$ git clone -n https://gitee.com/mgb01105731/emacs.git /var/lib/mock/dist-an23-build-371011-71458/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/dist-an23-build-371011-71458/root/chroot_tmpdir/scmroot/emacs'...
$ git reset --hard origin/a23.0
HEAD is now at 8a937ed update to 29.3