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use clap::builder::PossibleValue;
#[cfg(feature = "unstable-dynamic")]
use clap::{FromArgMatches, Subcommand};
use clap_complete::{generate, Generator, Shell};
fn main() {
let matches = cli().get_matches();
if let Some(generator) = matches.get_one::<Shell>("generate") {
let mut cmd = cli();
eprintln!("Generating completion file for {generator}...");
print_completions(*generator, &mut cmd);
return;
}
#[cfg(feature = "unstable-dynamic")]
if let Ok(completions) =
clap_complete::dynamic::shells::CompleteCommand::from_arg_matches(&matches)
{
completions.complete(&mut cli());
return;
};
println!("{:?}", matches);
}
fn print_completions<G: Generator>(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-dynamic")]
let cli = clap_complete::dynamic::shells::CompleteCommand::augment_subcommands(cli);
cli
}
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