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build.rs
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build.rs
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use std::{process::Command, str};
fn git_branch() -> Option<String> {
str::from_utf8(
&Command::new("git")
.args(["rev-parse", "--abbrev-ref", "HEAD"])
.output()
.ok()?
.stdout,
)
.ok()
.map(|branch| branch.into())
}
fn git_commit() -> Option<String> {
str::from_utf8(
&Command::new("git")
.args(["rev-parse", "--verify", "HEAD"])
.output()
.ok()?
.stdout,
)
.ok()
.map(|branch| branch.into())
}
fn main() {
println!(
"cargo:rustc-env=GIT_BRANCH={}",
git_branch().unwrap_or_default()
);
println!(
"cargo:rustc-env=GIT_COMMIT={}",
git_commit().unwrap_or_default()
);
}