os.makedirs(rustc_cache)
--- a/src/bootstrap/src/core/download.rs
+++ b/src/bootstrap/src/core/download.rs
-@@ -208,7 +208,13 @@ impl Config {
+@@ -208,10 +208,13 @@ impl Config {
Some(other) => panic!("unsupported protocol {other} in {url}"),
None => panic!("no protocol in {url}"),
}
-- t!(std::fs::rename(&tempfile, dest_path));
+- t!(
+- std::fs::rename(&tempfile, dest_path),
+- format!("failed to rename {tempfile:?} to {dest_path:?}")
+- );
+ match std::fs::rename(&tempfile, dest_path) {
+ Ok(v) => v,
+ Err(_) => {
+ t!(std::fs::copy(&tempfile, dest_path));
+ t!(std::fs::remove_file(&tempfile));
+ }
-+ }
++ };
}
fn download_http_with_retries(&self, tempfile: &Path, url: &str, help_on_error: &str) {
-@@ -544,7 +550,10 @@ impl Config {
- key: &str,
- destination: &str,
- ) {
+@@ -577,7 +580,10 @@ impl Config {
+ return;
+ }
+
- let cache_dst = self.out.join("cache");
+ let cache_dst = match env::var_os("OPENWRT_RUSTC_BOOTSTRAP_CACHE") {
+ Some(v) => PathBuf::from(v),
let cache_dir = cache_dst.join(key);
if !cache_dir.exists() {
t!(fs::create_dir_all(&cache_dir));
-@@ -671,7 +680,10 @@ download-rustc = false
- let llvm_assertions = self.llvm_assertions;
-
- let cache_prefix = format!("llvm-{llvm_sha}-{llvm_assertions}");
-- let cache_dst = self.out.join("cache");
-+ let cache_dst = match env::var_os("OPENWRT_RUSTC_BOOTSTRAP_CACHE") {
-+ Some(v) => PathBuf::from(v),
-+ None => self.out.join("cache"),
-+ };
- let rustc_cache = cache_dst.join(cache_prefix);
- if !rustc_cache.exists() {
- t!(fs::create_dir_all(&rustc_cache));