$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc8-build-67347-28600/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc8-build-67347-28600/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin d9c2e22b894b6555b5cf8c36436f1d9afa2fb133:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         d9c2e22b894b6555b5cf8c36436f1d9afa2fb133 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9c2e22 import tigervnc-1.13.1-2.tl3.7