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fn main() {
// Load .env if present (local dev). In CI the vars are injected directly
// as environment variables, so this is a no-op there.
let _ = dotenvy::dotenv();
// Required variables — build fails if missing.
for var in [
"ONDE_APP_ID",
"ONDE_APP_SECRET",
"GRESIQ_API_KEY",
"GRESIQ_API_SECRET",
] {
println!("cargo:rerun-if-env-changed={var}");
match std::env::var(var) {
Ok(val) => {
println!("cargo:rustc-env={var}={val}");
}
Err(_) => {
eprintln!("error: required build variable `{var}` is not set.");
eprintln!(" → Add it to .env for local builds.");
eprintln!(" → Add it as a GitHub Actions secret for CI builds.");
std::process::exit(1);
}
}
}
// Optional variables — baked in when present, empty string when absent.
{
let var = "HF_TOKEN";
println!("cargo:rerun-if-env-changed={var}");
match std::env::var(var) {
Ok(val) => {
println!("cargo:rustc-env={var}={val}");
}
Err(_) => {
// Forward an empty value so env!() still compiles.
println!("cargo:rustc-env={var}=");
}
}
}
// Rebuild whenever .env itself changes.
println!("cargo:rerun-if-changed=.env");
}