ruby2.7.6-rack-protection 3.0.2 -> 3.0.5 https://repology.org/metapackage/ruby2.7.6-rack-protection/versions attrpath: ruby2.7.6-rack-protection Received ExitFailure 1 when running Raw command: /nix/store/3nqhcyc7vid1npgcd0m7arg5sn325nhz-nix-2.12.0/bin/nix eval .#ruby2.7.6-rack-protection --apply "p: builtins.hasAttr \"updateScript\" p" Standard error: error: flake 'git+file:///var/cache/nixpkgs-update/worker/worktree/ruby2.7.6-rack-protection' does not provide attribute 'packages.x86_64-linux.ruby2.7.6-rack-protection', 'legacyPackages.x86_64-linux.ruby2.7.6-rack-protection' or 'ruby2.7.6-rack-protection' Did you mean one of ruby, grub2, iruby, jruby or mruby?