zoxide/build.rs
2021-06-10 08:45:59 +05:30

56 lines
1.8 KiB
Rust

use std::env;
use std::process::Command;
fn git_version() -> Option<String> {
let mut git = Command::new("git");
git.args(&["describe", "--tags", "--broken"]);
let output = git.output().ok()?;
if !output.status.success() || output.stdout.is_empty() || !output.stderr.is_empty() {
return None;
}
String::from_utf8(output.stdout).ok()
}
fn crate_version() -> String {
// unwrap is safe here, since Cargo will always supply this variable.
format!("v{}", env::var("CARGO_PKG_VERSION").unwrap())
}
fn generate_completions() {
#[path = "src/app/_app.rs"]
mod app;
use app::App;
use clap::IntoApp;
use clap_generate::generate_to;
use clap_generate::generators::{Bash, Elvish, Fish, PowerShell, Zsh};
let app = &mut App::into_app();
let bin_name = &env::var("CARGO_PKG_NAME").unwrap();
let out_dir = "contrib/completions";
generate_to::<Bash, _, _>(app, bin_name, out_dir);
generate_to::<Elvish, _, _>(app, bin_name, out_dir);
generate_to::<Fish, _, _>(app, bin_name, out_dir);
generate_to::<PowerShell, _, _>(app, bin_name, out_dir);
generate_to::<Zsh, _, _>(app, bin_name, out_dir);
}
fn main() {
// Packaged releases of zoxide almost always use the source tarball
// provided by GitHub, which does not include the `.git` folder. Since this
// feature is only useful for development, we can silently fall back to
// using the crate version.
let version = git_version().unwrap_or_else(crate_version);
println!("cargo:rustc-env=ZOXIDE_VERSION={}", version);
// Since we are generating completions in the package directory, we need to
// set this so that Cargo doesn't rebuild every time.
println!("cargo:rerun-if-changed=src");
println!("cargo:rerun-if-changed=templates");
println!("cargo:rerun-if-changed=tests");
generate_completions();
}