$ git clone -n https://src.fedoraproject.org/rpms/at.git /var/lib/mock/f41-build-837307-159016/root/chroot_tmpdir/scmroot/at
Cloning into '/var/lib/mock/f41-build-837307-159016/root/chroot_tmpdir/scmroot/at'...
$ git fetch origin 5f6bc87dd0f8fedd63cb63e41b3a3000cb35dd35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/at
 * [new ref]         5f6bc87dd0f8fedd63cb63e41b3a3000cb35dd35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f6bc87 Backport PR from upstream addressing SAST issues