$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libbase /var/lib/mock/dist-el8-build-6902-247/root/chroot_tmpdir/scmroot/libbase
Cloning into '/var/lib/mock/dist-el8-build-6902-247/root/chroot_tmpdir/scmroot/libbase'...
$ git reset --hard origin/a8
HEAD is now at 6db40c9 import libbase-1.1.3-18.el8.src.rpm