Merge pull request #174 from bukzor/buck-172-error-clobbering

fix error clobbering

pre_commit/clientlib/validate_base.py

@@ -44,14 +44,14 @@ def get_validator(
             obj = load_strategy(file_contents)
         except Exception as e:
             raise exception_type(
-                'File {0} is not a valid yaml file'.format(filename), e,
+                'Invalid yaml: {0}\n{1}'.format(os.path.relpath(filename), e),
             )
 
         try:
             jsonschema.validate(obj, json_schema)
         except jsonschema.exceptions.ValidationError as e:
             raise exception_type(
-                'File {0} is not a valid file'.format(filename), e,
+                'Invalid content: {0}\n{1}'.format(os.path.relpath(filename), e),
             )
 
         obj = apply_defaults(obj, json_schema)

tox.ini

@@ -23,3 +23,6 @@ deps =
     sphinx
 changedir = docs
 commands = sphinx-build -b html -d build/doctrees source build/html
+
+[flake8]
+max-line-length=131