Merge pull request #30194 from matthiasbeyer/update-quaternion

mkDerivation rec {

  name = "quaternion-git-${version}";

  version = "2017-06-29";

  version = "2017-10-07";

  # quaternion and tensor share the same libqmatrixclient library as a git submodule

  #

  src = fetchgit {

    url             = "https://github.com/QMatrixClient/Quaternion.git";

    rev             = "1febc0178fd3d02b7426f58981b54924ad60c84d";

    sha256          = "1whjhlphdhk7kgw2zqc0wj3k2i9gkp79qq2bnrh4mbcp3qmcqngr";

    rev             = "1007f2ca4ad5e8cc5dba437d6a0cdea07d1f1332";

    sha256          = "0hvc81ld7fcwyrxsr2q3yvzh0rzhgmflby4nmyzcbjds7b7pv0xq";

    fetchSubmodules = true;

  };