$ git clone -n https://src.fedoraproject.org/rpms/anaconda-webui.git /var/lib/mock/f41-build-side-1-2903193-34680/root/chroot_tmpdir/scmroot/anaconda-webui
Cloning into '/var/lib/mock/f41-build-side-1-2903193-34680/root/chroot_tmpdir/scmroot/anaconda-webui'...
$ git fetch origin 3db336e4c067c0f2f2152bfdfa053db987fe8239:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/anaconda-webui
 * [new ref]         3db336e4c067c0f2f2152bfdfa053db987fe8239 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3db336e Update to 16 upstream release