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From:   Martin von Zweigbergk <martinvonz@google.com>
Date:   Fri, 28 Oct 2022 22:46:37 -0700
Message-ID: <CAESOdVBpsbJ0obD=qDjHBJg-wwWUL5sQ-7X_h13Vw39Q9QUzHA@mail.gmail.com>
Subject: Bug in `git branch --delete main` when on other orphan branch
To:     Git Mailing List <git@vger.kernel.org>
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Hi,

I did this:
git init test
cd test
echo a > file
git add file
git commit -m a
git checkout --orphan other
git branch --delete main

The last command fails with:
fatal: Couldn't look up commit object for HEAD

That's a bug, right? I can of course work around it with `rm
.git/refs/heads/main`.