$ git clone -n https://src.fedoraproject.org/rpms/python-beautifulsoup4.git /var/lib/mock/f42-flatpak-app-build-59153775-6571325/root/chroot_tmpdir/scmroot/python-beautifulsoup4
Cloning into '/var/lib/mock/f42-flatpak-app-build-59153775-6571325/root/chroot_tmpdir/scmroot/python-beautifulsoup4'...
$ git fetch origin 226f7346b2926e5fa965ecdcdc690dadcceb09be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-beautifulsoup4
 * [new ref]         226f7346b2926e5fa965ecdcdc690dadcceb09be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 226f734 4.13.4