$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcompletion.git /var/lib/mock/f42-build-863306-171605/root/chroot_tmpdir/scmroot/kf6-kcompletion
Cloning into '/var/lib/mock/f42-build-863306-171605/root/chroot_tmpdir/scmroot/kf6-kcompletion'...
$ git fetch origin 35a6994b891dc93e7e43c7d80a925f00a1274189:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcompletion
 * [new ref]         35a6994b891dc93e7e43c7d80a925f00a1274189 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35a6994 Frameworks 6.9