30 lines
966 B
Rust
30 lines
966 B
Rust
// Include the GIT_HASH, in `GIT_HASH` environment variable at build
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// time, panic'ing if it can not be found
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//
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// https://stackoverflow.com/questions/43753491/include-git-commit-hash-as-string-into-rust-program
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use std::process::Command;
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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// Populate env!(GIT_HASH) with the current git commit
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println!("cargo:rustc-env=GIT_HASH={}", get_git_hash());
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Ok(())
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}
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fn get_git_hash() -> String {
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let out = match std::env::var("VERSION_HASH") {
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Ok(v) => v,
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Err(_) => {
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let output = Command::new("git")
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.args(["describe", "--always", "--dirty", "--abbrev=64"])
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.output()
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.expect("failed to execute git rev-parse to read the current git hash");
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String::from_utf8(output.stdout).expect("non-utf8 found in git hash")
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}
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};
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assert!(!out.is_empty(), "attempting to embed empty git hash");
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out
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}
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