ruby2.7.6-jekyll-github-metadata 2.13.0 -> 2.15.0 https://repology.org/metapackage/ruby2.7.6-jekyll-github-metadata/versions attrpath: rubyPackages.jekyll-github-metadata 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.rubyPackages.jekyll-github-metadata)" Standard error: error: attribute '(let pkgs = import ' in selection path '(let pkgs = import ./. {}; in builtins.hasAttr "updateScript" pkgs.rubyPackages.jekyll-github-metadata)' not found