$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-configtool.git /var/lib/mock/f41-build-side-1-2929950-35118/root/chroot_tmpdir/scmroot/fcitx5-configtool
Cloning into '/var/lib/mock/f41-build-side-1-2929950-35118/root/chroot_tmpdir/scmroot/fcitx5-configtool'...
$ git fetch origin 5cbfd37cf84bd87cde2e04501d7ca9c71dbd7998:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-configtool
 * [new ref]         5cbfd37cf84bd87cde2e04501d7ca9c71dbd7998 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cbfd37 update to upstream release 5.1.7