$ git clone -n https://gitee.com/mgb01105731/libvncserver_2.git /var/lib/mock/dist-an23-build-326043-68956/root/chroot_tmpdir/scmroot/libvncserver_2
Cloning into '/var/lib/mock/dist-an23-build-326043-68956/root/chroot_tmpdir/scmroot/libvncserver_2'...
$ git reset --hard origin/a23
HEAD is now at f931fd9 fix CVE-2020-29260