$ git clone -n https://src.fedoraproject.org/rpms/sympa.git /var/lib/mock/f41-build-846667-163171/root/chroot_tmpdir/scmroot/sympa
Cloning into '/var/lib/mock/f41-build-846667-163171/root/chroot_tmpdir/scmroot/sympa'...
$ git fetch origin 68dd75518d37584d16d72544c8ca19ac4c81d788:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sympa
 * [new ref]         68dd75518d37584d16d72544c8ca19ac4c81d788 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68dd755 Add changelog entry