$ git clone -n https://gitee.com/opencloudos-stream/dejagnu.git /var/lib/mock/dist-ocs23-build-44421-2059/root/chroot_tmpdir/scmroot/dejagnu
Cloning into '/var/lib/mock/dist-ocs23-build-44421-2059/root/chroot_tmpdir/scmroot/dejagnu'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/dejagnu
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f86fae2 update