Function cargo::core::compiler::fingerprint::compare_old_fingerprint
source · fn compare_old_fingerprint(
old_hash_path: &Path,
new_fingerprint: &Fingerprint,
mtime_on_use: bool
) -> CargoResult<Option<DirtyReason>>
Expand description
Reads the value from the old fingerprint hash file and compare.
If dirty, it then restores the detailed information from the fingerprint JSON file, and provides an rich dirty reason.