$ git clone -n https://gitee.com/costinchen/nss.git /var/lib/mock/dist-ocs23-base-build-328142-35142/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/dist-ocs23-base-build-328142-35142/root/chroot_tmpdir/scmroot/nss'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/costinchen/nss
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0849b01 fix SMx patches