#!/bin/bash
set -eu

git log --format="%aN" c01efc669f09508b55eced32d3c88702578a7c3e..1.0.0 | sort | uniq > beginning-to-1.0.txt
git log --format="%aN" 1.0.0.. | sort | uniq > 1.0-to-HEAD.txt

grep -v -f beginning-to-1.0.txt 1.0-to-HEAD.txt