module cli

fn version_flag(with_abbrev bool) Flag {
    sabbrev := if with_abbrev { 'v' } else { '' }
    return Flag{
        flag: .bool
        name: 'version'
        abbrev: sabbrev
        description: 'Prints version information.'
    }
}

fn version_cmd() Command {
    return Command{
        name: 'version'
        description: 'Prints version information.'
        execute: version_func
    }
}

fn version_func(version_cmd Command) ! {
    cmd := version_cmd.parent
    version := '${cmd.name} version ${cmd.version}'
    println(version)
}