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Check whether REQUIRED_RUST_TOOLCHAIN matches local rust-toolchain file

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This commit is contained in:
Sylvester Hesp 2022-09-27 11:44:01 +02:00 committed by Eduard-Mihai Burtescu
parent 985007fc08
commit d90274af0b
1 changed files with 15 additions and 4 deletions
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19
crates/rustc_codegen_spirv/build.rs
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@ -32,9 +32,21 @@ fn get_required_commit_hash() -> Result<String, Box<dyn Error>> {
}
fn check_toolchain_version() -> Result<(), Box<dyn Error>> {
if !cfg!(feature = "skip-toolchain-check") {
// gets the commit hash from current rustc
// if we're building from local source, check if REQUIRED_RUST_TOOLCHAIN matches ../../rust-toolchain
println!("{}", std::env::current_dir()?.display());
if std::env::current_dir()?.ends_with("crates/rustc_codegen_spirv") {
let current_toolchain = std::fs::read_to_string("../../rust-toolchain")?;
if !current_toolchain.contains(REQUIRED_RUST_TOOLCHAIN) {
return Err(Box::<dyn Error>::from(format!(
"error: building from local source while `REQUIRED_RUST_TOOLCHAIN` (defined in `{}`) doesn't match `{}`",
file!(),
std::path::Path::new("../../rust-toolchain").canonicalize()?.display()
)));
}
}
if !cfg!(feature = "skip-toolchain-check") {
// check if our current rustc's commit hash matches with what we expect it to be
let current_hash = get_rustc_commit_hash()?;
let required_hash = get_required_commit_hash()?;
if current_hash != required_hash {
@ -46,8 +58,7 @@ fn check_toolchain_version() -> Result<(), Box<dyn Error>> {
.unwrap_or_default();
return Err(Box::<dyn Error>::from(format!(
r#"
error: wrong toolchain detected (found commit hash `{current_hash}`, expected `{required_hash}`).
r#"error: wrong toolchain detected (found commit hash `{current_hash}`, expected `{required_hash}`).
Make sure your `rust_toolchain` file contains the following:
-------------
{stripped_toolchain}