$ git clone -n https://src.fedoraproject.org/rpms/rpki-client.git /var/lib/mock/f41-build-855091-167063/root/chroot_tmpdir/scmroot/rpki-client
Cloning into '/var/lib/mock/f41-build-855091-167063/root/chroot_tmpdir/scmroot/rpki-client'...
$ git fetch origin b409e41d5c6178335ae07619e7eab1edda4371c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpki-client
 * [new ref]         b409e41d5c6178335ae07619e7eab1edda4371c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b409e41 Upgrade to 9.3 (#2314116)