$ git clone -n https://gitee.com/opencloudos-stream/unifdef.git /var/lib/mock/dist-ocs23-build-30211-1191/root/chroot_tmpdir/scmroot/unifdef
Cloning into '/var/lib/mock/dist-ocs23-build-30211-1191/root/chroot_tmpdir/scmroot/unifdef'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/unifdef
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc11323 !1 Initial build Merge pull request !1 from jackxjchen/master