pkgs/by-name/fu/fupdate/src/main.rs


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use std::process::Command;

use anyhow::{bail, Context, Result};
use clap::{CommandFactory, Parser};

pub mod cli;

use crate::cli::CliArgs;

fn main() -> Result<(), anyhow::Error> {
    clap_complete::CompleteEnv::with_factory(CliArgs::command).complete();

    let args = CliArgs::parse();

    let command = args.command.first().map_or("flake", String::as_str);

    {
        let args = if args.command.len() > 1 {
            &args.command[1..]
        } else {
            &[]
        };

        // println!("Running: `fupdate-{command} {}`", args.join(" "));

        let mut child = Command::new(format!("fupdate-{command}"))
            .args(args)
            .spawn()
            .with_context(|| format!("Failed to spawn `fupdate-{command}`"))?;

        if !child
            .wait()
            .with_context(|| format!("Failed to wait for `fupdate-{command}` to finish"))?
            .success()
        {
            bail!("Command `fupdate-{command} {}` failed!", args.join(" "));
        }
    }

    Ok(())
}

#[test]
fn verify_cli() {
    CliArgs::command().debug_assert();
}