use clap::builder::PossibleValue; #[cfg(feature = "unstable-command")] use clap::{FromArgMatches, Subcommand}; use clap_complete::{generate, Generator, Shell}; fn main() { #[cfg(feature = "unstable-dynamic")] clap_complete::CompleteEnv::with_factory(cli).complete(); let matches = cli().get_matches(); if let Some(generator) = matches.get_one::("generate") { let mut cmd = cli(); eprintln!("Generating completion file for {generator}..."); print_completions(*generator, &mut cmd); return; } #[cfg(feature = "unstable-command")] if let Ok(completions) = clap_complete::CompleteCommand::from_arg_matches(&matches) { completions.complete(&mut cli()); return; }; println!("{:?}", matches); } fn print_completions(gen: G, cmd: &mut clap::Command) { generate(gen, cmd, cmd.get_name().to_string(), &mut std::io::stdout()); } #[allow(clippy::let_and_return)] fn cli() -> clap::Command { let cli = clap::Command::new("exhaustive") .version("3.0") .propagate_version(true) .args([ clap::Arg::new("global") .long("global") .global(true) .action(clap::ArgAction::SetTrue) .help("everywhere"), clap::Arg::new("generate") .long("generate") .value_name("SHELL") .value_parser(clap::value_parser!(Shell)) .help("generate"), ]) .subcommands([ clap::Command::new("action").args([ clap::Arg::new("set-true") .long("set-true") .action(clap::ArgAction::SetTrue) .help("bool"), clap::Arg::new("set") .long("set") .action(clap::ArgAction::Set) .help("value"), clap::Arg::new("count") .long("count") .action(clap::ArgAction::Count) .help("number"), clap::Arg::new("choice") .long("choice") .value_parser(["first", "second"]) .help("enum"), ]), clap::Command::new("quote") .args([ clap::Arg::new("single-quotes") .long("single-quotes") .action(clap::ArgAction::SetTrue) .help("Can be 'always', 'auto', or 'never'"), clap::Arg::new("double-quotes") .long("double-quotes") .action(clap::ArgAction::SetTrue) .help("Can be \"always\", \"auto\", or \"never\""), clap::Arg::new("backticks") .long("backticks") .action(clap::ArgAction::SetTrue) .help("For more information see `echo test`"), clap::Arg::new("backslash") .long("backslash") .action(clap::ArgAction::SetTrue) .help("Avoid '\\n'"), clap::Arg::new("brackets") .long("brackets") .action(clap::ArgAction::SetTrue) .help("List packages [filter]"), clap::Arg::new("expansions") .long("expansions") .action(clap::ArgAction::SetTrue) .help("Execute the shell command with $SHELL"), clap::Arg::new("choice") .long("choice") .action(clap::ArgAction::Set) .value_parser(clap::builder::PossibleValuesParser::new([ PossibleValue::new("bash").help("bash (shell)"), PossibleValue::new("fish").help("fish shell"), PossibleValue::new("zsh").help("zsh shell"), ])), ]) .subcommands([ clap::Command::new("cmd-single-quotes") .about("Can be 'always', 'auto', or 'never'"), clap::Command::new("cmd-double-quotes") .about("Can be \"always\", \"auto\", or \"never\""), clap::Command::new("cmd-backticks") .about("For more information see `echo test`"), clap::Command::new("cmd-backslash").about("Avoid '\\n'"), clap::Command::new("cmd-brackets").about("List packages [filter]"), clap::Command::new("cmd-expansions") .about("Execute the shell command with $SHELL"), clap::Command::new("escape-help").about("\\tab\t\"'\nNew Line"), ]), clap::Command::new("value").args([ clap::Arg::new("delim").long("delim").value_delimiter(','), clap::Arg::new("tuple").long("tuple").num_args(2), clap::Arg::new("require-eq") .long("require-eq") .require_equals(true), clap::Arg::new("term").num_args(1..).value_terminator(";"), ]), clap::Command::new("pacman").subcommands([ clap::Command::new("one").long_flag("one").short_flag('o'), clap::Command::new("two").long_flag("two").short_flag('t'), ]), clap::Command::new("last") .args([clap::Arg::new("first"), clap::Arg::new("free").last(true)]), clap::Command::new("alias").args([ clap::Arg::new("flag") .short('f') .visible_short_alias('F') .long("flag") .action(clap::ArgAction::SetTrue) .visible_alias("flg") .help("cmd flag"), clap::Arg::new("option") .short('o') .visible_short_alias('O') .long("option") .visible_alias("opt") .help("cmd option") .action(clap::ArgAction::Set), clap::Arg::new("positional"), ]), clap::Command::new("hint").args([ clap::Arg::new("choice") .long("choice") .action(clap::ArgAction::Set) .value_parser(["bash", "fish", "zsh"]), clap::Arg::new("unknown") .long("unknown") .value_hint(clap::ValueHint::Unknown), clap::Arg::new("other") .long("other") .value_hint(clap::ValueHint::Other), clap::Arg::new("path") .long("path") .short('p') .value_hint(clap::ValueHint::AnyPath), clap::Arg::new("file") .long("file") .short('f') .value_hint(clap::ValueHint::FilePath), clap::Arg::new("dir") .long("dir") .short('d') .value_hint(clap::ValueHint::DirPath), clap::Arg::new("exe") .long("exe") .short('e') .value_hint(clap::ValueHint::ExecutablePath), clap::Arg::new("cmd_name") .long("cmd-name") .value_hint(clap::ValueHint::CommandName), clap::Arg::new("cmd") .long("cmd") .short('c') .value_hint(clap::ValueHint::CommandString), clap::Arg::new("command_with_args") .action(clap::ArgAction::Set) .num_args(1..) .trailing_var_arg(true) .value_hint(clap::ValueHint::CommandWithArguments), clap::Arg::new("user") .short('u') .long("user") .value_hint(clap::ValueHint::Username), clap::Arg::new("host") .short('H') .long("host") .value_hint(clap::ValueHint::Hostname), clap::Arg::new("url") .long("url") .value_hint(clap::ValueHint::Url), clap::Arg::new("email") .long("email") .value_hint(clap::ValueHint::EmailAddress), ]), ]); #[cfg(feature = "unstable-command")] let cli = clap_complete::CompleteCommand::augment_subcommands(cli); cli }