$ git clone -n https://gitee.com/opencloudos-stream/create-fake-rpm.git /var/lib/mock/dist-oc9-epol-build-75535-52273/root/chroot_tmpdir/scmroot/create-fake-rpm
Cloning into '/var/lib/mock/dist-oc9-epol-build-75535-52273/root/chroot_tmpdir/scmroot/create-fake-rpm'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/create-fake-rpm
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f106a96 package init