$ git clone -n https://gitee.com/src-opencloudos-rpms/tar /var/lib/mock/dist-oc8-build-30731-9148/root/chroot_tmpdir/scmroot/tar
Cloning into '/var/lib/mock/dist-oc8-build-30731-9148/root/chroot_tmpdir/scmroot/tar'...
$ git reset --hard origin/oc8
HEAD is now at 62f79b0 import tar-1.30-6.oc8