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build.rs
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build.rs
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use std::process::Output;
use anyhow::Result;
fn main() -> Result<()> {
println!("cargo:rerun-if-changed=.git/HEAD");
println!("cargo:rerun-if-changed=.git/refs");
println!("cargo:rerun-if-changed=.git/packed-refs");
match std::process::Command::new("git")
.args(["rev-parse", "--verify", "--short", "HEAD"])
.output()
{
Ok(Output { status, stdout, .. }) if status.success() => {
println!(
"cargo:rustc-env=GIT_HEAD_HASH={}",
String::from_utf8(stdout)?
);
}
Ok(Output { status, .. }) => {
println!("cargo:warning=Unable to read HEAD symbolic ref: {status}");
}
Err(error) => {
println!("cargo:warning=Unable to execute git command: {error}");
}
}
Ok(())
}