README.md

This script is supposed to make it easier to use git range-diff to compare how a branch has changed over time. When GitHub says "@mythmon force pushed from abcdef to 123456", you can run git-interdiff.sh abcdef 123456 to get a difference of each of those branches, based on where they departed from the main branch.

Note that if this script is named to git-interdiff and placed on your $PATH, you can run it as git interdiff.

git-interdiff.sh

#!/usr/bin/env bash

# Check if both arguments are provided
if [ $# -lt 2 ]; then
  echo "Error: Not enough arguments provided."
  echo "Usage: $0 <first_commit> <second_commit>"
  exit 1
fi

first=$1
second=$2

git range-diff $(git merge-base origin/main $first)..$first $(git merge-base origin/main $second)..$second