Less scary ruff format message (#7867)

crates/ruff_cli/src/lib.rs

@@ -6,6 +6,7 @@ use std::sync::mpsc::channel;
 
 use anyhow::Result;
 use clap::CommandFactory;
+use colored::Colorize;
 use log::warn;
 use notify::{recommended_watcher, RecursiveMode, Watcher};
 
@@ -104,8 +105,6 @@ pub fn run(
     }: Args,
 ) -> Result<ExitStatus> {
     {
-        use colored::Colorize;
-
         let default_panic_hook = std::panic::take_hook();
         std::panic::set_hook(Box::new(move |info| {
             #[allow(clippy::print_stderr)]
@@ -166,10 +165,7 @@ pub fn run(
 }
 
 fn format(args: FormatCommand, log_level: LogLevel) -> Result<ExitStatus> {
-    warn_user_once!(
+    warn_user_once!("`ruff format` is not yet stable, and subject to change in future versions.");
-        "`ruff format` is a work-in-progress, subject to change at any time, and intended only for \
-        experimentation."
-    );
 
     let (cli, overrides) = args.partition();
 

crates/ruff_cli/tests/format.rs

@@ -39,7 +39,7 @@ if condition:
         print('Hy "Micha"')  # Should not change quotes
 
     ----- stderr -----
-    warning: `ruff format` is a work-in-progress, subject to change at any time, and intended only for experimentation.
+    warning: `ruff format` is not yet stable, and subject to change in future versions.
     "###);
 }
 
@@ -83,7 +83,7 @@ if condition:
     	print('Should change quotes')
 
     ----- stderr -----
-    warning: `ruff format` is a work-in-progress, subject to change at any time, and intended only for experimentation.
+    warning: `ruff format` is not yet stable, and subject to change in future versions.
     "###);
     Ok(())
 }
@@ -139,7 +139,7 @@ if condition:
     	print('Should change quotes')
 
     ----- stderr -----
-    warning: `ruff format` is a work-in-progress, subject to change at any time, and intended only for experimentation.
+    warning: `ruff format` is not yet stable, and subject to change in future versions.
     "###);
     Ok(())
 }

crates/ruff_cli/tests/integration_test.rs

@@ -485,7 +485,7 @@ fn stdin_format_jupyter() {
     }
 
     ----- stderr -----
-    warning: `ruff format` is a work-in-progress, subject to change at any time, and intended only for experimentation.
+    warning: `ruff format` is not yet stable, and subject to change in future versions.
     "###);
 }