$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc9-build-239129-82585/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc9-build-239129-82585/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin d0d991e0fa6b22c1f3d10eb408f51439b731768c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         d0d991e0fa6b22c1f3d10eb408f51439b731768c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0d991e import tigervnc-1.13.1-13.tl4