{ lib, mkCoqDerivation, coq, version ? null }:

mkCoqDerivation {
  pname = "InfSeqExt";
  owner = "DistributedComponents";
  inherit version;
  defaultVersion = with lib.versions; lib.switch coq.version [
    { case = range "8.9" "8.18"; out = "20230107"; }
    { case = range "8.5" "8.16"; out = "20200131"; }
  ] null;
  release."20230107".rev    = "601e89ec019501c48c27fcfc14b9a3c70456e408";
  release."20230107".sha256 = "sha256-YMBzVIsLkIC+w2TeyHrKe29eWLIxrH3wIMZqhik8p9I=";
  release."20200131".rev    = "203d4c20211d6b17741f1fdca46dbc091f5e961a";
  release."20200131".sha256 = "0xylkdmb2dqnnqinf3pigz4mf4zmczcbpjnn59g5g76m7f2cqxl0";
  preConfigure = ''
    if [ -f ./configure ]; then
      patchShebangs ./configure
    fi
  '';
}