[Filesystem] Safeguard (sym)link calls

derrabus · derrabus · commit 67df83cc00eb · 2022-05-19T13:15:43.000+02:00
diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -338,7 +338,7 @@ public function symlink($originDir, $targetDir, $copyOnWindows = false)
             $this->remove($targetDir);
         }
 
-        if (!self::box('symlink', $originDir, $targetDir)) {
+        if (!\function_exists('symlink') || !self::box('symlink', $originDir, $targetDir)) {
             $this->linkException($originDir, $targetDir, 'symbolic');
         }
     }
@@ -370,7 +370,7 @@ public function hardlink($originFile, $targetFiles)
                 $this->remove($targetFile);
             }
 
-            if (!self::box('link', $originFile, $targetFile)) {
+            if (!\function_exists('link') || !self::box('link', $originFile, $targetFile)) {
                 $this->linkException($originFile, $targetFile, 'hard');
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -338,7 +338,7 @@ public function symlink($originDir, $targetDir, $copyOnWindows = false)`
`338`	`338`	`$this->remove($targetDir);`
`339`	`339`	`}`
`340`	`340`
`341`		`- if (!self::box('symlink', $originDir, $targetDir)) {`
	`341`	`+ if (!\function_exists('symlink') \|\| !self::box('symlink', $originDir, $targetDir)) {`
`342`	`342`	`$this->linkException($originDir, $targetDir, 'symbolic');`
`343`	`343`	`}`
`344`	`344`	`}`
`@@ -370,7 +370,7 @@ public function hardlink($originFile, $targetFiles)`
`370`	`370`	`$this->remove($targetFile);`
`371`	`371`	`}`
`372`	`372`
`373`		`- if (!self::box('link', $originFile, $targetFile)) {`
	`373`	`+ if (!\function_exists('link') \|\| !self::box('link', $originFile, $targetFile)) {`
`374`	`374`	`$this->linkException($originFile, $targetFile, 'hard');`
`375`	`375`	`}`
`376`	`376`	`}`