Squash Messy Commits

Combine several WIP commits into one.

A intermediate Git challenge worth 10 points. Solve it hands-on in a real Git environment in your browser - no local setup, no fake shells.

The Challenge

Scenario: /tmp/repo has base + three messy "wip" commits.

Task: Squash the three wip commits into ONE (2 commits total). Keep the final file content.