$ git clone -n https://src.fedoraproject.org/rpms/kf6-kconfig.git /var/lib/mock/f42-build-side-1-3533133-46342/root/chroot_tmpdir/scmroot/kf6-kconfig
Cloning into '/var/lib/mock/f42-build-side-1-3533133-46342/root/chroot_tmpdir/scmroot/kf6-kconfig'...
$ git fetch origin 4ede882edc50ed5c83e40a158597d4972440703e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kconfig
 * [new ref]         4ede882edc50ed5c83e40a158597d4972440703e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ede882 6.14.0