$ git clone -n https://gitee.com/mgb01105731/m17n-lib.git /var/lib/mock/dist-an23.2-build-422103-72903/root/chroot_tmpdir/scmroot/m17n-lib
Cloning into '/var/lib/mock/dist-an23.2-build-422103-72903/root/chroot_tmpdir/scmroot/m17n-lib'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/m17n-lib
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4888ffd Update to 1.8.4 from 1.8.3