$ git clone -n https://gitee.com/src-opencloudos-rpms/esc.git /var/lib/mock/dist-oc9-build-52540-14600/root/chroot_tmpdir/scmroot/esc
Cloning into '/var/lib/mock/dist-oc9-build-52540-14600/root/chroot_tmpdir/scmroot/esc'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/esc
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bf88bc import esc-1.1.2-3.tl4