$ git clone -n https://src.fedoraproject.org/rpms/python-beautifulsoup4.git /var/lib/mock/f39-build-2265436-54585/root/chroot_tmpdir/scmroot/python-beautifulsoup4
Cloning into '/var/lib/mock/f39-build-2265436-54585/root/chroot_tmpdir/scmroot/python-beautifulsoup4'...
$ git fetch origin b970158806a9bbcf5bd79e4517925207d683aefa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-beautifulsoup4
 * [new ref]         b970158806a9bbcf5bd79e4517925207d683aefa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b970158 4.12.3