$ git clone -n https://src.fedoraproject.org/rpms/kf6-kconfig.git /var/lib/mock/f40-build-774106-127645/root/chroot_tmpdir/scmroot/kf6-kconfig
Cloning into '/var/lib/mock/f40-build-774106-127645/root/chroot_tmpdir/scmroot/kf6-kconfig'...
$ git fetch origin 81616e4214b223d02f7ee2f919457806401b5b0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kconfig
 * [new ref]         81616e4214b223d02f7ee2f919457806401b5b0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81616e4 5.248.0