$ git clone -n https://gitee.com/opencloudos-stream/udftools.git /var/lib/mock/dist-ocs23-build-285478-27660/root/chroot_tmpdir/scmroot/udftools
Cloning into '/var/lib/mock/dist-ocs23-build-285478-27660/root/chroot_tmpdir/scmroot/udftools'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/udftools
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8af11f5 !1 add systemd-devel buildrequire which contains pkgconf file.. Merge pull request !1 from cunshunxia/master