$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc8-build-36905-12041/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc8-build-36905-12041/root/chroot_tmpdir/scmroot/tigervnc'...
$ git reset --hard origin/oc8
HEAD is now at 5573d8d import tigervnc-1.12.0-9.oc8.2