$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libcgroup /var/lib/mock/dist-el8-build-5818-44/root/chroot_tmpdir/scmroot/libcgroup
Cloning into '/var/lib/mock/dist-el8-build-5818-44/root/chroot_tmpdir/scmroot/libcgroup'...
$ git reset --hard origin/a8
HEAD is now at a04ee63 import libcgroup-0.41-19.el8.src.rpm