Fix copying vendored files when they are symbolic links (#183)

Co-authored-by: alikates <[email protected]>

src/cmd/vendor.rs

@@ -757,14 +757,18 @@ pub fn copy_recursively(
         }
 
         let filetype = entry.file_type()?;
+        let canonical_path_filetype =
+            std::fs::metadata(std::fs::canonicalize(entry.path()).unwrap())
+                .unwrap()
+                .file_type();
         if filetype.is_dir() {
             copy_recursively(
                 entry.path(),
                 destination.as_ref().join(entry.file_name()),
                 includes,
                 ignore,
             )?;
-        } else if filetype.is_symlink() {
+        } else if filetype.is_symlink() && canonical_path_filetype.is_dir() {
             let orig = std::fs::read_link(entry.path());
             symlink_dir(orig.unwrap(), destination.as_ref().join(entry.file_name()))?;
         } else {