63ffd7e37a
build.rs embeds TW_REMOTE_URL / TW_GH_USER / TW_PAT / TW_AUTHOR_* via env!() so only the git_push binary carries them (the editor references none), and .env.example documents them. NOTE: TW_PAT lands in the git_push flash image -- a bench-only shortcut (ADR-005); a product must not embed the PAT.
54 lines
2.1 KiB
Rust
54 lines
2.1 KiB
Rust
use std::process::Command;
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fn main() {
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embuild::espidf::sysenv::output();
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// Stamp the binary so serial output and on-panel text identify the
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// exact build (bring-up lesson: know which build you're diagnosing).
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let git = Command::new("git")
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.args(["describe", "--always", "--dirty"])
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.output()
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.ok()
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.filter(|o| o.status.success())
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.map(|o| String::from_utf8_lossy(&o.stdout).trim().to_string())
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.unwrap_or_else(|| "unknown".into());
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let time = Command::new("date")
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.args(["-u", "+%m-%d %H:%M"])
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.output()
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.ok()
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.filter(|o| o.status.success())
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.map(|o| String::from_utf8_lossy(&o.stdout).trim().to_string())
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.unwrap_or_else(|| "unknown".into());
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println!("cargo:rustc-env=BUILD_GIT={git}");
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println!("cargo:rustc-env=BUILD_TIME={time}Z");
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// Wi-Fi credentials for the network spikes (6/7) and, later, the runtime.
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// Read at build time and emitted as compile-time env so a binary can pull
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// them in with env!(). Empty when unset: the network spike checks at
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// runtime and prints a clear message, so the *editor* build never has to
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// carry Wi-Fi creds. Source them from firmware/.env (loaded by `just`).
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//
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// The TW_REMOTE_URL / TW_GH_USER / TW_PAT / TW_AUTHOR_* vars back Spike 7's
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// on-device push (src/bin/git_push.rs). env!() embeds a value only in a
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// binary that references it, so the editor binary carries none of these.
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// NOTE: TW_PAT ends up in the git_push image — fine for the bench spike, but
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// a product must not bake the PAT into flash (ADR-005).
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for var in [
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"TW_WIFI_SSID",
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"TW_WIFI_PASS",
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"TW_REMOTE_URL",
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"TW_GH_USER",
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"TW_PAT",
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"TW_AUTHOR_NAME",
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"TW_AUTHOR_EMAIL",
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] {
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let val = std::env::var(var).unwrap_or_default();
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println!("cargo:rustc-env={var}={val}");
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println!("cargo:rerun-if-env-changed={var}");
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}
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// Pointing rerun-if-changed at a file that never exists forces this
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// script to rerun on every build, keeping BUILD_TIME fresh.
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println!("cargo:rerun-if-changed=.force-build-stamp");
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}
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