rc_conf 0.18.0

rc_conf provides rc.conf and rc.d-like data structures for consumption.
Documentation 
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//! ```
//! USAGE: rcinvoke [OPTIONS] <service> [ARGS]
//! ```

use arrrg::CommandLine;

#[derive(Clone, Debug, Eq, PartialEq, arrrg_derive::CommandLine)]
struct Options {
    #[arrrg(
        optional,
        "A colon-separated PATH-like list of rc.conf files to be loaded in order.  Later files override."
    )]
    rc_conf_path: String,
    #[arrrg(
        optional,
        "A colon-separated PATH-like list of rc.d directories to be scanned in order.  Earlier files short-circuit."
    )]
    rc_d_path: String,
}

impl Default for Options {
    fn default() -> Self {
        Self {
            rc_conf_path: "rc.conf".to_string(),
            rc_d_path: "rc.d".to_string(),
        }
    }
}

fn main() {
    let (options, argv) =
        Options::from_command_line_relaxed("USAGE: rcinvoke [OPTIONS] <service> [ARGS]");
    let argv = argv.iter().map(|a| a.as_str()).collect::<Vec<_>>();
    if argv.is_empty() {
        eprintln!("expected service name to be provided");
        std::process::exit(129);
    }
    rc_conf::invoke(
        &options.rc_conf_path,
        &options.rc_d_path,
        argv[0],
        &argv[1..],
    );
}