Programmatic Interactive Git Rebase

This skill enables non-interactive execution of git interactive rebases. Use this when you need to:

• Absorb/fixup commits into earlier commits
• Squash multiple commits together
• Reorder commits
• Drop commits
• Reword commit messages (limited support)

The Problem

Git's interactive rebase (git rebase -i) normally opens an editor for the user to modify a "todo" file. The GIT_SEQUENCE_EDITOR environment variable can override this, but:

1. macOS BSD sed has different syntax than GNU sed for multi-line operations
2. Complex todo modifications (reordering, inserting lines) are error-prone with sed

The Solution