重置后推送到新的git

Question

I have an existing git repo and I want to push all hashes(commits) from existing git repo to a new git repo that already has at least one hash(commit). So I would like to do the following:

1. git pull against existing git repo
2. rebase using new git repo
3. push to new git repo

What are the exact git commands I need to do in sequence?

Answer 1

I will assume that you will deal with possible rebase problems yourself

I will assume that there is at least one common ancestor suitable as a merge base , otherwise you will have to deal with this problem before following these steps

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I will add some intermediate steps to your proposed approach

1. Add remote repo ( new-repo ) to the old-repo
2. Fetch data from new-repo
3. Rebase master branch onto the master branch from new-repo (proceed with other branches in a similar fashion)
4. Push the updated branches to the new-repo repository

Question you might want to answer beforehand:

• Wouldn't it be easier to merge the two?

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1. Add new-repo as remote

    $ git remote add new-repo <url-to-new-repo> 

2. Fetch data of new-repo

    $ git fetch new-repo 

3. Rebase master (current branch and up-to-date) of old-repo onto master of new-repo

    $ git rebase new-repo/master 

4. Push to new-repo

    $ git push new-repo master:master