$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcoreaddons.git /var/lib/mock/f41-build-side-114591-60926043-6585985/root/chroot_tmpdir/scmroot/kf6-kcoreaddons
Cloning into '/var/lib/mock/f41-build-side-114591-60926043-6585985/root/chroot_tmpdir/scmroot/kf6-kcoreaddons'...
$ git fetch origin 4f67a4963a7ab7eb03f7b07f6e58832694a925be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcoreaddons
 * [new ref]         4f67a4963a7ab7eb03f7b07f6e58832694a925be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f67a49 6.16.0