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build.rs
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36 lines (30 loc) · 881 Bytes
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use std::process::Command;
fn main() {
println!("cargo:rustc-env=RUSTPYTHON_GIT_HASH={}", git_hash());
println!(
"cargo:rustc-env=RUSTPYTHON_GIT_TIMESTAMP={}",
git_timestamp()
);
println!("cargo:rustc-env=RUSTPYTHON_GIT_BRANCH={}", git_branch());
}
fn git_hash() -> String {
git(&["rev-parse", "HEAD"])
}
fn git_timestamp() -> String {
git(&["log", "-1", "--format=%cd"])
}
fn git_branch() -> String {
git(&["rev-parse", "--abbrev-ref", "HEAD"])
}
fn git(args: &[&str]) -> String {
command("git", args)
}
fn command(cmd: &str, args: &[&str]) -> String {
match Command::new(cmd).args(args).output() {
Ok(output) => match String::from_utf8(output.stdout) {
Ok(s) => s,
Err(err) => format!("(output error: {})", err),
},
Err(err) => format!("(command error: {})", err),
}
}