48 lines
1.6 KiB
Rust
48 lines
1.6 KiB
Rust
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use std::path::PathBuf;
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use std::process::exit;
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use clap::{value_parser, Arg, ArgAction, Command};
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fn applet_commands() -> [Command; 2] {
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[
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Command::new("true").about("does nothing successfully"),
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Command::new("false").about("does nothing unsuccessfully"),
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]
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}
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fn main() {
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let cmd = Command::new(env!("CARGO_CRATE_NAME"))
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.multicall(true)
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.subcommand(
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Command::new("busybox")
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.arg_required_else_help(true)
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.subcommand_value_name("APPLET")
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.subcommand_help_heading("APPLETS")
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.arg(
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Arg::new("install")
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.long("install")
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.help("Install hardlinks for all subcommands in path")
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.exclusive(true)
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.action(ArgAction::Set)
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.default_missing_value("/usr/local/bin")
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.value_parser(value_parser!(PathBuf)),
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)
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.subcommands(applet_commands()),
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)
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.subcommands(applet_commands());
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let matches = cmd.get_matches();
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let mut subcommand = matches.subcommand();
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if let Some(("busybox", cmd)) = subcommand {
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if cmd.contains_id("install") {
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unimplemented!("Make hardlinks to the executable here");
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}
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subcommand = cmd.subcommand();
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}
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match subcommand {
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Some(("false", _)) => exit(1),
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Some(("true", _)) => exit(0),
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_ => unreachable!("parser should ensure only valid subcommand names are used"),
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}
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}
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