.werk-cache

This is a special file created by werk in the cache directory.

It is a TOML document containing metadata used during outdatedness checks, including glob results, used environment variables (env), used program paths (which), the recipe itself, manual command-line overrides (-Dkey=value), and any global variables used while evaluating the recipe.

In short, .werk-cache is what enables werk do perform very detailed outdatedness checks.

All values stored in .werk-cache are hashed to avoid leaking secrets from the environment, but the hash is not cryptographically secure. It can’t be: since the hash must be stable between runs, using a random seed would defeat the purpose.

.werk-cache can be safely deleted by the user, but doing so will cause the next build to rebuild more than necessary.