//! Generates shell completions and a man page for `cbd` from its top-level
//! clap command (architecture/cli.md D7). Written into `OUT_DIR` every build,
//! and additionally into `$CBD_ASSET_DIR` when set. `cbd-cli` is a
//! default-features (clap-only) build-dependency, so this never pulls tonic
//! into ordinary builds.

use std::path::Path;

fn main() {
    use clap::CommandFactory;
    println!("cargo:rerun-if-env-changed=CBD_ASSET_DIR");
    let bin = "cbd";
    let command = cbd_cli::CbdCli::command();
    let out_dir = std::env::var("OUT_DIR").expect("OUT_DIR is set for build scripts");
    if let Err(err) = cbd_cli::generate_assets(command.clone(), bin, Path::new(&out_dir)) {
        println!("cargo:warning=cannot generate CLI assets into OUT_DIR: {err}");
    }
    if let Some(asset_dir) = std::env::var_os("CBD_ASSET_DIR") {
        if let Err(err) = cbd_cli::generate_assets(command, bin, Path::new(&asset_dir)) {
            println!("cargo:warning=cannot generate CLI assets into CBD_ASSET_DIR: {err}");
        }
    }
}