$ git clone -n https://gitee.com/lxpzlm/emacs.git /var/lib/mock/dist-an8_8-el9-build-167348-58815/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/dist-an8_8-el9-build-167348-58815/root/chroot_tmpdir/scmroot/emacs'...
$ git reset --hard origin/a8
HEAD is now at 0828abd update to emacs-27.2-6.el9.src.rpm