add interface

src/Illuminate/Contracts/Queue/ShouldBeUniqueUntilProcessing.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Illuminate\Contracts\Queue;
+
+interface ShouldBeUniqueUntilProcessing extends ShouldBeUnique
+{
+    //
+}

src/Illuminate/Queue/CallQueuedHandler.php

@@ -9,6 +9,7 @@
 use Illuminate\Contracts\Container\Container;
 use Illuminate\Contracts\Queue\Job;
 use Illuminate\Contracts\Queue\ShouldBeUnique;
+use Illuminate\Contracts\Queue\ShouldBeUniqueUntilProcessing;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Pipeline\Pipeline;
 use ReflectionClass;
@@ -66,7 +67,7 @@ public function call(Job $job, array $data)
             return $this->handleModelNotFound($job, $e);
         }
 
-        if ($command->uniqueUntilStart ?? false) {
+        if ($command instanceof ShouldBeUniqueUntilProcessing) {
             $this->ensureUniqueJobLockIsReleased($command);
         }
 
@@ -178,7 +179,7 @@ protected function ensureSuccessfulBatchJobIsRecorded($command)
      */
     protected function ensureUniqueJobLockIsReleased($command)
     {
-        if (! ($command instanceof ShouldBeUnique) || $this->uniqueLockReleased) {
+        if (! $command instanceof ShouldBeUnique || $this->uniqueLockReleased) {
             return;
         }
 

tests/Integration/Queue/UniqueJobTest.php

@@ -5,6 +5,7 @@
 use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Cache\Repository as Cache;
 use Illuminate\Contracts\Queue\ShouldBeUnique;
+use Illuminate\Contracts\Queue\ShouldBeUniqueUntilProcessing;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Foundation\Bus\Dispatchable;
@@ -215,11 +216,9 @@ class UniqueTestRetryJob extends UniqueTestFailJob
     public $connection = 'database';
 }
 
-class UniqueUntilStartTestJob extends UniqueTestJob
+class UniqueUntilStartTestJob extends UniqueTestJob implements ShouldBeUniqueUntilProcessing
 {
     public $tries = 2;
 
     public $connection = 'database';
-
-    public $uniqueUntilStart = true;
 }