$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc9-build-136975-79442/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc9-build-136975-79442/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 8bb1deb0a4e44aaf3505d681e6b16e3a03f45589:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         8bb1deb0a4e44aaf3505d681e6b16e3a03f45589 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bb1deb import tigervnc-1.13.1-9.tl4