$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcmutils.git /var/lib/mock/f41-build-side-1-2883814-34506/root/chroot_tmpdir/scmroot/kf6-kcmutils
Cloning into '/var/lib/mock/f41-build-side-1-2883814-34506/root/chroot_tmpdir/scmroot/kf6-kcmutils'...
$ git fetch origin 87179d2017557462e279b5c0d530c60eda5b703f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcmutils
 * [new ref]         87179d2017557462e279b5c0d530c60eda5b703f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87179d2 6.7.0