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From:   Erik Cervin Edin <erik@cervined.in>
Date:   Thu, 3 Nov 2022 17:52:15 +0100
Message-ID: <CA+JQ7M-nmQAdOGERCFbhd6v4o-mxg7T5JeKAC=pAGs1SqAzC=Q@mail.gmail.com>
Subject: Re: rebase -i --update-refs can lead to deletion of branches
To:     "herr.kaste" <herr.kaste@gmail.com>
Cc:     phillip.wood@dunelm.org.uk,
        "git@vger.kernel.org" <git@vger.kernel.org>,
        Derrick Stolee <derrickstolee@github.com>
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On Thu, Nov 3, 2022 at 4:34 PM herr.kaste <herr.kaste@gmail.com> wrote:
>
> I have the following reproduction
>
> ```
> git init &&
> git commit --allow-empty -m "Init" &&
> git commit --allow-empty -m "A" &&
> git checkout -b feature &&
> git commit --allow-empty -m "B" &&
> git commit --allow-empty -m "C" &&
> GIT_SEQUENCE_EDITOR="sed -i -e '/^update-ref/d'" git rebase
> --update-refs master^ --interactive
> ```

Some minor changes
Better explicitly name the branch master
  git init -b master &&

also
  GIT_SEQUENCE_EDITOR="sed -i -e '/^u/d'" git rebase --update-refs
master^ --interactive
in case of short-form interactive rebase

But yes, it deletes the master branch