$ git clone -n https://src.fedoraproject.org/rpms/dippi.git /var/lib/mock/f40-build-2065735-49270/root/chroot_tmpdir/scmroot/dippi
Cloning into '/var/lib/mock/f40-build-2065735-49270/root/chroot_tmpdir/scmroot/dippi'...
$ git fetch origin b1d801603d1389c7d4cb3b136178858857bf26f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dippi
 * [new ref]         b1d801603d1389c7d4cb3b136178858857bf26f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1d8016 Fix deprecated top-level developer_name in AppData XML