shell completions (via hidden flag)

1 files changed, 15 insertions, 0 deletions

diff --git a/fatcat-cli/src/main.rs b/fatcat-cli/src/main.rs
index 3b4a81b..6e3f2c7 100644
--- a/fatcat-cli/src/main.rs
+++ b/fatcat-cli/src/main.rs
@@ -44,6 +44,12 @@ struct Opt {
     #[structopt(global = true, long, short = "v", parse(from_occurrences))]
     verbose: i8,
 
+    #[structopt(long = "--shell-completions", hidden = true)]
+    shell_completions: Option<structopt::clap::Shell>,
+
+    #[structopt(long = "--meow", hidden = true)]
+    meow: bool,
+
     #[structopt(subcommand)]
     cmd: Command,
 }
@@ -288,6 +294,15 @@ fn main() -> Result<()> {
     #[cfg(windows)]
     colored_json::enable_ansi_support();
 
+    if let Some(shell) = opt.shell_completions {
+        Opt::clap().gen_completions_to("fatcat-cli", shell, &mut std::io::stdout());
+        std::process::exit(0);
+    }
+    if opt.meow {
+        println!("meow meow");
+        std::process::exit(0);
+    }
+
     if let Err(err) = run(opt) {
         // Be graceful about some errors
         if let Some(io_err) = err.root_cause().downcast_ref::<std::io::Error>() {