Fix ignore list

Files inside a .git/ folder were being removed
even with FREEZER_DESTINATION_IGNORE set.

docs/index.rst

@@ -266,7 +266,7 @@ are accepted:
     As in ``.gitignore`` files,
     patterns apply to the whole path if they contain a slash ``/``,
     to each slash-separated part otherwise.
-    For example, this could be set to ``['.git*']``
+    For example, this could be set to ``['*.git*']``
     if the destination is a git repository.
 
     .. versionadded:: 0.10

flask_frozen/__init__.py

@@ -428,16 +428,20 @@ def walk_directory(root, ignore=()):
 
     """
     for dir, dirs, filenames in os.walk(root):
-        for filename in filenames:
-            path = str((Path(dir) / filename).relative_to(root))
-            if os.sep != '/':
-                path = path.replace(os.sep, '/')
-            for pattern in ignore:
-                if fnmatch(path if '/' in pattern else filename, pattern):
-                    break
-            else:
-                # See https://github.com/SimonSapin/Frozen-Flask/issues/5
-                yield normalize('NFC', path)
+        for pattern in ignore:
+            if fnmatch(dir, pattern):
+                break
+        else:
+            for filename in filenames:
+                path = str((Path(dir) / filename).relative_to(root))
+                if os.sep != '/':
+                    path = path.replace(os.sep, '/')
+                for pattern in ignore:
+                    if fnmatch(path if '/' in pattern else filename, pattern):
+                        break
+                else:
+                    # See https://github.com/SimonSapin/Frozen-Flask/issues/5
+                    yield normalize('NFC', path)
 
 
 @contextmanager

tests/test_frozen_flask.py

@@ -45,6 +45,20 @@ def test_walk_directory():
     assert {
         filename for filename in walk_directory(directory)
         if not filename.endswith(('.pyc', '.pyo', '.css'))} == paths
+
+    git_dir = directory / '.git'
+    git_dir.mkdir()
+    git_file = git_dir / 'keep'
+    with git_file.open('w') as keep_file:
+        keep_file.write('keep')
+    try:
+        found = set(
+            walk_directory(directory, ('*.git', '*.pyc', '*.pyo', '*.css'))
+        )
+        assert found == paths
+    finally:
+        git_file.unlink()
+        git_dir.rmdir()
 
 
 def test_warnings_share_common_superclass():