Issue 68, Not found .json (settings) at first run for Tar backup.

src/Backup/Destination/Base.php

@@ -40,7 +40,11 @@ public function canAccess();
      */
     public function listContents($dir = '', $recursive = false);
 
+    /**
+     * @param string $file The path to the file.
+     * @return string|false The file contents or false on failure.
+     */
     public function read($file);
 
     public function write($filename, $contents);
-}
+}

src/Backup/Destination/Local.php

@@ -50,7 +50,11 @@ public function canAccess()
 
     public function read($file)
     {
-        return $this->filesystem->read($file);
+        try {
+            return $this->filesystem->read($file);
+        } catch (\League\Flysystem\FileNotFoundException $e) {
+            return false;
+        }
     }
 
     public function listContents($dir = '', $recursive = false)
@@ -65,4 +69,4 @@ public function write($filename, $contents)
         }
         return $this->filesystem->put($filename, $contents);
     }
-}
+}

src/Backup/Tools/Tar.php

@@ -341,4 +341,4 @@ public function getOutput()
     {
         return $this->_output;
     }
-}
+}