$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libbytesize /var/lib/mock/dist-el8-build-5436-34/root/chroot_tmpdir/scmroot/libbytesize
Cloning into '/var/lib/mock/dist-el8-build-5436-34/root/chroot_tmpdir/scmroot/libbytesize'...
$ git reset --hard origin/a8
HEAD is now at 36a18a3 import libbytesize-1.4-3.el8.src.rpm