$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/gcc-toolset-9-annobin /var/lib/mock/dist-el8-build-6193-84/root/chroot_tmpdir/scmroot/gcc-toolset-9-annobin
Cloning into '/var/lib/mock/dist-el8-build-6193-84/root/chroot_tmpdir/scmroot/gcc-toolset-9-annobin'...
$ git reset --hard origin/a8
HEAD is now at faeb1a5 import gcc-toolset-9-annobin-9.08-4.el8.src.rpm