use clap::ValueEnum;
use clap_complete::{generate_to, Shell};
use std::env::var_os;
use std::fs::create_dir;
use std::io::Error;
use std::path::Path;
include!("src/command.rs");
fn main() -> Result<(), Error> {
println!("cargo::rerun-if-changed=src/");
println!("cargo::rerun-if-changed=build.rs");
println!("cargo::rerun-if-changed=Cargo.toml");
if std::env::var("CARGO_FEATURE_SHELLINSTALL").is_ok() {
println!("cargo::warning=shellinstall");
build_completion()?;
build_man()?;
}
Ok(())
}
fn build_completion() -> Result<(), Error> {
let outdir = match var_os("CARGO_MANIFEST_DIR") {
None => return Ok(()),
Some(outdir) => Path::new(&outdir).join("completion/"),
};
if !outdir.exists() {
create_dir(&outdir).unwrap();
}
let mut command = get_cli_command();
for &shell in Shell::value_variants() {
generate_to(shell, &mut command, "tex-fmt", &outdir)?;
}
Ok(())
}
fn build_man() -> Result<(), Error> {
let outdir = match var_os("CARGO_MANIFEST_DIR") {
None => return Ok(()),
Some(outdir) => Path::new(&outdir).join("man/"),
};
if !outdir.exists() {
create_dir(&outdir).unwrap();
}
let command = get_cli_command();
let man = clap_mangen::Man::new(command);
let mut buffer: Vec<u8> = Default::default();
man.render(&mut buffer)?;
std::fs::write(outdir.join("tex-fmt.1"), buffer)?;
Ok(())
}