client/dragonfly-client/build.rs

52 lines
1.7 KiB
Rust

/*
* Copyright 2024 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use std::env;
use std::process::Command;
use std::time::{SystemTime, UNIX_EPOCH};
// git_commit_hash returns the short hash of the current git commit.
fn git_commit_hash() -> String {
if let Ok(output) = Command::new("git")
.args(["rev-parse", "--short", "HEAD"])
.output()
{
if let Ok(commit) = String::from_utf8(output.stdout) {
return commit.trim().to_string();
}
}
"unknown".to_string()
}
fn main() {
// Set the environment variables for the cargo package version.
println!("cargo:rustc-env=GIT_VERSION={}", env!("CARGO_PKG_VERSION"));
// Set the environment variables for the git commit.
println!("cargo:rustc-env=GIT_COMMIT={}", git_commit_hash());
// Set the environment variables for the build platform.
if let Ok(target) = env::var("TARGET") {
println!("cargo:rustc-env=BUILD_PLATFORM={}", target);
}
// Set the environment variables for the build time.
if let Ok(build_time) = SystemTime::now().duration_since(UNIX_EPOCH) {
println!("cargo:rustc-env=BUILD_TIMESTAMP={}", build_time.as_secs());
}
}