artiq/artiq/firmware/libbuild_artiq/lib.rs

60 lines
1.9 KiB
Rust

extern crate walkdir;
use std::env;
use std::fs::File;
use std::io::{Write, BufRead, BufReader};
use std::path::{Path, PathBuf};
use std::process::Command;
use walkdir::WalkDir;
pub 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();
}
pub fn misoc_cfg() {
let out_dir = env::var("BUILDINC_DIRECTORY").unwrap();
let cfg_path = Path::new(&out_dir).join("generated").join("rust-cfg");
println!("cargo:rerun-if-changed={}", cfg_path.to_str().unwrap());
let f = BufReader::new(File::open(&cfg_path).unwrap());
for line in f.lines() {
println!("cargo:rustc-cfg={}", line.unwrap());
}
}