X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/5543d1b55a2a485f2aaf32156ea97f4728264137..9bd4134f3138448eb92af7031d994b2cec7d08ad:/src/black/__init__.py

diff --git a/src/black/__init__.py b/src/black/__init__.py
index fa918ce..405a010 100644
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -246,6 +246,14 @@ def validate_regex(
         " Currently disabled because it leads to some crashes."
     ),
 )
+@click.option(
+    "--preview",
+    is_flag=True,
+    help=(
+        "Enable potentially disruptive style changes that will be added to Black's main"
+        " functionality in the next major release."
+    ),
+)
 @click.option(
     "--check",
     is_flag=True,
@@ -399,6 +407,7 @@ def main(
     skip_string_normalization: bool,
     skip_magic_trailing_comma: bool,
     experimental_string_processing: bool,
+    preview: bool,
     quiet: bool,
     verbose: bool,
     required_version: Optional[str],
@@ -469,6 +478,7 @@ def main(
         string_normalization=not skip_string_normalization,
         magic_trailing_comma=not skip_magic_trailing_comma,
         experimental_string_processing=experimental_string_processing,
+        preview=preview,
     )
 
     if code is not None: