$ git clone -n https://gitee.com/src-opencloudos-rpms/mtdev.git /var/lib/mock/dist-oc9-build-63107-16463/root/chroot_tmpdir/scmroot/mtdev
Cloning into '/var/lib/mock/dist-oc9-build-63107-16463/root/chroot_tmpdir/scmroot/mtdev'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mtdev
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e537194 import mtdev-1.1.6-4.tl4