$ git clone -n https://src.fedoraproject.org/rpms/classification-banner.git /var/lib/mock/f39-build-1489924-34502/root/chroot_tmpdir/scmroot/classification-banner
Cloning into '/var/lib/mock/f39-build-1489924-34502/root/chroot_tmpdir/scmroot/classification-banner'...
$ git fetch origin 7144dabf6bbd1182675fe5a3e241bfa69476bcad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/classification-banner
 * [new ref]         7144dabf6bbd1182675fe5a3e241bfa69476bcad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7144dab Remove our patches and release 1.7.2 (fedora#2238487)