Added warning function

Author: Bastian Schwarz

MIGRATION.md

@@ -16,6 +16,10 @@ If you use the All class you don't need to do anything.
 The iAll interface was extended with the iInfo interface. If you created your own implementation of iAll you need to implement the iInfo interface as well.
 If you use the All class you don't need to do anything.
 
+### Warning Method
+The iAll interface was extended with the iWarning interface. If you created your own implementation of iAll you need to implement the iWarning interface as well.
+If you use the All class you don't need to do anything.
+
 ## 1.x -> 2.x
 
 The ssh connection string is now part of `\Deployer\Host\Host`. This means the

src/functions/All.php

@@ -43,6 +43,7 @@
 use function Deployer\runLocally;
 use function Deployer\set;
 use function Deployer\upload;
+use function Deployer\warning;
 use function Deployer\within;
 
 /**
@@ -172,6 +173,10 @@ public function upload(string $source, string $destination, array $config = [])
     upload($source, $destination, $config);
   }
 
+  public function warning(string $message) : void {
+    warning($message);
+  }
+
   public function within(string $path, callable $callback) : mixed {
     return within($path, $callback);
   }

src/functions/iAll.php

@@ -22,6 +22,4 @@
  *
  * The idea is to provide a stable, typed API and also a level of abstraction to the global deployer functions so testing is easier.
  */
-interface iAll extends iAdd, iAfter, iBefore, iCurrentHost, iDownload, iGet, iHost, iInfo, iInput, iLocalhost, iOn, iParse, iRun, iSet, iTask, iUpload, iWithin {
-
-}
+interface iAll extends iAdd, iAfter, iBefore, iCurrentHost, iDownload, iGet, iHost, iInfo, iInput, iLocalhost, iOn, iParse, iRun, iSet, iTask, iUpload, iWarning, iWithin { }

src/functions/iWarning.php

@@ -0,0 +1,32 @@
+<?php declare(strict_types=1);
+/*
+ *   Copyright 2023 Bastian Schwarz <bastian@codename-php.de>.
+ *
+ *   Licensed under the Apache License, Version 2.0 (the "License");
+ *   you may not use this file except in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing, software
+ *   distributed under the License is distributed on an "AS IS" BASIS,
+ *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *   See the License for the specific language governing permissions and
+ *   limitations under the License.
+ */
+
+namespace de\codenamephp\deployer\base\functions;
+
+/**
+ * Interface for the Deployer\warning function
+ */
+interface iWarning {
+
+  /**
+   * Writes a warning message to the console
+   *
+   * @param string $message The message to write
+   * @return void
+   */
+  public function warning(string $message) : void;
+}