$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc9-build-229287-81316/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc9-build-229287-81316/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 45cf4da409f48272ab13ea33943c6099bc5250d3:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         45cf4da409f48272ab13ea33943c6099bc5250d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45cf4da import tigervnc-1.13.1-11.tl4