nix-init/build.rs at main · jfly/nix-init

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use std::{

env,

fs::{File, create_dir_all},

path::Path,

};

use clap::{CommandFactory, ValueEnum};

use clap_complete::{Shell, generate_to};

use clap_mangen::Man;

mod cli {

include!("src/cli.rs");

}

fn main() {

println!("cargo:rerun-if-env-changed=GEN_ARTIFACTS");

println!("cargo:rustc-cfg=not_build");

if let Some(dir) = env::var_os("GEN_ARTIFACTS") {

let out = &Path::new(&dir);

create_dir_all(out).unwrap();

let cmd = &mut cli::Opts::command();

Man::new(cmd.clone())

.render(&mut File::create(out.join("nix-init.1")).unwrap())

.unwrap();

for shell in Shell::value_variants() {

generate_to(*shell, cmd, "nix-init", out).unwrap();

}