Add option to keep Files in Rollback

lib/internal/Magento/Framework/Backup/AbstractBackup.php

@@ -5,12 +5,15 @@
  */
 namespace Magento\Framework\Backup;
 
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Phrase;
+
 /**
  * Class to work with archives
  *
  * @api
  */
-abstract class AbstractBackup implements BackupInterface
+abstract class AbstractBackup implements BackupInterface, SourceFileInterface
 {
     /**
      * Backup name
@@ -68,6 +71,13 @@ abstract class AbstractBackup implements BackupInterface
      */
     protected $_lastErrorMessage;
 
+    /**
+     * Keep Source files in Backup
+     *
+     * @var boolean
+     */
+    private $keepSourceFile;
+
     /**
      * Set Backup Extension
      *
@@ -138,14 +148,14 @@ public function getTime()
      * Set root directory of Magento installation
      *
      * @param string $rootDir
-     * @throws \Magento\Framework\Exception\LocalizedException
+     * @throws LocalizedException
      * @return $this
      */
     public function setRootDir($rootDir)
     {
         if (!is_dir($rootDir)) {
-            throw new \Magento\Framework\Exception\LocalizedException(
-                new \Magento\Framework\Phrase('Bad root directory')
+            throw new LocalizedException(
+                new Phrase('Bad root directory')
             );
         }
 
@@ -296,4 +306,26 @@ protected function _filterName($name)
 
         return $name;
     }
+
+    /**
+     * Check if keep files of backup
+     *
+     * @return bool
+     */
+    public function keepSourceFile()
+    {
+        return $this->keepSourceFile;
+    }
+
+    /**
+     * Set if keep files of backup
+     *
+     * @param bool $keepSourceFile
+     * @return $this
+     */
+    public function setKeepSourceFile(bool $keepSourceFile)
+    {
+        $this->keepSourceFile = $keepSourceFile;
+        return $this;
+    }
 }

lib/internal/Magento/Framework/Backup/Archive/Tar.php

@@ -11,6 +11,10 @@
  */
 namespace Magento\Framework\Backup\Archive;
 
+use Magento\Framework\Backup\Filesystem\Iterator\Filter;
+use RecursiveDirectoryIterator;
+use RecursiveIteratorIterator;
+
 class Tar extends \Magento\Framework\Archive\Tar
 {
     /**
@@ -35,12 +39,12 @@ protected function _createTar($skipRoot = false, $finalize = false)
     {
         $path = $this->_getCurrentFile();
 
-        $filesystemIterator = new \RecursiveIteratorIterator(
-            new \RecursiveDirectoryIterator($path),
-            \RecursiveIteratorIterator::SELF_FIRST
+        $filesystemIterator = new RecursiveIteratorIterator(
+            new RecursiveDirectoryIterator($path),
+            RecursiveIteratorIterator::SELF_FIRST
         );
 
-        $iterator = new \Magento\Framework\Backup\Filesystem\Iterator\Filter(
+        $iterator = new Filter(
             $filesystemIterator,
             $this->_skipFiles
         );

lib/internal/Magento/Framework/Backup/Db.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Framework\Backup;
 
+use Magento\Framework\Archive;
+use Magento\Framework\Backup\Db\BackupFactory;
+use Magento\Framework\Backup\Filesystem\Iterator\File;
+
 /**
  * Class to work with database backups
  *
@@ -14,14 +18,14 @@
 class Db extends AbstractBackup
 {
     /**
-     * @var \Magento\Framework\Backup\Db\BackupFactory
+     * @var BackupFactory
      */
     protected $_backupFactory;
 
     /**
-     * @param \Magento\Framework\Backup\Db\BackupFactory $backupFactory
+     * @param BackupFactory $backupFactory
      */
-    public function __construct(\Magento\Framework\Backup\Db\BackupFactory $backupFactory)
+    public function __construct(BackupFactory $backupFactory)
     {
         $this->_backupFactory = $backupFactory;
     }
@@ -38,14 +42,16 @@ public function rollback()
 
         $this->_lastOperationSucceed = false;
 
-        $archiveManager = new \Magento\Framework\Archive();
+        $archiveManager = new Archive();
         $source = $archiveManager->unpack($this->getBackupPath(), $this->getBackupsDir());
 
-        $file = new \Magento\Framework\Backup\Filesystem\Iterator\File($source);
+        $file = new File($source);
         foreach ($file as $statement) {
             $this->getResourceModel()->runCommand($statement);
         }
-        @unlink($source);
+        if ($this->keepSourceFile() === false) {
+            @unlink($source);
+        }
 
         $this->_lastOperationSucceed = true;
 

lib/internal/Magento/Framework/Backup/Db/BackupFactory.php

@@ -6,6 +6,8 @@
 
 namespace Magento\Framework\Backup\Db;
 
+use Magento\Framework\ObjectManagerInterface;
+
 /**
  * @api
  */
@@ -14,33 +16,33 @@ class BackupFactory
     /**
      * Object manager
      *
-     * @var \Magento\Framework\ObjectManagerInterface
+     * @var ObjectManagerInterface
      */
-    private $_objectManager;
+    private $objectManager;
 
     /**
      * @var string
      */
-    private $_backupInstanceName;
+    private $backupInstanceName;
 
     /**
      * @var string
      */
-    private $_backupDbInstanceName;
+    private $backupDbInstanceName;
 
     /**
-     * @param \Magento\Framework\ObjectManagerInterface $objectManager
+     * @param ObjectManagerInterface $objectManager
      * @param string $backupInstanceName
      * @param string $backupDbInstanceName
      */
     public function __construct(
-        \Magento\Framework\ObjectManagerInterface $objectManager,
+        ObjectManagerInterface $objectManager,
         $backupInstanceName,
         $backupDbInstanceName
     ) {
-        $this->_objectManager = $objectManager;
-        $this->_backupInstanceName = $backupInstanceName;
-        $this->_backupDbInstanceName = $backupDbInstanceName;
+        $this->objectManager        = $objectManager;
+        $this->backupInstanceName   = $backupInstanceName;
+        $this->backupDbInstanceName = $backupDbInstanceName;
     }
 
     /**
@@ -51,7 +53,7 @@ public function __construct(
      */
     public function createBackupModel(array $arguments = [])
     {
-        return $this->_objectManager->create($this->_backupInstanceName, $arguments);
+        return $this->objectManager->create($this->backupInstanceName, $arguments);
     }
 
     /**
@@ -62,6 +64,6 @@ public function createBackupModel(array $arguments = [])
      */
     public function createBackupDbModel(array $arguments = [])
     {
-        return $this->_objectManager->create($this->_backupDbInstanceName, $arguments);
+        return $this->objectManager->create($this->backupDbInstanceName, $arguments);
     }
 }

lib/internal/Magento/Framework/Backup/Factory.php

@@ -9,6 +9,10 @@
  */
 namespace Magento\Framework\Backup;
 
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\ObjectManagerInterface;
+use Magento\Framework\Phrase;
+
 /**
  * @api
  */
@@ -17,7 +21,7 @@ class Factory
     /**
      * Object manager
      *
-     * @var \Magento\Framework\ObjectManagerInterface
+     * @var ObjectManagerInterface
      */
     private $_objectManager;
 
@@ -54,9 +58,9 @@ class Factory
     protected $_allowedTypes;
 
     /**
-     * @param \Magento\Framework\ObjectManagerInterface $objectManager
+     * @param ObjectManagerInterface $objectManager
      */
-    public function __construct(\Magento\Framework\ObjectManagerInterface $objectManager)
+    public function __construct(ObjectManagerInterface $objectManager)
     {
         $this->_objectManager = $objectManager;
         $this->_allowedTypes = [
@@ -73,13 +77,13 @@ public function __construct(\Magento\Framework\ObjectManagerInterface $objectMan
      *
      * @param string $type
      * @return BackupInterface
-     * @throws \Magento\Framework\Exception\LocalizedException
+     * @throws LocalizedException
      */
     public function create($type)
     {
         if (!in_array($type, $this->_allowedTypes)) {
-            throw new \Magento\Framework\Exception\LocalizedException(
-                new \Magento\Framework\Phrase(
+            throw new LocalizedException(
+                new Phrase(
                     'Current implementation not supported this type (%1) of backup.',
                     [$type]
                 )