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How Jujutsu’s megamerge streamlines multi-branch development

Hacker News •
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A seasoned Jujutsu user on Hacker News is urging developers to adopt the “megamerge” workflow, a pattern that stitches together multiple branches in a single commit. Unlike typical Git merges, Jujutsu treats merge commits as ordinary nodes, allowing any number of parents. This flexibility underpins the octopus merge technique that powers the workflow. Developers juggling dozens of tiny PRs appreciate the reduced mental overhead.

Practically, you create an empty commit whose parents are every branch you care about—feature work, bug fixes, pending pull requests, or even local setup branches. That commit becomes the megamerge, never pushed itself but serving as a live integration point. As long as the megamerge builds, you can be confident all pieces compile together without surprise conflicts. A quick rebase onto the megamerge restores alignment.

To move changes out of the megamerge, Jujutsu offers the absorb and squash commands, which automatically route hunks to their appropriate downstream commits. A single rebase can then sync the megamerge with trunk, keeping every branch up‑to‑date. The result is fewer context switches, smoother small PRs, and a development flow that scales across complex codebases. Absorb handles most hunks automatically, letting developers focus on code.