Restore and save Nix Store

Version updated for https://github.com/nix-community/cache-nix-action to version v6.

• This action is used across all versions by 7 repositories.

Go to the GitHub Marketplace to find the latest changes.

Release notes

Breaking changes

• Remove the save-always input as it’ll soon be deprecated (https://github.com/nix-community/cache-nix-action/pull/50). See https://github.com/nix-community/cache-nix-action/blob/main/save/README.md#always-save-cache as a workaround.

Features

• Support human-readable values for gc-max-store-size* inputs (https://github.com/nix-community/cache-nix-action/pull/78)
• Prototype a method for saving flake attributes from garbage collection (https://github.com/nix-community/cache-nix-action/pull/53)

Fixes

• Update to the latest actions-toolkit (https://github.com/nix-community/cache-nix-action/pull/50).
• Fix cacheId not set after saving the cache (https://github.com/nix-community/cache-nix-action/commit/ddaea707ca21fd3baf031e005e7e44c2e5aae680)

• Fix Nix store database merging logic (use paths instead of hashes) (https://github.com/nix-community/cache-nix-action/pull/69)
• Fix garbage collection logic (https://github.com/nix-community/cache-nix-action/pull/62, 04c4f5077dae9cba4e26b749fdbaadab8d723693)
• Fix purging logic (https://github.com/nix-community/cache-nix-action/pull/72)
• Fix nix store database merging logic (use derivation paths instead of derivation output paths when calculating new derivation ids) (https://github.com/nix-community/cache-nix-action/pull/84)
• Use bigint instead of number for the store size (#117)
• Fix saving a cache (#122)
• Support ca-derivations (#130)
• Simplify the table merging logic (#130)

Documentation and maintenance

• Bump the nix-quick-install-action to v30

• nix-community
• GitHub Actions