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20 lines
668 B
Rust
20 lines
668 B
Rust
// build.rs – emit the current git commit so the code can embed it in the
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// session metadata file.
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fn main() {
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// Try to run `git rev-parse HEAD` – if that fails we fall back to
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// "unknown" so the build does not break when the source is not a git
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// repository (e.g., during `cargo publish`).
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let git_sha = std::process::Command::new("git")
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.args(["rev-parse", "HEAD"])
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.output()
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.ok()
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.filter(|o| o.status.success())
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.and_then(|o| String::from_utf8(o.stdout).ok())
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.map(|s| s.trim().to_owned())
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.unwrap_or_else(|| "unknown".into());
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println!("cargo:rustc-env=GIT_SHA={git_sha}");
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}
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