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fix: detect nightly rust-src updates in sysroot cache #17

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Merged
AndrewAltimit merged 2 commits into from
Feb 27, 2026
Merged

fix: detect nightly rust-src updates in sysroot cache #17

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30ec676
fix: detect nightly rust-src updates in sysroot cache
Feb 27, 2026
ad4e276
fix: force sysroot rebuild when rust-src metadata is unreadable
Feb 27, 2026
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8 changes: 6 additions & 2 deletions cargo-psp/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -286,13 +286,17 @@ fn prepare_psp_sysroot() -> Result<()> {
// Check if we can skip re-creating the sysroot.
let marker = dest.join(".psp-sysroot-stamp");
if marker.exists() {
// Re-create if any overlay file is newer than the marker.
// Re-create if overlay or rust-src is newer than the marker.
let marker_time = fs::metadata(&marker)
.and_then(|m| m.modified())
.unwrap_or(SystemTime::UNIX_EPOCH);

let overlay_modified = newest_mtime(&overlay_src)?;
if overlay_modified <= marker_time {
let rust_src_modified = fs::metadata(rust_src.join("library/Cargo.lock"))
.and_then(|m| m.modified())
.unwrap_or_else(|_| SystemTime::now());

if overlay_modified <= marker_time && rust_src_modified <= marker_time {
eprintln!("[NOTE]: PSP sysroot is up-to-date, skipping preparation.");
return Ok(());
}
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