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