$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc8-build-116963-68256/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc8-build-116963-68256/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 2215a1b3519d39851f281ef2aba142fd46c77b8e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         2215a1b3519d39851f281ef2aba142fd46c77b8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2215a1b import tigervnc-1.13.1-13.tl3