1pkgs: { 2 percona-xtrabackup_8_0 = pkgs.callPackage ./8_0.nix { 3 boost = pkgs.boost177; 4 }; 5 percona-xtrabackup_8_4 = pkgs.callPackage ./8_4.nix { }; 6 percona-xtrabackup = pkgs.percona-xtrabackup_8_4; 7}