viber 16.1.0.37 -> 19.1.0 https://repology.org/metapackage/viber/versions attrpath: viber Received ExitFailure 1 when running Raw command: /nix/store/3nqhcyc7vid1npgcd0m7arg5sn325nhz-nix-2.12.0/bin/nix eval -f . "(let pkgs = import ./. {}; in builtins.hasAttr \"updateScript\" pkgs.viber)" Standard error: error: attribute '(let pkgs = import ' in selection path '(let pkgs = import ./. {}; in builtins.hasAttr "updateScript" pkgs.viber)' not found