$ git clone -n https://gitee.com/src-opencloudos-rpms/nspr.git /var/lib/mock/dist-oc9-build-121197-71584/root/chroot_tmpdir/scmroot/nspr
Cloning into '/var/lib/mock/dist-oc9-build-121197-71584/root/chroot_tmpdir/scmroot/nspr'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nspr
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e256d18 import nspr-4.35-6.tl4