$ git clone -n https://gitee.com/src-opencloudos-rpms/shared-mime-info.git /var/lib/mock/dist-oc9-build-61354-16463/root/chroot_tmpdir/scmroot/shared-mime-info
Cloning into '/var/lib/mock/dist-oc9-build-61354-16463/root/chroot_tmpdir/scmroot/shared-mime-info'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/shared-mime-info
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb7cfb7 import shared-mime-info-2.2-4.tl4