How to update cache when the source code changes ? #240
Description
Hey ! I am trying to use this action, but I don't understand how to use it to cache compilation results.
Since github actions cache cannot be updated (actions/cache#342), we rely only on the cache key to be able to "update" the cache. But your cache key does not include the hash of files in the "src/" folder, meaning that any update to the source code will not be reflected in the cache key, will not write a new cache entry, and thus these modified files will not be cached, and will have to be recompiled every time.
One option to avoid that would be to add ${{ hashFiles('src/**') }} as key, but then every time we update the source code, we would lose all cache (dependencies + compilation).
Which brings me to my question: how are we supposed to use this action in a regular Rust project ?
Thank you for your answer