wehub-resource-sync
72 lines
2.3 KiB
Rust
72 lines
2.3 KiB
Rust
use std::path::PathBuf;
|
|
|
|
use re_build_tools::write_file_if_necessary;
|
|
|
|
fn should_run() -> bool {
|
|
#![expect(clippy::match_same_arms)]
|
|
use re_build_tools::Environment;
|
|
|
|
match Environment::detect() {
|
|
// The code (which is committed) should hopefully already be up-to-date.
|
|
Environment::PublishingCrates => false,
|
|
|
|
// No need to run this on CI (which means setting up `protoc` etc)
|
|
// since the code is committed anyway.
|
|
Environment::RerunCI | Environment::CondaBuild => false,
|
|
|
|
// Sure - let's keep it up-to-date.
|
|
Environment::DeveloperInWorkspace => true,
|
|
|
|
// Definitely not
|
|
Environment::UsedAsDependency => false,
|
|
}
|
|
}
|
|
|
|
fn main() -> Result<(), std::io::Error> {
|
|
if !should_run() {
|
|
return Ok(());
|
|
}
|
|
|
|
match protoc_prebuilt::init("22.0") {
|
|
Ok((protoc_bin, _)) => {
|
|
unsafe { std::env::set_var("PROTOC", protoc_bin) };
|
|
}
|
|
Err(err) => {
|
|
eprintln!("Failed to install protoc: {err} - falling back to system 'protoc'");
|
|
}
|
|
}
|
|
|
|
prost_build::compile_protos(
|
|
&[
|
|
"proto/a_r_capture_metadata.proto",
|
|
"proto/annotation_data.proto",
|
|
"proto/object.proto",
|
|
],
|
|
&["proto"],
|
|
)?;
|
|
|
|
let out_dir = re_build_tools::get_and_track_env_var("OUT_DIR").unwrap();
|
|
let src_path = PathBuf::from(out_dir).join("objectron.proto.rs");
|
|
let dst_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("src/objectron.rs");
|
|
|
|
// `include!()` will break LSP & GitHub navigation, so create an actual source file to make the
|
|
// UX reasonable.
|
|
|
|
let bytes = [
|
|
b"// This file was autogenerated by `build.rs`. Do not edit.\n\n".to_vec(),
|
|
b"#![expect(clippy::all, clippy::doc_markdown)]\n".to_vec(),
|
|
b"#![allow(clippy::allow_attributes, unused)]\n".to_vec(),
|
|
std::fs::read(src_path)?,
|
|
]
|
|
.into_iter()
|
|
.flatten()
|
|
.collect::<Vec<_>>();
|
|
|
|
// `cargo` has an implicit `rerun-if-changed=src/**` clause, which will act against us in this
|
|
// instance.
|
|
// Make sure to _not_ rewrite identical data, so as to avoid being stuck in an infinite build
|
|
// loop when using tools like e.g. `bacon` that watch the filesystem for any changes to the
|
|
// project's files.
|
|
write_file_if_necessary(dst_path, &bytes)
|
|
}
|