Moved to _dev

crater/app/Rules/Backup/BackupDisk.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Crater\Rules\Backup;
+
+use Illuminate\Contracts\Validation\Rule;
+
+class BackupDisk implements Rule
+{
+    /**
+     * Create a new rule instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        $configuredBackupDisks = config('backup.backup.destination.disks');
+
+        return in_array($value, $configuredBackupDisks);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return 'This disk is not configured as a backup disk.';
+    }
+}