$ git clone -n https://src.fedoraproject.org/rpms/mod_auth_cas.git /var/lib/mock/f38-build-side-42-init-devel-593515-26153/root/chroot_tmpdir/scmroot/mod_auth_cas
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-593515-26153/root/chroot_tmpdir/scmroot/mod_auth_cas'...
$ git fetch origin 85e20ed285cb9b1d9a416adecbc55ff98b629528:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_auth_cas
 * [new ref]         85e20ed285cb9b1d9a416adecbc55ff98b629528 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85e20ed Update to version 1.2