From b524c84ce104b285a0c490c712582b3f28fe12eb Mon Sep 17 00:00:00 2001
From: gitlost <burmartke@gmail.com>
Date: Tue, 11 Jul 2017 04:43:03 +0100
Subject: [PATCH] [Filesystem] mirror - fix copying content with same name as
 source/target.

---
 .../Component/Filesystem/Filesystem.php       |  6 ++-
 .../Filesystem/Tests/FilesystemTest.php       | 47 +++++++++++++++++++
 2 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index bc2e3dcc2d89..b563dcc3751f 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -444,6 +444,7 @@ public function mirror($originDir, $targetDir, \Traversable $iterator = null, $o
     {
         $targetDir = rtrim($targetDir, '/\\');
         $originDir = rtrim($originDir, '/\\');
+        $originDirLen = strlen($originDir);
 
         // Iterate in destination folder to remove obsolete entries
         if ($this->exists($targetDir) && isset($options['delete']) && $options['delete']) {
@@ -452,8 +453,9 @@ public function mirror($originDir, $targetDir, \Traversable $iterator = null, $o
                 $flags = \FilesystemIterator::SKIP_DOTS;
                 $deleteIterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($targetDir, $flags), \RecursiveIteratorIterator::CHILD_FIRST);
             }
+            $targetDirLen = strlen($targetDir);
             foreach ($deleteIterator as $file) {
-                $origin = str_replace($targetDir, $originDir, $file->getPathname());
+                $origin = $originDir.substr($file->getPathname(), $targetDirLen);
                 if (!$this->exists($origin)) {
                     $this->remove($file);
                 }
@@ -475,7 +477,7 @@ public function mirror($originDir, $targetDir, \Traversable $iterator = null, $o
         }
 
         foreach ($iterator as $file) {
-            $target = str_replace($originDir, $targetDir, $file->getPathname());
+            $target = $targetDir.substr($file->getPathname(), $originDirLen);
 
             if ($copyOnWindows) {
                 if (is_file($file)) {
diff --git a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
index b7bdfac4155e..a4d111c218c6 100644
--- a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
+++ b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
@@ -1009,6 +1009,53 @@ public function testMirrorCopiesRelativeLinkedContents()
         $this->assertEquals('\\' === DIRECTORY_SEPARATOR ? realpath($sourcePath.'\nested') : 'nested', readlink($targetPath.DIRECTORY_SEPARATOR.'link1'));
     }
 
+    public function testMirrorContentsWithSameNameAsSourceOrTargetWithoutDeleteOption()
+    {
+        $sourcePath = $this->workspace.DIRECTORY_SEPARATOR.'source'.DIRECTORY_SEPARATOR;
+
+        mkdir($sourcePath);
+        touch($sourcePath.'source');
+        touch($sourcePath.'target');
+
+        $targetPath = $this->workspace.DIRECTORY_SEPARATOR.'target'.DIRECTORY_SEPARATOR;
+
+        $oldPath = getcwd();
+        chdir($this->workspace);
+
+        $this->filesystem->mirror('source', $targetPath);
+
+        chdir($oldPath);
+
+        $this->assertTrue(is_dir($targetPath));
+        $this->assertFileExists($targetPath.'source');
+        $this->assertFileExists($targetPath.'target');
+    }
+
+    public function testMirrorContentsWithSameNameAsSourceOrTargetWithDeleteOption()
+    {
+        $sourcePath = $this->workspace.DIRECTORY_SEPARATOR.'source'.DIRECTORY_SEPARATOR;
+
+        mkdir($sourcePath);
+        touch($sourcePath.'source');
+
+        $targetPath = $this->workspace.DIRECTORY_SEPARATOR.'target'.DIRECTORY_SEPARATOR;
+
+        mkdir($targetPath);
+        touch($targetPath.'source');
+        touch($targetPath.'target');
+
+        $oldPath = getcwd();
+        chdir($this->workspace);
+
+        $this->filesystem->mirror('source', 'target', null, array('delete' => true));
+
+        chdir($oldPath);
+
+        $this->assertTrue(is_dir($targetPath));
+        $this->assertFileExists($targetPath.'source');
+        $this->assertFileNotExists($targetPath.'target');
+    }
+
     /**
      * @dataProvider providePathsForIsAbsolutePath
      */