$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-configtool.git /var/lib/mock/f40-build-1931861-25123/root/chroot_tmpdir/scmroot/fcitx5-configtool
Cloning into '/var/lib/mock/f40-build-1931861-25123/root/chroot_tmpdir/scmroot/fcitx5-configtool'...
$ git fetch origin a93c8d7f213178b227eab1f7725fc10a72becfd9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-configtool
 * [new ref]         a93c8d7f213178b227eab1f7725fc10a72becfd9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a93c8d7 update to upstream release 5.1.6