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refactor setting the git info to support more sources

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This commit is contained in:
Pietro Albini 2024-04-30 10:27:44 +02:00
parent 05066fe989
commit 80f96704e0
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GPG Key ID: CD76B35F7734769E
1 changed files with 35 additions and 15 deletions
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50
build.rs
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@ -47,16 +47,15 @@ fn compress_man() {
encoder.finish().unwrap();
}
fn commit_info() {
if !Path::new(".git").exists() {
return;
}
struct CommitInfo {
hash: String,
short_hash: String,
date: String,
}
// Var set by bootstrap whenever omit-git-hash is enabled in rust-lang/rust's config.toml.
println!("cargo:rerun-if-env-changed=CFG_OMIT_GIT_HASH");
#[allow(clippy::disallowed_methods)]
if std::env::var_os("CFG_OMIT_GIT_HASH").is_some() {
return;
fn commit_info_from_git() -> Option<CommitInfo> {
if !Path::new(".git").exists() {
return None;
}
let output = match Command::new("git")
@ -68,14 +67,35 @@ fn commit_info() {
.output()
{
Ok(output) if output.status.success() => output,
_ => return,
_ => return None,
};
let stdout = String::from_utf8(output.stdout).unwrap();
let mut parts = stdout.split_whitespace();
let mut next = || parts.next().unwrap();
println!("cargo:rustc-env=CARGO_COMMIT_HASH={}", next());
println!("cargo:rustc-env=CARGO_COMMIT_SHORT_HASH={}", next());
println!("cargo:rustc-env=CARGO_COMMIT_DATE={}", next())
let mut parts = stdout.split_whitespace().map(|s| s.to_string());
Some(CommitInfo {
hash: parts.next()?,
short_hash: parts.next()?,
date: parts.next()?,
})
}
fn commit_info() {
// Var set by bootstrap whenever omit-git-hash is enabled in rust-lang/rust's config.toml.
println!("cargo:rerun-if-env-changed=CFG_OMIT_GIT_HASH");
// ALLOWED: Accessing environment during build time shouldn't be prohibited.
#[allow(clippy::disallowed_methods)]
if std::env::var_os("CFG_OMIT_GIT_HASH").is_some() {
return;
}
let Some(git) = commit_info_from_git() else {
return;
};
println!("cargo:rustc-env=CARGO_COMMIT_HASH={}", git.hash);
println!("cargo:rustc-env=CARGO_COMMIT_SHORT_HASH={}", git.short_hash);
println!("cargo:rustc-env=CARGO_COMMIT_DATE={}", git.date);
}
#[allow(clippy::disallowed_methods)]