$ git clone -n https://src.fedoraproject.org/rpms/anaconda-webui.git /var/lib/mock/f41-build-side-1-2645814-27204/root/chroot_tmpdir/scmroot/anaconda-webui
Cloning into '/var/lib/mock/f41-build-side-1-2645814-27204/root/chroot_tmpdir/scmroot/anaconda-webui'...
$ git fetch origin 6ce7fd2408217a108d43bedf94fcaf60c5920824:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/anaconda-webui
 * [new ref]         6ce7fd2408217a108d43bedf94fcaf60c5920824 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ce7fd2 Rebuild to get a combined update with anaconda