fabaccess-bffh/build.rs
2022-04-27 17:23:05 +02:00

52 lines
2.2 KiB
Rust

use std::process::Command;
fn main() {
println!(">>> Building version number...");
let rustc = std::env::var("RUSTC").unwrap();
let out = Command::new(rustc).arg("--version")
.output()
.expect("failed to run `rustc --version`");
let rustc_version = String::from_utf8(out.stdout)
.expect("rustc --version returned invalid UTF-8");
let rustc_version = rustc_version.trim();
println!("cargo:rustc-env=CARGO_RUSTC_VERSION={}", rustc_version);
println!("cargo:rerun-if-env-changed=BFFHD_BUILD_TAGGED_RELEASE");
let tagged_release = option_env!("BFFHD_BUILD_TAGGED_RELEASE") == Some("1");
let version_string = if tagged_release {
format!("{version} [{rustc}]",
version = env!("CARGO_PKG_VERSION"),
rustc = rustc_version)
} else {
// Build version number using the current git commit id
let out = Command::new("git").arg("rev-list")
.args(["HEAD", "-1"])
.output()
.expect("failed to run `git rev-list HEAD -1`");
let owned_gitrev = String::from_utf8(out.stdout)
.expect("git rev-list output was not valid UTF8");
let gitrev = owned_gitrev.trim();
let abbrev = match gitrev.len(){
0 => "unknown",
_ => &gitrev[0..9],
};
let out = Command::new("git").arg("log")
.args(["-1", "--format=%as"])
.output()
.expect("failed to run `git log -1 --format=\"format:%as\"`");
let commit_date = String::from_utf8(out.stdout)
.expect("git log output was not valid UTF8");
let commit_date = commit_date.trim();
format!("{version} ({gitrev} {date}) [{rustc}]",
version=env!("CARGO_PKG_VERSION"),
gitrev=abbrev,
date=commit_date,
rustc=rustc_version)
};
println!("cargo:rustc-env=BFFHD_VERSION_STRING={}", version_string);
println!("cargo:rustc-env=BFFHD_RELEASE_STRING=\"BFFH {}\"", version_string);
}