$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-m17n.git /var/lib/mock/f40-build-801596-143829/root/chroot_tmpdir/scmroot/fcitx5-m17n
Cloning into '/var/lib/mock/f40-build-801596-143829/root/chroot_tmpdir/scmroot/fcitx5-m17n'...
$ git fetch origin b7922a2c34adebf9a2bd4f27c2ea8f7f832f0f60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-m17n
 * [new ref]         b7922a2c34adebf9a2bd4f27c2ea8f7f832f0f60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7922a2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild