ionpak-thermostat/firmware/build.rs

66 lines
1.9 KiB
Rust

extern crate walkdir;
use std::env;
use std::io::Write;
use std::fs::File;
use std::path::{Path, PathBuf};
use std::process::Command;
use walkdir::WalkDir;
fn git_describe() {
let git_dir = Path::new("../.git");
println!("cargo:rerun-if-changed={}", git_dir.join("HEAD").display());
for entry in WalkDir::new(git_dir.join("refs")) {
let entry = entry.unwrap();
println!("cargo:rerun-if-changed={}", entry.path().display());
}
let version;
if git_dir.exists() {
let git_describe =
Command::new("git")
.arg("describe")
.arg("--tags")
.arg("--dirty")
.arg("--always")
.arg("--long")
.arg("--abbrev=8")
.output()
.ok()
.and_then(|o| String::from_utf8(o.stdout).ok())
.map(|mut s| {
let len = s.trim_right().len();
s.truncate(len);
s
})
.unwrap();
let parts = git_describe.split("-").collect::<Vec<_>>();
version = format!("{}+{}.{}", parts[0], parts[1], parts[2]);
} else {
version = "unknown".to_owned();
}
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let mut f = File::create(out_dir.join("git-describe")).unwrap();
write!(f, "{}", version).unwrap();
}
fn linker_script() {
// Put the linker script somewhere the linker can find it
let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
File::create(out.join("memory.x"))
.unwrap()
.write_all(include_bytes!("memory.x"))
.unwrap();
println!("cargo:rustc-link-search={}", out.display());
println!("cargo:rerun-if-changed=memory.x");
}
fn main() {
linker_script();
git_describe();
}