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build.rs
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build.rs
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use std::fs;
use std::io::{self, Write};
use std::process::exit;
use structopt::clap::Shell;
include!("src/arg.rs");
fn main() {
match version_check::is_min_version("1.31") {
// rustc >= 1.30
Some((true, _)) => {}
// rustc < 1.20 or can't figure it out
_ => {
writeln!(&mut io::stderr(), "This crate requires rustc >= 1.31").unwrap();
exit(1);
}
}
let var = std::env::var_os("SHELL_COMPLETIONS_DIR").or(std::env::var_os("OUT_DIR"));
let outdir = match var {
None => return,
Some(outdir) => outdir,
};
fs::create_dir_all(&outdir).unwrap();
let mut app = FindOpt::clap();
app.gen_completions("s3find", Shell::Bash, &outdir);
app.gen_completions("s3find", Shell::Fish, &outdir);
app.gen_completions("s3find", Shell::Zsh, &outdir);
app.gen_completions("s3find", Shell::PowerShell, &outdir);
}