MC-37324: Add fallback to 'patch' command when 'git' command is not available

Author: bubasuma

config/services.xml

@@ -79,7 +79,7 @@
         </service>
         <service id="Magento\CloudPatches\Patch\PatchBuilder" shared="false"/>
         <service id="patchCommand" class="Magento\CloudPatches\Patch\PatchCommand">
-            <argument key="$commands" type="collection">
+            <argument key="$drivers" type="collection">
                 <argument type="service" id="Magento\CloudPatches\Shell\Command\GitDriver"/>
                 <argument type="service" id="Magento\CloudPatches\Shell\Command\PatchDriver"/>
             </argument>

src/Patch/PatchCommand.php

@@ -17,73 +17,73 @@ class PatchCommand implements PatchCommandInterface
     /**
      * @var DriverInterface[]
      */
-    private $commands;
+    private $drivers;
 
     /**
      * @var DriverInterface
      */
-    private $command;
+    private $driver;
 
     /**
-     * @param DriverInterface[] $commands
+     * @param DriverInterface[] $drivers
      */
     public function __construct(
-        array $commands
+        array $drivers
     ) {
-        $this->commands = $commands;
+        $this->drivers = $drivers;
     }
 
     /**
      * @inheritDoc
      */
     public function apply(string $patch)
     {
-        $this->getCommand()->apply($patch);
+        $this->getDriver()->apply($patch);
     }
 
     /**
      * @inheritDoc
      */
     public function revert(string $patch)
     {
-        $this->getCommand()->revert($patch);
+        $this->getDriver()->revert($patch);
     }
 
     /**
      * @inheritDoc
      */
     public function applyCheck(string $patch)
     {
-        $this->getCommand()->applyCheck($patch);
+        $this->getDriver()->applyCheck($patch);
     }
 
     /**
      * @inheritDoc
      */
     public function revertCheck(string $patch)
     {
-        $this->getCommand()->revertCheck($patch);
+        $this->getDriver()->revertCheck($patch);
     }
 
     /**
-     * Return first available command
+     * Returns first available driver
      *
      * @return DriverInterface
      * @throws PatchCommandNotFound
      */
-    private function getCommand(): DriverInterface
+    private function getDriver(): DriverInterface
     {
-        if ($this->command === null) {
-            foreach ($this->commands as $command) {
-                if ($command->isInstalled()) {
-                    $this->command = $command;
+        if ($this->driver === null) {
+            foreach ($this->drivers as $driver) {
+                if ($driver->isInstalled()) {
+                    $this->driver = $driver;
                     break;
                 }
             }
-            if ($this->command === null) {
+            if ($this->driver === null) {
                 throw new PatchCommandNotFound();
             }
         }
-        return $this->command;
+        return $this->driver;
     }
 }

src/Patch/PatchCommandInterface.php

@@ -31,7 +31,7 @@ public function apply(string $patch);
     public function revert(string $patch);
 
     /**
-     * Checks if the patch can be applied.
+     * Checks if patch can be applied.
      *
      * @param string $patch
      * @return void
@@ -40,7 +40,7 @@ public function revert(string $patch);
     public function applyCheck(string $patch);
 
     /**
-     * Checks if the patch can be reversed
+     * Checks if patch can be reverted
      *
      * @param string $patch
      * @return void

src/Patch/PatchCommandNotFound.php

@@ -9,6 +9,9 @@
 
 use Magento\CloudPatches\App\GenericException;
 
+/**
+ * Exception thrown if none of defined patch drivers is available
+ */
 class PatchCommandNotFound extends GenericException
 {
     public function __construct()

src/Shell/Command/DriverInterface.php

@@ -10,7 +10,7 @@
 use Magento\CloudPatches\Patch\PatchCommandInterface;
 
 /**
- * Patch driver interface
+ * Patch command driver interface
  */
 interface DriverInterface extends PatchCommandInterface
 {

src/Shell/Command/GitDriver.php

@@ -21,6 +21,9 @@ class GitDriver implements DriverInterface
      */
     private $processFactory;
 
+    /**
+     * @param ProcessFactory $processFactory
+     */
     public function __construct(
         ProcessFactory $processFactory
     ) {

src/Shell/Command/PatchDriver.php

@@ -21,6 +21,9 @@ class PatchDriver implements DriverInterface
      */
     private $processFactory;
 
+    /**
+     * @param ProcessFactory $processFactory
+     */
     public function __construct(
         ProcessFactory $processFactory
     ) {