schematics/src/bin.rs

use std::env;
use std::process::exit;

pub fn schematics_main(run: &dyn Fn(bool) -> Result<(), ()>) {
  let args: Box<[String]> = env::args().collect();
  let dry_run = match args.len() {
    1 => false,
    2 => {
      if args[1] == "--dry-run" {
        true
      } else {
        panic!()
      }
    }
    _ => panic!(),
  };

  exit(match run(dry_run) {
    Ok(_) => 0,
    Err(_) => 1,
  });
}