Add git information to diagnostics

rollup.config.js

@@ -8,6 +8,7 @@ import json from '@rollup/plugin-json';
 import styles from 'rollup-plugin-styles';
 import image from '@rollup/plugin-image';
 import replace from '@rollup/plugin-replace';
+import gitInfo from 'rollup-plugin-git-info';
 
 const watch = process.env.ROLLUP_WATCH === 'true' || process.env.ROLLUP_WATCH === '1';
 const dev = watch || process.env.DEV === 'true' || process.env.DEV === '1';
@@ -29,6 +30,7 @@ const serveopts = {
  * @type {import('rollup').RollupOptions['plugins']}
  */
 const plugins = [
+  gitInfo({ enableBuildDate: true, updateVersion: false }),
   styles({
     modules: false,
     // Behavior of inject mode, without actually injecting style
@@ -46,7 +48,7 @@ const plugins = [
     include: 'node_modules/**',
   }),
   typescript(),
-  json(),
+  json({ exclude: 'package.json' }),
   babel({
     babelHelpers: 'bundled',
     exclude: 'node_modules/**',