$ git clone -n https://gitee.com/src-opencloudos-rpms/rhc.git /var/lib/mock/dist-oc8-build-245016-83256/root/chroot_tmpdir/scmroot/rhc
Cloning into '/var/lib/mock/dist-oc8-build-245016-83256/root/chroot_tmpdir/scmroot/rhc'...
$ git fetch origin 0687ccbfd96400fa0dbcb18f5c10575a2e4ba491:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rhc
 * [new ref]         0687ccbfd96400fa0dbcb18f5c10575a2e4ba491 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0687ccb import rhc-0.2.5-9.tl3