$ git clone -n https://gitee.com/wangguangguan/sig-aliyun-smc-extensions.git /var/lib/mock/dist-an8.9-build-411931-72766/root/chroot_tmpdir/scmroot/sig-aliyun-smc-extensions
Cloning into '/var/lib/mock/dist-an8.9-build-411931-72766/root/chroot_tmpdir/scmroot/sig-aliyun-smc-extensions'...
$ git fetch origin b234e661bfa7a6c0a5c2085d552a6552f17c186f:KOJI_FETCH_HEAD
From https://gitee.com/wangguangguan/sig-aliyun-smc-extensions
 * [new ref]         b234e661bfa7a6c0a5c2085d552a6552f17c186f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b234e66 aliyun-smc-extensions: fix for spec