$ git clone -n https://gitee.com/src-opencloudos-rpms/rhc.git /var/lib/mock/dist-oc8-build-237598-82436/root/chroot_tmpdir/scmroot/rhc
Cloning into '/var/lib/mock/dist-oc8-build-237598-82436/root/chroot_tmpdir/scmroot/rhc'...
$ git fetch origin 240cd4a6eaa93df90088665f0e7ff524d286e45a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rhc
 * [new ref]         240cd4a6eaa93df90088665f0e7ff524d286e45a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 240cd4a import rhc-0.2.5-5.tl3