fn run(self, builder: &Builder<'_>) -> Interned<PathBuf> {
let compiler = self.compiler;
let host_dir = builder.out.join(&compiler.host.triple);
- let sysroot = if compiler.stage == 0 {
- host_dir.join("stage0-sysroot")
- } else if builder.download_rustc() {
- host_dir.join("ci-rustc-sysroot")
- } else {
- host_dir.join(format!("stage{}", compiler.stage))
+
+ let sysroot_dir = |stage| {
+ if stage == 0 {
+ host_dir.join("stage0-sysroot")
+ } else if builder.download_rustc() && compiler.stage != builder.top_stage {
+ host_dir.join("ci-rustc-sysroot")
+ } else {
+ host_dir.join(format!("stage{}", stage))
+ }
};
+ let sysroot = sysroot_dir(compiler.stage);
+
let _ = fs::remove_dir_all(&sysroot);
t!(fs::create_dir_all(&sysroot));
"Cross-compiling is not yet supported with `download-rustc`",
);
- // #102002, cleanup stage1 and stage0-sysroot folders when using download-rustc so people don't use old versions of the toolchain by accident.
- let _ = fs::remove_dir_all(host_dir.join("stage1"));
- let _ = fs::remove_dir_all(host_dir.join("stage0-sysroot"));
+ // #102002, cleanup old toolchain folders when using download-rustc so people don't use them by accident.
+ for stage in 0..=2 {
+ if stage != compiler.stage {
+ let dir = sysroot_dir(stage);
+ if !dir.ends_with("ci-rustc-sysroot") {
+ let _ = fs::remove_dir_all(dir);
+ }
+ }
+ }
// Copy the compiler into the correct sysroot.
let ci_rustc_dir =