$ git clone -n https://src.fedoraproject.org/rpms/wl-mirror.git /var/lib/mock/f41-build-837182-159000/root/chroot_tmpdir/scmroot/wl-mirror
Cloning into '/var/lib/mock/f41-build-837182-159000/root/chroot_tmpdir/scmroot/wl-mirror'...
$ git fetch origin d260e001810d35deb81ba8a542131d06d12358cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wl-mirror
 * [new ref]         d260e001810d35deb81ba8a542131d06d12358cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d260e00 Update to 0.16.5