Replace the CACHE_BUST in the init with a gulp-managed one so we can update the value with gulp watch

.env.example

@@ -9,8 +9,6 @@ APP_URL=http://localhost
 
 LOG_CHANNEL=stack
 
-CACHE_BUST=
-
 BS_HOST=localhost
 
 DB_CONNECTION=mysql

app/Utilities/Version.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Utilities;
+
+class Version
+{
+    /**
+     * The version file
+     *
+     * @var string
+     */
+    private static $version_file_path = '/storage/app/__version.txt';
+
+    /**
+     * Returns the current version (or 0 if none is set)
+     *
+     * @return string
+     */
+    public static function get()
+    {
+        $full_version_file_path = base_path() . self::$version_file_path;
+        $version = '0';
+
+        if (file_exists($full_version_file_path)) {
+            $version = trim(file_get_contents($full_version_file_path));
+        }
+
+        return $version;
+    }
+}

config/app.php

@@ -239,6 +239,7 @@ return [
          */
         'Image'      => Intervention\Image\Facades\Image::class,
         'Language'   => App\Utilities\Language::class,
+        'Version'    => App\Utilities\Version::class,
 
     ]
 

gulpfile.js

@@ -4,7 +4,9 @@ const gulp = require("gulp"),
     log = require("fancy-log"),
     insert = require("gulp-insert"),
     plumber = require("gulp-plumber"),
-    concat = require("gulp-concat");
+    concat = require("gulp-concat"),
+    fs = require("fs"),
+    crypto = require("crypto");
 
 // Sass and CSS packages
 const sass = require("gulp-sass"),
@@ -176,6 +178,17 @@ function processJavaScript(outputFilename, inputFiles, es6) {
     return javascript.pipe(gulp.dest("public/js/"));
 }
 
+// Update the version string
+function updateVersion() {
+    crypto.randomBytes(16, (err, buf) => {
+        if (err) { throw err; }
+
+        return fs.writeFile("storage/app/__version.txt", buf.toString("hex"), (err) => {
+            if (err) { throw err; }
+        });
+    });
+}
+
 // Task for error page styles
 gulp.task("sass-error", () => {
     return processSass("error");
@@ -225,9 +238,16 @@ gulp.task("fonts", (done) => {
     done();
 });
 
+// Task to update the cache-bust version
+gulp.task("version", (done) => {
+    updateVersion();
+    done();
+});
+
 // Task to watch files and run respective tasks when changes occur
 gulp.task("watch", () => {
     const browserSyncReload = (done) => {
+        updateVersion();
         browserSync.reload();
         done();
     };
@@ -260,5 +280,6 @@ gulp.task("default", gulp.parallel(
     "js-public-libs",
     "js-dashboard",
     "js-dashboard-libs",
-    "fonts"
+    "fonts",
+    "version"
 ));

init.sh

@@ -81,14 +81,6 @@ php artisan route:clear
 msg "Running: ${c_m}php artisan view:clear"
 php artisan view:clear
 
-grep -qe '^CACHE_BUST=' .env || {
-    msg "Adding the ${c_y}CACHE_BUST$c_w variable"
-    printf '\n%s\n' 'CACHE_BUST=' >> .env
-}
-
-msg "Updating ${c_y}CACHE_BUST$c_w variable"
-sed -i 's|^CACHE_BUST=.*|CACHE_BUST='"$(LC_CTYPE=C LANG=C tr -dc A-Za-z0-9 </dev/urandom | head -c 32)"'|' .env
-
 (( ! no_db )) && {
     msg "Running: ${c_m}php artisan migrate --force"
     php artisan migrate --force || error "${c_m}php artisan migrate --force$c_w exited with an error status"

readme.md

@@ -37,11 +37,10 @@ The following steps are performed in this order when run:
 4. Downloads and updates non-development composer dependencies.
 5. Checks to see if the `APP_KEY` variable in the `.env` file is empty, and if it is, generates a value for it.
 6. Clears the route and blade cache to ensure everything will be build fresh against the current codebase and dependencies.
-7. Updates the `CACHE_BUST` variable in the `.env` file, which changes the value of a `version` query string appended to compiled assets and prevents clients from using a previous version in their cache.
+7. (artisan) Run new database migrations.
-8. (artisan) Run new database migrations.
+8. Cleans, downloads and updates npm dependencies.
-9. Cleans, downloads and updates npm dependencies.
+9. Runs `gulp --production` to build project files and copy fonts to `public/fonts` (uses the local version of gulp installed in `node_modules`).
-10. Runs `gulp --production` to build project files and copy fonts to `public/fonts` (uses the local version of gulp installed in `node_modules`).
+10. (artisan) Takes the website out of maintenance mode.
-11. (artisan) Takes the website out of maintenance mode.
 
 **NOTE**: Items with `(artisan)` prepended to them won't be run if `init.sh` is run with the `--no-artisan` flag.
 

resources/views/templates/base.blade.php

@@ -27,9 +27,9 @@
         <meta name="twitter:description" content="{{ env('APP_DESC') }}" />
         <meta name="twitter:image" content="{{ asset('/img/logo.png') }}" />
 
-        <link rel="shortcut icon" href="{{ URL::to('/') }}/favicon.ico?version={{ env('CACHE_BUST') }}" />
+        <link rel="shortcut icon" href="{{ URL::to('/') }}/favicon.ico?version={{ Version::get() }}" />
-        <link rel="icon" href="{{ URL::to('/') }}/favicon.ico?version={{ env('CACHE_BUST') }}" type="image/x-icon" />
+        <link rel="icon" href="{{ URL::to('/') }}/favicon.ico?version={{ Version::get() }}" type="image/x-icon" />
-        <link rel="icon" href="{{ URL::to('/') }}/favicon.png?version={{ env('CACHE_BUST') }}" type="image/png" />
+        <link rel="icon" href="{{ URL::to('/') }}/favicon.png?version={{ Version::get() }}" type="image/png" />
         <link rel="canonical" href="{{ Request::url() }}" />
 
         @yield('page-includes')
@@ -50,7 +50,7 @@
 
         @if(Config::get('app.debug') && Config::get('app.env') === 'local')
             <script id="__bs_script__">//<![CDATA[
-                document.write("<script async src='http://{{ env('BS_HOST', 'localhost') }}:3000/browser-sync/browser-sync-client.js?version={{ env('CACHE_BUST') }}'><\/script>".replace("HOST", location.hostname));
+                document.write("<script async src='http://{{ env('BS_HOST', 'localhost') }}:3000/browser-sync/browser-sync-client.js?version={{ Version::get() }}'><\/script>".replace("HOST", location.hostname));
             //]]></script>
         @endif
     </body>

resources/views/templates/dashboard.blade.php

@@ -2,10 +2,10 @@
 @set('current_page', preg_replace([ '/https?:\/\//', '/^[^\/]*\/[^\/]*\//', '/\/.*/' ], [ '', '', '' ], Request::url()))
 
 @section('page-includes')
-    <script src="/js/lib-dashboard.js?version={{ env('CACHE_BUST') }}"></script>
+    <script src="/js/lib-dashboard.js?version={{ Version::get() }}"></script>
-    <script src="/js/dashboard.js?version={{ env('CACHE_BUST') }}"></script>
+    <script src="/js/dashboard.js?version={{ Version::get() }}"></script>
-    <link rel="stylesheet" href="/css/lib-dashboard.css?version={{ env('CACHE_BUST') }}" />
+    <link rel="stylesheet" href="/css/lib-dashboard.css?version={{ Version::get() }}" />
-    <link rel="stylesheet" href="/css/dashboard.css?version={{ env('CACHE_BUST') }}" />
+    <link rel="stylesheet" href="/css/dashboard.css?version={{ Version::get() }}" />
 @endsection
 
 @section('page-top')

resources/views/templates/error.blade.php

@@ -1,7 +1,7 @@
 @extends('templates.base')
 
 @section('page-includes')
-    <link rel="stylesheet" href="/css/error.css?version={{ env('CACHE_BUST') }}" />
+    <link rel="stylesheet" href="/css/error.css?version={{ Version::get() }}" />
 @endsection
 
 @section('page-content')

resources/views/templates/public.blade.php

@@ -1,8 +1,8 @@
 @extends('templates.base')
 
 @section('page-includes')
-    <script src="/js/lib.js?version={{ env('CACHE_BUST') }}"></script>
+    <script src="/js/lib.js?version={{ Version::get() }}"></script>
-    <link rel="stylesheet" href="/css/app.css?version={{ env('CACHE_BUST') }}" />
+    <link rel="stylesheet" href="/css/app.css?version={{ Version::get() }}" />
 
     <script>
         var env = {
@@ -34,5 +34,5 @@
 @endsection
 
 @section('page-bottom')
-    <script src="/js/app.js?version={{ env('CACHE_BUST') }}"></script>
+    <script src="/js/app.js?version={{ Version::get() }}"></script>
 @endsection