Function main

prqlc/prqlc/src/cli/mod.rs:46–85

Entrypoint called by [`crate::main`]

()

/// Entrypoint called by [`crate::main`]
pub fn main() -> color_eyre::eyre::Result<()> {
    let cli = Cli::parse();

    // redirect all log messages into the [debug::DebugLog]
    if has_debug_log(&cli) {
        static LOGGER: debug::MessageLogger = debug::MessageLogger;
        log::set_logger(&LOGGER)
            .map(|()| log::set_max_level(log::LevelFilter::max()))
            .unwrap();
    }

    color_eyre::install()?;
    cli.color.write_global();

    if let Some(mut subcommand) = cli.command {
        if let Err(error) = subcommand.run() {
            eprintln!("{error}");
            // Copied from
            // https://doc.rust-lang.org/src/std/backtrace.rs.html#1-504, since it's private
            fn backtrace_enabled() -> bool {
                match env::var("RUST_LIB_BACKTRACE") {
                    Ok(s) => s != "0",
                    Err(_) => match env::var("RUST_BACKTRACE") {
                        Ok(s) => s != "0",
                        Err(_) => false,
                    },
                }
            }
            if backtrace_enabled() {
                eprintln!("{:#}", error.backtrace());
            }

            exit(1)
        }
    } else {
        Cli::command().print_help()?;
    }

    Ok(())
}

#[derive(Parser, Debug, Clone)]
struct Cli {