$ git clone -n https://gitee.com/src-opencloudos-rpms/sratom.git /var/lib/mock/dist-oc9-epol-build-55311-14778/root/chroot_tmpdir/scmroot/sratom
Cloning into '/var/lib/mock/dist-oc9-epol-build-55311-14778/root/chroot_tmpdir/scmroot/sratom'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sratom
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5c7427 import sratom-0.6.14-2.tl4