$ git clone -n https://gitee.com/opencloudos-stream/slowhttptest.git /var/lib/mock/dist-oc9-epol-build-84742-57387/root/chroot_tmpdir/scmroot/slowhttptest
Cloning into '/var/lib/mock/dist-oc9-epol-build-84742-57387/root/chroot_tmpdir/scmroot/slowhttptest'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/slowhttptest
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95d90a0 package init