{ pkgs ? import {} }: let ghcVersions = builtins.filter (p: p == "ghcHEAD" || builtins.match "ghc[[:digit:]]+" p != null ) (builtins.attrNames pkgs.haskell.packages); mateamt = haskellPackages: haskellPackages.callPackage {}; in builtins.listToAttrs (map (ghcVersion: { name = "mateamter-${ghcVersion}"; value = pkgs.lib.hydraJob (mateamt (builtins.getAttr ghcVersion pkgs.haskell.packages)); }) ghcVersions)