[8.x] add schedule:clear-mutex command (#40135)

* add clear mutex command

* formatting

* alphabetize

Co-authored-by: Bernard Wiesner <[email protected]>
Co-authored-by: Taylor Otwell <[email protected]>

src/Illuminate/Console/Scheduling/ScheduleClearCacheCommand.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Illuminate\Console\Scheduling;
+
+use Illuminate\Console\Command;
+
+class ScheduleClearCacheCommand extends Command
+{
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'schedule:clear-cache';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Delete the cached mutex files created by scheduler';
+
+    /**
+     * Execute the console command.
+     *
+     * @param  \Illuminate\Console\Scheduling\Schedule  $schedule
+     * @return void
+     */
+    public function handle(Schedule $schedule)
+    {
+        $mutexCleared = false;
+
+        foreach ($schedule->events($this->laravel) as $event) {
+            if ($event->mutex->exists($event)) {
+                $this->line('<info>Deleting mutex for:</info> '.$event->command);
+
+                $event->mutex->forget($event);
+
+                $mutexCleared = true;
+            }
+        }
+
+        if (! $mutexCleared) {
+            $this->info('No mutex files were found.');
+        }
+    }
+}

src/Illuminate/Foundation/Providers/ArtisanServiceProvider.php

@@ -6,6 +6,7 @@
 use Illuminate\Cache\Console\CacheTableCommand;
 use Illuminate\Cache\Console\ClearCommand as CacheClearCommand;
 use Illuminate\Cache\Console\ForgetCommand as CacheForgetCommand;
+use Illuminate\Console\Scheduling\ScheduleClearCacheCommand;
 use Illuminate\Console\Scheduling\ScheduleFinishCommand;
 use Illuminate\Console\Scheduling\ScheduleListCommand;
 use Illuminate\Console\Scheduling\ScheduleRunCommand;
@@ -127,6 +128,7 @@ class ArtisanServiceProvider extends ServiceProvider implements DeferrableProvid
         'ScheduleFinish' => ScheduleFinishCommand::class,
         'ScheduleList' => ScheduleListCommand::class,
         'ScheduleRun' => ScheduleRunCommand::class,
+        'ScheduleClearCache' => ScheduleClearCacheCommand::class,
         'ScheduleTest' => ScheduleTestCommand::class,
         'ScheduleWork' => ScheduleWorkCommand::class,
         'StorageLink' => 'command.storage.link',
@@ -968,6 +970,16 @@ protected function registerSeedCommand()
         });
     }
 
+    /**
+     * Register the command.
+     *
+     * @return void
+     */
+    protected function registerScheduleClearCacheCommand()
+    {
+        $this->app->singleton(ScheduleClearCacheCommand::class);
+    }
+
     /**
      * Register the command.
      *