jj: Simpler and More Powerful Than Git
summary
Claim: a git‑compatible VCS called jj exists and is already used on Git repos and can replace git in practice; demo shows multiple backends including Git, commands like jj squash, split, new, push and workflows where a commit acts as the staging area instead of an index. JJ preserves stable identifiers while rewriting commits and automatically rebases descendants, lets conflicts be deferred, supports headless branches and mega merges, and the demo builds typo fixes and pushes a PR without leaving the current work.
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chapters (10)
- 0:00Introduction
- 1:18JJ vs Git
- 2:41No staging area
- 4:03Incremental commits
- 5:26Fixing and splitting commits
- 6:49Push without branches
- 7:32Merge conflicts and rebasing
- 9:16Defer conflict resolution
- 9:57Merge commits and absorb
- 10:18Trying JJ
