$ git clone -n https://src.fedoraproject.org/rpms/fcitx-m17n.git /var/lib/mock/f45-build-8758-394/root/chroot_tmpdir/scmroot/fcitx-m17n
Cloning into '/var/lib/mock/f45-build-8758-394/root/chroot_tmpdir/scmroot/fcitx-m17n'...
$ git fetch origin 6c56fde2abd1baac91d9f8a25267a0a2e00ad18e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx-m17n
 * [new ref]         6c56fde2abd1baac91d9f8a25267a0a2e00ad18e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c56fde Allow to build with CMake 4.0 (rhbz#2380579)