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Create --preview CLI flag (#2752)
[etc/vim.git] / src / black / __init__.py
index fa918ce293172239fb87db2e0bfb600e836494d0..405a01082e7877d828691dd88be8f40e9e6b358e 100644 (file)
@@ -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: