[Dev] Dynamically update revision when switching branch (#1721)

.eslintrc

@@ -71,5 +71,8 @@
   },
   "parserOptions": {
     "project": "./tsconfig.json"
+  },
+  "globals": {
+    "APP_REVISION": "readonly"
   }
 }

src/@types/global.d.ts

@@ -1,5 +1,7 @@
 declare const process: NodeJS.Process;
 
+declare var APP_REVISION: string;
+
 declare namespace React {
   interface HTMLAttributes {
     // Optimization for DOM nodes prepends and inserts

src/components/left/main/LeftMainHeader.tsx

@@ -8,7 +8,7 @@ import { ApiChat } from '../../../api/types';
 import { GlobalState } from '../../../global/types';
 
 import {
-  ANIMATION_LEVEL_MAX, APP_NAME, APP_REVISION, APP_VERSION, DEBUG, FEEDBACK_URL,
+  ANIMATION_LEVEL_MAX, APP_NAME, APP_VERSION, DEBUG, FEEDBACK_URL,
 } from '../../../config';
 import { IS_SINGLE_COLUMN_LAYOUT } from '../../../util/environment';
 import buildClassName from '../../../util/buildClassName';

src/config.ts

@@ -1,6 +1,5 @@
 export const APP_NAME = process.env.APP_NAME || 'Telegram WebZ';
 export const APP_VERSION = process.env.APP_VERSION!;
-export const APP_REVISION = process.env.APP_REVISION;
 
 export const DEBUG = (
   process.env.APP_ENV !== 'production' && process.env.APP_ENV !== 'perf' && process.env.APP_ENV !== 'test'

webpack.config.js

@@ -2,6 +2,7 @@ const path = require('path');
 const dotenv = require('dotenv');
 
 const {
+  DefinePlugin,
   EnvironmentPlugin,
   ProvidePlugin,
 } = require('webpack');
@@ -128,6 +129,12 @@ module.exports = (env = {}, argv = {}) => {
         TELEGRAM_T_API_HASH: undefined,
         TEST_SESSION: null,
       }),
+      new DefinePlugin({
+        APP_REVISION: DefinePlugin.runtimeValue(() => {
+          const { branch, commit } = getGitMetadata();
+          return JSON.stringify((!branch || branch === 'HEAD') ? commit : branch);
+        }, argv.mode === 'development' ? true : []),
+      }),
       new ProvidePlugin({
         Buffer: ['buffer', 'Buffer'],
       }),
@@ -153,3 +160,10 @@ module.exports = (env = {}, argv = {}) => {
     }),
   };
 };
+
+function getGitMetadata() {
+  const gitRevisionPlugin = new GitRevisionPlugin();
+  const branch = process.env.HEAD || gitRevisionPlugin.branch();
+  const commit = gitRevisionPlugin.commithash().substring(0, 7);
+  return { branch, commit };
+}