$ git clone -n https://src.fedoraproject.org/rpms/tipcutils.git /var/lib/mock/f41-build-856040-167435/root/chroot_tmpdir/scmroot/tipcutils
Cloning into '/var/lib/mock/f41-build-856040-167435/root/chroot_tmpdir/scmroot/tipcutils'...
$ git fetch origin e6f06c3e569247ffbcce9203a071a3ee06f87448:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tipcutils
 * [new ref]         e6f06c3e569247ffbcce9203a071a3ee06f87448 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6f06c3 Newer stable version