse(fs.readFileSync("./package.json")).repository.url;
+
+let ignore = [".git", "cfg.js", "updater.js"];
+
+function skip() {
+  return new Promise((resolve) => {
+    fse.removeSync(tmpDir);
+    console.log(`Skipped update to version ${newVersion}`);
+    resolve();
+  });
+}
+
+function updateProject() {
+  return new Promise((resolve) => {
+    let newFiles = dirTree("./tmp");
+    recurse(newFiles.children);
+    resolve();
+  });
+}
+
+function recurse(parent) {
+  for (let key in parent) {
+    let name = parent[key].name;
+    if (ignore.includes(name)) continue;
+    let isDir = parent[key].hasOwnProperty("children");
+    try {
+      if (!isDir) {
+        fse.outputFileSync(parent[key].path.substring(4), fs.readFileSync(parent[key].path));
+      }
+      else {
+        recurse(parent[key].children);
+      }
+    } catch (e) { console.log(e); }
+  };
+}
+
+((() => new Promise((resolve) => {
+  console.log("Be aware about the updater is experimental!");
+  console.log("Preparing to update..");
+  setTimeout(() => {
+    fse.removeSync(tmpDir);
+    let currentVersion = JSON.parse(fs.readFileSync("./package.json")).version;
+    console.log(`Your current version is ${currentVersion}!`);
+    setTimeout(() => {
+      console.log("Fetching latest version..");
+      git.Clone(cloneDir, tmpDir).then((res, rofl) => {
+        let newVersion = null;
+        try {
+          newVersion = JSON.parse(fs.readFileSync(`${tmpDir}/package.json`)).version;
+        } catch (e) {
+          console.log("Version check failed!");
+          return resolve();
+        }
+        if (currentVersion === newVersion) {
+          console.log(`You are already running the latest version ${currentVersion}!`);
+          skip().then(resolve);
+          return void 0;
+        }
+        else if (currentVersion > newVersion) {
+          console.log(`Your version ${currentVersion} is newer than ${newVersion}!`);
+          skip().then(resolve);
+          return void 0;
+        }
+        console.log(`Latest version is ${newVersion}`);
+        console.log(`Updating to version ${newVersion}`);
+        updateProject().then(() => {
+          fse.removeSync(tmpDir);
+          console.log("Update successfully completed, please restart!");
+          resolve();
+        });
+      });
+    }, 2e3);
+
+  }, 1e3);
+})))();