$ git clone -n https://src.fedoraproject.org/rpms/kf5-kconfig.git /var/lib/mock/f40-build-786915-134632/root/chroot_tmpdir/scmroot/kf5-kconfig
Cloning into '/var/lib/mock/f40-build-786915-134632/root/chroot_tmpdir/scmroot/kf5-kconfig'...
$ git fetch origin 478d61a56e981976b08d2addcf6111f818b9530d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kconfig
 * [new ref]         478d61a56e981976b08d2addcf6111f818b9530d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 478d61a 5.115.0