schematics/src/bin.rs

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

pub fn schematics_main(run: &Fn (bool) -> Result<(), ()>) {
  let args: Vec<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 });
}