$ git clone -n https://gitee.com/src-opencloudos-rpms/nginx.git /var/lib/mock/dist-oc9-build-67655-46365/root/chroot_tmpdir/scmroot/nginx
Cloning into '/var/lib/mock/dist-oc9-build-67655-46365/root/chroot_tmpdir/scmroot/nginx'...
$ git fetch origin 7c7366c6527eb15c64e3a34bf12aba8f7953c33b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nginx
 * [new ref]         7c7366c6527eb15c64e3a34bf12aba8f7953c33b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c7366c Add auto-patch changlog