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//! Construct version in the `commit-hash date channel` format
use std::{env, path::PathBuf, process::Command};
fn main() {
set_rerun();
set_commit_info();
println!("cargo::rustc-check-cfg=cfg(rust_analyzer)");
}
fn set_rerun() {
println!("cargo:rerun-if-env-changed=CFG_RELEASE");
let mut manifest_dir = PathBuf::from(
env::var("CARGO_MANIFEST_DIR").expect("`CARGO_MANIFEST_DIR` is always set by cargo."),
);
while manifest_dir.parent().is_some() {
let head_ref = manifest_dir.join(".git/HEAD");
if head_ref.exists() {
println!("cargo:rerun-if-changed={}", head_ref.display());
return;
}
manifest_dir.pop();
}
println!("cargo:warning=Could not find `.git/HEAD` from manifest dir!");
}
fn set_commit_info() {
#[allow(clippy::disallowed_methods)]
let output = match Command::new("git")
.arg("log")
.arg("-1")
.arg("--date=short")
.arg("--format=%H %h %cd")
.output()
{
Ok(output) if output.status.success() => output,
_ => return,
};
let stdout = String::from_utf8(output.stdout).unwrap();
let mut parts = stdout.split_whitespace();
let mut next = || parts.next().unwrap();
println!("cargo:rustc-env=RA_COMMIT_HASH={}", next());
println!("cargo:rustc-env=RA_COMMIT_SHORT_HASH={}", next());
println!("cargo:rustc-env=RA_COMMIT_DATE={}", next())
}
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