$ git clone -n https://gitee.com/src-opencloudos-rpms/m17n-lib /var/lib/mock/dist-oc9-build-67415-38657/root/chroot_tmpdir/scmroot/m17n-lib
Cloning into '/var/lib/mock/dist-oc9-build-67415-38657/root/chroot_tmpdir/scmroot/m17n-lib'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/m17n-lib
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08d6364 Rebuild