$ git clone -n https://src.fedoraproject.org/rpms/libgadu.git /var/lib/mock/f41-build-side-1-2644674-27025/root/chroot_tmpdir/scmroot/libgadu
Cloning into '/var/lib/mock/f41-build-side-1-2644674-27025/root/chroot_tmpdir/scmroot/libgadu'...
$ git fetch origin 516cdcae1699dd1a82ce22a8c1cd1fde441ea36a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgadu
 * [new ref]         516cdcae1699dd1a82ce22a8c1cd1fde441ea36a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 516cdca convert license to SPDX