$ git clone -n https://gitee.com/src-opencloudos-rpms/rhc.git /var/lib/mock/dist-oc8-build-250235-83968/root/chroot_tmpdir/scmroot/rhc
Cloning into '/var/lib/mock/dist-oc8-build-250235-83968/root/chroot_tmpdir/scmroot/rhc'...
$ git fetch origin 1fcbc33cbdb225f2f7b5433e926cf96e6ee41d43:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rhc
 * [new ref]         1fcbc33cbdb225f2f7b5433e926cf96e6ee41d43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fcbc33 import rhc-0.2.5-11.tl3