warcat/build.rs

57 lines
1.3 KiB
Rust

// use clap::{ArgEnum, IntoApp};
use clap::{CommandFactory, ValueEnum};
use clap_complete::generate_to;
use clap_complete::Shell;
use clap_mangen::Man;
use std::{
env,
fs::File,
io::Error,
path::{Path, PathBuf},
};
include!("src/cli.rs");
fn build_shell_completion(outdir: &Path) -> Result<(), Error> {
let mut app = Cli::command();
let shells = Shell::value_variants();
for shell in shells {
generate_to(*shell, &mut app, "warcat", &outdir)?;
}
Ok(())
}
fn build_manpages(outdir: &Path) -> Result<(), Error> {
let app = Cli::command();
let file = Path::new(&outdir).join("warcat.1");
let mut file = File::create(&file)?;
Man::new(app).render(&mut file)?;
Ok(())
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
println!("cargo:rerun-if-changed=src/cli.rs");
println!("cargo:rerun-if-changed=man");
let outdir = match env::var_os("OUT_DIR") {
None => return Ok(()),
Some(outdir) => outdir,
};
// Create `target/assets/` folder.
let out_path = PathBuf::from(outdir);
let mut path = out_path.ancestors().nth(4).unwrap().to_owned();
path.push("assets");
std::fs::create_dir_all(&path).unwrap();
build_shell_completion(&path)?;
build_manpages(&path)?;
Ok(())
}