How Git keeps every version of your project without filling your disk
Git fast-forward merge: what happens when only one branch moved
Some Git merges are over in a second: one strange word, Fast-forward, and not a single new commit. So what did the merge do?
-
1
The night sky is ready. You switch to main and run
git merge night-mode, which asks Git to bring the night commits into main. -
2
It is over at once: Git prints "Fast-forward" and a short list of files. No new commit appears in the history, so what did Git do?
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