Extract Cranelift component

Author: Kobzol

src/tools/opt-dist/src/tests.rs

@@ -36,6 +36,16 @@ pub fn run_tests(env: &Environment) -> anyhow::Result<()> {
     let cargo_dir = extract_dist_dir(&format!("cargo-{version}-{host_triple}"))?.join("cargo");
     let extracted_src_dir = extract_dist_dir(&format!("rust-src-{version}"))?.join("rust-src");
 
+    // If we have a Cranelift archive, copy it to the rustc sysroot
+    if let Ok(_) = find_file_in_dir(&dist_dir, "rustc-codegen-cranelift-", ".tar.xz") {
+        let extracted_codegen_dir =
+            extract_dist_dir(&format!("rustc-codegen-cranelift-{version}-{host_triple}"))?
+                .join("rustc-codegen-cranelift-preview");
+        let rel_path =
+            Utf8Path::new("lib").join("rustlib").join(host_triple).join("codegen-backends");
+        copy_directory(&extracted_codegen_dir.join(&rel_path), &rustc_dir.join(&rel_path))?;
+    }
+
     // We need to manually copy libstd to the extracted rustc sysroot
     copy_directory(
         &libstd_dir.join("lib").join("rustlib").join(host_triple).join("lib"),