rustfmt does not handle macros nicely example

remove_dir_safe.rs

    fn remove_dir_safe(&self, output_path: &Path) -> Result<()> {
        if !output_path.exists() {
            return Ok(());
        }

        const MAX_UNKNOWN_FILES: usize = 5;
        let mut unknown_files = vec![];
        for entry in walkdir::WalkDir::new(output_path) {
            if unknown_files.len() > MAX_UNKNOWN_FILES {
                break;
            }
            let path = entry?.into_path();
            if self.files.contains_key(&path) {
                continue;
            }
            unknown_files.push(path);
        }
        match unknown_files.len() {
            0 => (),
            1 => anyhow::bail!(
                "directory contains unmanaged file\n\n\
                The output directory contains a file that BAML did not generate. Please remove it and re-run codegen.\n\n\
                Output directory: {:?}\n\
                File: {:?}",
                output_path,
                unknown_files[0]
            ),
            n => if n < MAX_UNKNOWN_FILES {
                    anyhow::bail!(
                    "directory contains unmanaged files\n\n\
                    The output directory contains {n} files that BAML did not generate. Please remove them and re-run codegen.\n\n\
                    Output directory: {:?}\n\
                    Files:\n{:?}",
                    output_path,
                    unknown_files.iter().map(|p| format!("  - {}", p.display())).collect::<Vec<_>>().join("\n")
                )
            } else {
                anyhow::bail!(
                "directory contains unmanaged files\n\n\
                The output directory contains at least {n} files that BAML did not generate. Please remove all files not generated by BAML and re-run codegen.\n\n\
                Output directory: {:?}\n\
                Files:\n{:?}",
                output_path,
                unknown_files.iter().map(|p| format!("  - {}", p.display())).collect::<Vec<_>>().join("\n")
            )
        },
        }
        std::fs::remove_dir_all(output_path)?;
        Ok(())
    }