anchor.diff:            hostPath = "/@build@";
             readOnly = false;
           };
  -        fileShares.run = mkIf (cfg.backend == "lxc") {
  +        fileShares.run = mkIf (backend == "lxc") {
             guestPath = "/run";
             hostPath = "/@mnt@/run-${name}";
             readOnly = false;
  
positive.code:       connectionURI = mkOption {
          type = types.str;
          default =
            if cfg.backend == "qemu" then "qemu:///system"
            else "lxc:///";
        };
  
  
negative.code:           touch $build/log/std{out,err} $build/log/{${domList}}-console.log
            cp -t $build/libvirt "$src"/*
            for f in $build/libvirt/{dom,net}-*.xml; do substituteAllInPlace "$f"; done
            ${optionalString (backend == "lxc") ''mkdir $mnt/{root,run}-{${domList}} ''}
  
            # Let libvirt access paths inside the build directory and write to out dirs
            chmod a+x .
  