$ git clone -n https://gitee.com/src-anolis-os/emacs.git /var/lib/mock/dist-an8-build-69975-37229/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/dist-an8-build-69975-37229/root/chroot_tmpdir/scmroot/emacs'...
$ git reset --hard origin/a8
HEAD is now at 79d78fa update to emacs-26.1-7.el8