$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-anthy.git /var/lib/mock/f40-build-1931850-25123/root/chroot_tmpdir/scmroot/fcitx5-anthy
Cloning into '/var/lib/mock/f40-build-1931850-25123/root/chroot_tmpdir/scmroot/fcitx5-anthy'...
$ git fetch origin 747d547418d5169bab041fbbe71e9ba60394e10b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-anthy
 * [new ref]         747d547418d5169bab041fbbe71e9ba60394e10b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 747d547 update to upstream release 5.1.4