fn run_editor()

in src/main.rs [78:101]

• 23 lines of code
• 5 McCabe index (conditional complexity)

fn run_editor(path: &Path, start_line: usize) -> Result<()> {
    let editor = env::var("EDITOR").unwrap_or_else(|_| String::from("vim"));
    let args: Vec<&str> = editor.split(' ').collect();
    let mut editor_cmd = {
        let mut cmd = Command::new(args[0])
            .args(&args[1..])
            .arg(format!("+{}", start_line))
            .arg(path)
            .spawn()
            .with_context(|| format!("Unable to launch editor {} on path {:?}", editor, path));
        if cfg!(target_os = "windows") && cmd.is_err() {
            // Windows-only fallback to notepad.exe.
            cmd = Command::new("notepad.exe")
                .arg(path)
                .spawn()
                .with_context(|| format!("Unable to launch editor notepad.exe on path {:?}", path));
        }
        cmd?
    };
    editor_cmd
        .wait()
        .context("Error waiting for editor to exit")?;
    Ok(())
}