55 lines
1.8 KiB
Rust
55 lines
1.8 KiB
Rust
use minijinja::{context, Environment};
|
|
use owo_colors::OwoColorize;
|
|
use std::fs;
|
|
|
|
fn main() {
|
|
let board_dir = "src/board";
|
|
let boards: Vec<String> = fs::read_dir(board_dir)
|
|
.expect("failed to read src/board directory")
|
|
.filter_map(|e| {
|
|
let p = e.ok()?.path();
|
|
if p.is_file() && p.extension()? == "rs" && p.file_stem()? != "mod" {
|
|
return Some(p.file_stem()?.to_str()?.to_string());
|
|
}
|
|
None
|
|
})
|
|
.collect();
|
|
|
|
let enabled: Vec<_> = std::env::vars()
|
|
.filter(|(k, _)| k.starts_with("CARGO_FEATURE_"))
|
|
.map(|(k, _)| k.replace("CARGO_FEATURE_", "").to_lowercase())
|
|
.filter(|f| boards.contains(f))
|
|
.collect();
|
|
|
|
match enabled.len() {
|
|
0 => panic!(
|
|
"\n\n{}\n",
|
|
format!("No board selected! Found: {:?}", boards)
|
|
.red()
|
|
.bold()
|
|
),
|
|
1 => println!("cargo:rustc-cfg=board_selected"),
|
|
_ => panic!(
|
|
"\n\n{}\n",
|
|
format!("Conflict: Multiple boards enabled {:?}", enabled)
|
|
.yellow()
|
|
.bold()
|
|
),
|
|
}
|
|
|
|
let mut env = Environment::new();
|
|
let template =
|
|
fs::read_to_string("src/board/mod.rs.j2").expect("missing src/board/mod.rs.j2");
|
|
env.add_template("mod", &template)
|
|
.expect("failed to parse board template");
|
|
let rendered = env
|
|
.get_template("mod")
|
|
.expect("template not found")
|
|
.render(context!(boards => boards))
|
|
.expect("failed to render board module");
|
|
fs::write("src/board/mod.rs", rendered).expect("failed to write src/board/mod.rs");
|
|
|
|
println!("cargo:rerun-if-changed=src/board/mod.rs.j2");
|
|
println!("cargo:rerun-if-changed={}", board_dir);
|
|
}
|