$ git clone -n https://gitee.com/opencloudos-stream/tigervnc.git /var/lib/mock/dist-ocs23-base-build-307259-31434/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-ocs23-base-build-307259-31434/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/tigervnc
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3eb4c4e !5 rebuild for xorg Merge pull request !5 from Xinlong-Chen/master