$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/ibus-m17n /var/lib/mock/dist-el8-build-6291-94/root/chroot_tmpdir/scmroot/ibus-m17n
Cloning into '/var/lib/mock/dist-el8-build-6291-94/root/chroot_tmpdir/scmroot/ibus-m17n'...
$ git reset --hard origin/a8
HEAD is now at 864e8a4 import ibus-m17n-1.3.4-26.el8.src.rpm