···131131132132 in if sha512 == "" then133133 # hash stripped from pkgs.nix to save space -> fetch&unpack in a single step134134+ # currently unused as we prefer to keep the sha512 hashes for reproducibility134135 fetchurl {135136 inherit urls;136137 sha1 = if fixedHash == null then throw "TeX Live package ${tlName} is missing hash!"···145144 // passthru146145147146 else runCommand "texlive-${tlName}"148148- ( { # lots of derivations, not meant to be cached149149- preferLocalBuild = true; allowSubstitutes = false;147147+ ( {150148 inherit passthru;151149 } // lib.optionalAttrs (fixedHash != null) {152150 outputHash = fixedHash;