$ git clone -n https://src.fedoraproject.org/rpms/gupnp-tools.git /var/lib/mock/f45-build-13251-448/root/chroot_tmpdir/scmroot/gupnp-tools
Cloning into '/var/lib/mock/f45-build-13251-448/root/chroot_tmpdir/scmroot/gupnp-tools'...
$ git fetch origin 32900755bd544e8ed1d2abb06bf95593ae36ad7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gupnp-tools
 * [new ref]         32900755bd544e8ed1d2abb06bf95593ae36ad7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3290075 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild