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//
// Copyright (c) 2025 murilo ijanc' <murilo@ijanc.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
fn main() {
println!("cargo:rerun-if-changed=.git/HEAD");
println!("cargo:rerun-if-changed=.git/refs/heads");
let git_hash = git_cmd(&["rev-parse", "--short=6", "HEAD"]);
let git_date =
git_cmd(&["show", "-s", "--format=%cd", "--date=short", "HEAD"]);
println!("cargo:rustc-env=GIT_HASH={}", git_hash);
println!("cargo:rustc-env=BUILD_DATE={}", git_date);
}
fn git_cmd(args: &[&str]) -> String {
use std::process::Command;
Command::new("git")
.args(args)
.output()
.ok()
.filter(|output| output.status.success())
.and_then(|output| String::from_utf8(output.stdout).ok())
.map(|s| s.to_string())
.filter(|s| !s.is_empty())
.unwrap_or_else(|| "unknown".to_string())
}
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