$ git clone -n https://src.fedoraproject.org/rpms/mozc.git /var/lib/mock/f40-build-2726086-73122/root/chroot_tmpdir/scmroot/mozc
Cloning into '/var/lib/mock/f40-build-2726086-73122/root/chroot_tmpdir/scmroot/mozc'...
$ git fetch origin b8d8743c646eed66aecca0c968e21648e1357648:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mozc
 * [new ref]         b8d8743c646eed66aecca0c968e21648e1357648 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8d8743 Rebuilt for abseil-cpp-20240116.0