Merge pull request #801 from pre-commit/node_lives_again

asottile · web-flow · commit f2da2c435c11 · 2018-07-18T19:07:02.000-07:00
Revert "Merge pull request #799 from pre-commit/temporarily_skip_npm_windows"
diff --git a/testing/util.py b/testing/util.py
@@ -48,7 +48,16 @@ def cmd_output_mocked_pre_commit_home(*args, **kwargs):
 def broken_deep_listdir():  # pragma: no cover (platform specific)
     if sys.platform != 'win32':
         return False
-    return True  # see #798
+    try:
+        os.listdir(str('\\\\?\\') + os.path.abspath(str('.')))
+    except OSError:
+        return True
+    try:
+        os.listdir(b'\\\\?\\C:' + b'\\' * 300)
+    except TypeError:
+        return True
+    except OSError:
+        return False
 
 
 xfailif_broken_deep_listdir = pytest.mark.xfail(
