Files
typewriter/firmware/build.rs
Julien Calixte f8a4d53851 feat(firmware): add Wi-Fi + TLS spike (Spike 6)
Standalone `wifi_tls` binary: station assoc, SNTP, then a validated
HTTPS GET to api.github.com against the esp-idf cert bundle. Gates
Spike 7 (gitoxide push). Creds come from firmware/.env via build.rs.
2026-07-05 09:22:31 +02:00

40 lines
1.6 KiB
Rust

use std::process::Command;
fn main() {
embuild::espidf::sysenv::output();
// Stamp the binary so serial output and on-panel text identify the
// exact build (bring-up lesson: know which build you're diagnosing).
let git = Command::new("git")
.args(["describe", "--always", "--dirty"])
.output()
.ok()
.filter(|o| o.status.success())
.map(|o| String::from_utf8_lossy(&o.stdout).trim().to_string())
.unwrap_or_else(|| "unknown".into());
let time = Command::new("date")
.args(["-u", "+%m-%d %H:%M"])
.output()
.ok()
.filter(|o| o.status.success())
.map(|o| String::from_utf8_lossy(&o.stdout).trim().to_string())
.unwrap_or_else(|| "unknown".into());
println!("cargo:rustc-env=BUILD_GIT={git}");
println!("cargo:rustc-env=BUILD_TIME={time}Z");
// Wi-Fi credentials for the network spikes (6/7) and, later, the runtime.
// Read at build time and emitted as compile-time env so a binary can pull
// them in with env!(). Empty when unset: the network spike checks at
// runtime and prints a clear message, so the *editor* build never has to
// carry Wi-Fi creds. Source them from firmware/.env (loaded by `just`).
for var in ["TW_WIFI_SSID", "TW_WIFI_PASS"] {
let val = std::env::var(var).unwrap_or_default();
println!("cargo:rustc-env={var}={val}");
println!("cargo:rerun-if-env-changed={var}");
}
// Pointing rerun-if-changed at a file that never exists forces this
// script to rerun on every build, keeping BUILD_TIME fresh.
println!("cargo:rerun-if-changed=.force-build-stamp");
}