mirror of
https://github.com/clap-rs/clap
synced 2024-12-14 06:42:33 +00:00
66 lines
2.1 KiB
Rust
66 lines
2.1 KiB
Rust
// Note: this requires the `cargo` feature
|
|
|
|
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!(), // If all subcommands are defined above, anything else is unreachabe!()
|
|
}
|
|
|
|
// Continued program logic goes here...
|
|
}
|