$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc8-build-73377-48881/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc8-build-73377-48881/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 80a65ab31b34fee8973e2799897393f9a2290582:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         80a65ab31b34fee8973e2799897393f9a2290582 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80a65ab import tigervnc-1.13.1-2.tl3.10