helix-term/build.rs


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use std::borrow::Cow;
use std::process::Command;

fn main() {
    let git_hash = Command::new("git")
        .args(&["rev-parse", "HEAD"])
        .output()
        .ok()
        .filter(|output| output.status.success())
        .and_then(|x| String::from_utf8(x.stdout).ok());

    let version: Cow<_> = match git_hash {
        Some(git_hash) => format!("{} ({})", env!("CARGO_PKG_VERSION"), &git_hash[..8]).into(),
        None => env!("CARGO_PKG_VERSION").into(),
    };

    println!(
        "cargo:rustc-env=BUILD_TARGET={}",
        std::env::var("TARGET").unwrap()
    );

    println!("cargo:rustc-env=VERSION_AND_GIT_HASH={}", version);
}