$ git clone -n https://gitee.com/mgb01105731/tigervnc.git /var/lib/mock/dist-an23.2-build-446521-73323/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-an23.2-build-446521-73323/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 16c66de53a85d19c0ad66b4446fb59deca109153:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/tigervnc
 * [new ref]         16c66de53a85d19c0ad66b4446fb59deca109153 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16c66de Rebuild with new xorg-x11-server