$ git clone -n https://src.fedoraproject.org/rpms/umr.git /var/lib/mock/f41-build-1037694-18807/root/chroot_tmpdir/scmroot/umr
Cloning into '/var/lib/mock/f41-build-1037694-18807/root/chroot_tmpdir/scmroot/umr'...
$ git fetch origin f95976b8b13a3d7b54a9d56e91397e5408400cdf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/umr
 * [new ref]         f95976b8b13a3d7b54a9d56e91397e5408400cdf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f95976b Update to 1.0.10