28 lines
1.1 KiB
Rust
28 lines
1.1 KiB
Rust
use std::process::Command;
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#[allow(unreachable_code, clippy::pedantic)]
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fn main() -> Result<(), String> {
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#[cfg(all(feature = "infer-backend", feature = "xdg-mime-backend"))]
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// fail build if the user has set both the infer and xdg-mime backends
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return Err(String::from(
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"fif cannot be compiled with multiple backends set - please enable only one, or use the default.",
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));
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// a more robust way of doing this would be to use vergen (https://github.com/rustyhorde/vergen), but it pulls in a
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// whole bunch of extra dependencies (including chrono and git2), and also blocks compilation on the current MSRV.
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// this method is less clever and robust, but it works!
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let git = Command::new("git").args(&["rev-parse", "--short", "HEAD"]).output();
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let hash = match git {
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Ok(output) => String::from_utf8_lossy(&*output.stdout).into(),
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Err(_) => {
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// git not being present (or failing) shouldn't block compilation
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println!("cargo:warning=Failed to retrieve git commit hash");
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String::from("???")
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}
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};
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println!("cargo:rustc-env=GIT_SHA={}", hash);
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println!("cargo:rustc-rerun-if-changed=.git/HEAD");
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Ok(())
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}
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