graphql-engine/v3/crates/engine/build.rs

fn main() -> Result<(), String> {
    // Ensure that we rebuild if the version is specified.
    println!("cargo:rerun-if-env-changed=RELEASE_VERSION");

    // On release builds, use the Git commit as a backup if the version is not set.
    // On debug builds, use "dev".
    // If we fail to get the Git information, fail.
    let build_profile = std::env::var("PROFILE").map_err(|err| err.to_string())?;
    let release_version = if build_profile == "release" {
        match option_env!("RELEASE_VERSION") {
            Some(version) => version.to_string(),
            None => {
                let git_commit_ref = build_data::get_git_commit_short()?;
                let git_dirty = build_data::get_git_dirty().unwrap_or(false);
                if git_dirty {
                    format!("{git_commit_ref}-dirty")
                } else {
                    git_commit_ref
                }
            }
        }
    } else {
        "dev".to_string()
    };
    println!("cargo:rustc-env=CARGO_V3_ENGINE_VERSION={release_version}");
    Ok(())
}