cargo/
cargo.rs

1use docopt::Docopt;
2use serde::Deserialize;
3
4// Write the Docopt usage string.
5const USAGE: &'static str = "
6Rust's package manager
7
8Usage:
9    cargo <command> [<args>...]
10    cargo [options]
11
12Options:
13    -h, --help       Display this message
14    -V, --version    Print version info and exit
15    --list           List installed commands
16    -v, --verbose    Use verbose output
17
18Some common cargo commands are:
19    build       Compile the current project
20    clean       Remove the target directory
21    doc         Build this project's and its dependencies' documentation
22    new         Create a new cargo project
23    run         Build and execute src/main.rs
24    test        Run the tests
25    bench       Run the benchmarks
26    update      Update dependencies listed in Cargo.lock
27
28See 'cargo help <command>' for more information on a specific command.
29";
30
31#[derive(Debug, Deserialize)]
32struct Args {
33    arg_command: Option<Command>,
34    arg_args: Vec<String>,
35    flag_list: bool,
36    flag_verbose: bool,
37}
38
39#[derive(Debug, Deserialize)]
40enum Command {
41    Build,
42    Clean,
43    Doc,
44    New,
45    Run,
46    Test,
47    Bench,
48    Update,
49}
50
51fn main() {
52    let args: Args = Docopt::new(USAGE)
53        .and_then(|d| d.options_first(true).deserialize())
54        .unwrap_or_else(|e| e.exit());
55    println!("{:?}", args);
56}
cargo/cargo.rs

cargo/
cargo.rs
