$ git clone -n https://src.fedoraproject.org/rpms/eog.git /var/lib/mock/f41-build-841852-161414/root/chroot_tmpdir/scmroot/eog
Cloning into '/var/lib/mock/f41-build-841852-161414/root/chroot_tmpdir/scmroot/eog'...
$ git fetch origin 1d763c6df3954d16c956216335768fbcb606088f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eog
 * [new ref]         1d763c6df3954d16c956216335768fbcb606088f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d763c6 Update to 47.beta