$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/protobuf-c /var/lib/mock/dist-el8-build-4151-34/root/chroot_tmpdir/scmroot/protobuf-c
Cloning into '/var/lib/mock/dist-el8-build-4151-34/root/chroot_tmpdir/scmroot/protobuf-c'...
$ git reset --hard origin/a8
HEAD is now at 18390de import protobuf-c-1.3.0-4.el8.src.rpm