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Comments on Turn all changes after latest origin/main into a branch

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Turn all changes after latest origin/main into a branch

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I have a git history that basically looks like this:

* commit: XXX (HEAD -> main)
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* commit: YYY
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* commit: ZZZ (origin/main)
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...

Now I would like to turn everything after the last origin/main into a named branch (that is, the changed repository would look as if I branched at commit: ZZZ).

Is this possible, and if so, what is the best way to do it?

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+2
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I handle this with:

  1. Create a new branch with same commits
  2. Delete commits from main branch

In the situation shown, if you do git checkout -b new_branch it will create a new branch with the same commits. You then switch back to main and get rid of the commits on it with git reset HEAD~2.

You can use ZZZ instead of HEAD~2 as the argument to reset if you don't want to count them. I think origin/main might also work. You can pass --hard so that it doesn't leave uncommitted files for you to clean up.

This is also known as "I forgot to switch to a feature branch before making my commits".

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2 comment threads

Misunderstands branches (2 comments)
Works for me (1 comment)
Misunderstands branches
user253751‭ wrote 2 months ago

This works, but it makes a hash out of the reasons it works, since commits aren't added or removed to branches, but rather branches are pointers to their latest commits. It might mislead someone trying to understand git better.

TraceReilly‭ wrote 5 days ago

@Undertale Yellow Git works in such a way that each commit in a repository is assigned a unique SHA-1 (or SHA-256 in some newer systems) hash, which identifies that commit and ensures its integrity.