refactor: use "physicalFilename" and "cwd" directly

Author: dukeluo

lib/utils/filename.js

@@ -92,8 +92,8 @@ const removeDriveLetter = (p) => p.replace(WINDOWS_DRIVE_LETTER_REGEXP, '');
  */
 const getFilePath = (context) => {
   const pathFromRoot = getPathFromRepositoryRoot(
-    context.getPhysicalFilename(),
-    context.getCwd()
+    context.physicalFilename || context.getPhysicalFilename(),
+    context.cwd || context.getCwd()
   );
 
   return pipe(removeDriveLetter, toPosixPath)(pathFromRoot);