diff options
| -rw-r--r-- | src/main.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs index dfcdd7b..fb5853c 100644 --- a/src/main.rs +++ b/src/main.rs @@ -49,6 +49,23 @@ async fn main() { } } +fn print_usage() { + println!(r#" +usage: google-calendar-rsvp [options] [-y | -n | -m] [--email] [event_ids...] + +Options: + -y, --yes rsvp with "yes" + -n, --no rsvp with "no" + -m, --maybe rsvp with "maybe" + + --email read a Google Calendar invitation email from stdin + + -v, --verbose enable verbose output + -h, --help print this help menu + -V, --version show the program version +"#); +} + async fn run() -> anyhow::Result<()> { let args: Vec<String> = env::args().collect(); @@ -76,6 +93,16 @@ async fn run() -> anyhow::Result<()> { "-v" | "--verbose" => is_verbose = true, + "-h" | "--help" => { + print_usage(); + process::exit(exitcode::USAGE); + }, + + "-V" | "--version" => { + println!("{}", env!("CARGO_PKG_VERSION")); + process::exit(exitcode::OK); + }, + id => event_ids.push(id), } |