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use std::path::PathBuf;
use clap::{arg, Command};
fn main() {
let matches = Command::new("git")
.about("A fictional versioning CLI")
.subcommand_required(true)
.arg_required_else_help(true)
.allow_external_subcommands(true)
.allow_invalid_utf8_for_external_subcommands(true)
.subcommand(
Command::new("clone")
.about("Clones repos")
.arg(arg!(<REMOTE> "The remote to clone"))
.arg_required_else_help(true),
)
.subcommand(
Command::new("push")
.about("pushes things")
.arg(arg!(<REMOTE> "The remote to target"))
.arg_required_else_help(true),
)
.subcommand(
Command::new("add")
.about("adds things")
.arg_required_else_help(true)
.arg(arg!(<PATH> ... "Stuff to add").allow_invalid_utf8(true)),
)
.get_matches();
match matches.subcommand() {
Some(("clone", sub_matches)) => {
println!(
"Cloning {}",
sub_matches.value_of("REMOTE").expect("required")
);
}
Some(("push", sub_matches)) => {
println!(
"Pushing to {}",
sub_matches.value_of("REMOTE").expect("required")
);
}
Some(("add", sub_matches)) => {
let paths = sub_matches
.values_of_os("PATH")
.unwrap_or_default()
.map(PathBuf::from)
.collect::<Vec<_>>();
println!("Adding {:?}", paths);
}
Some((ext, sub_matches)) => {
let args = sub_matches
.values_of_os("")
.unwrap_or_default()
.collect::<Vec<_>>();
println!("Calling out to {:?} with {:?}", ext, args);
}
_ => unreachable!(),
}
}