Including gitCommit and version in frontend build. Backend now sending a backendInfo object containing commit, version and hostname. All printed on About page.

frontend/generate-config.js

@@ -5,6 +5,8 @@ const GENERATED_CONFIG_FILE_NAME = 'generated-config.js';
 
 let settings = [];
 let configContent = {};
+let gitCommitHash = '';
+let packetJsonVersion = '';
 
 try {
   const rawConfig = fs.readFileSync(CONFIG_FILE_NAME);
@@ -15,6 +17,13 @@ try {
   }
 }
 
+try {
+  const packageJson = fs.readFileSync('package.json');
+  packetJsonVersion = JSON.parse(packageJson).version;
+} catch (e) {
+  throw new Error(e);
+}
+
 for (setting in configContent) {
   settings.push({
     key: setting,
@@ -22,9 +31,17 @@ for (setting in configContent) {
   });
 }
 
+try {
+  gitCommitHash = fs.readFileSync('../.git/refs/heads/master').toString().trim();
+} catch (e) {
+  console.log('Could not load git commit info: ' + e.message || e);
+}
+
 const code = `(function (window) {
   window.__env = window.__env || {};${settings.reduce((str, obj) => `${str}
     window.__env.${obj.key} = ${ typeof obj.value === 'string' ? `'${obj.value}'` : obj.value };`, '')}
+    window.__env.GIT_COMMIT_HASH = '${gitCommitHash}';
+    window.__env.PACKAGE_JSON_VERSION = '${packetJsonVersion}';
   }(global || this));`;
 
 try {