$ git clone -n https://gitee.com/src-opencloudos-rpms/tigervnc.git /var/lib/mock/dist-oc9-build-251254-84085/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-oc9-build-251254-84085/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 66adaf617dfa684e6b2d4807ee9c390cfefe1185:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tigervnc
 * [new ref]         66adaf617dfa684e6b2d4807ee9c390cfefe1185 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66adaf6 import tigervnc-1.13.1-15.tl4