$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc8-build-120208-71080/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc8-build-120208-71080/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 327656fe06bc528d854f667b842fb06b61d1a387:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         327656fe06bc528d854f667b842fb06b61d1a387 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 327656f import tigervnc-1.13.1-14.tl3