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firmware: don't bail out if building not from a git checkout (#783).

This commit is contained in:
whitequark 2017-07-15 03:16:21 +00:00
parent 0253db0421
commit d06d53b00d
1 changed files with 35 additions and 29 deletions
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64
artiq/firmware/libbuild_artiq/lib.rs
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@ -3,44 +3,50 @@ extern crate walkdir;
use std::env;
use std::fs::File;
use std::io::{Write, BufRead, BufReader};
use std::path::Path;
use std::path::{Path, PathBuf};
use std::process::Command;
use walkdir::WalkDir;
pub fn git_describe() {
let id =
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 id = id.split("-").collect::<Vec<_>>();
let id = format!("{}+{}.{}", id[0], id[1], id[2]);
let git_dir = Path::new("../../../.git");
let out_dir = env::var("OUT_DIR").unwrap();
let dest_path = Path::new(&out_dir).join("git-describe");
let mut f = File::create(&dest_path).unwrap();
f.write(id.as_bytes()).unwrap();
println!("cargo:rust-cfg=git_describe={:?}", id);
println!("cargo:rerun-if-changed=../../../.git/HEAD");
for entry in WalkDir::new("../../../.git/refs") {
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();
println!("cargo:rust-cfg=git_describe={:?}", version);
}
pub fn misoc_cfg() {