$ git clone -n https://src.fedoraproject.org/rpms/disciplining-minipod.git /var/lib/mock/f39-build-1458511-33064/root/chroot_tmpdir/scmroot/disciplining-minipod
Cloning into '/var/lib/mock/f39-build-1458511-33064/root/chroot_tmpdir/scmroot/disciplining-minipod'...
$ git fetch origin 608a3c066082205e560d3d5975a6b311638fd71c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/disciplining-minipod
 * [new ref]         608a3c066082205e560d3d5975a6b311638fd71c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 608a3c0 Update to 3.5.6