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Re: bug deleting "unmerged" branch (2.12.3)

Hi Ulrich,

On Tue, 28 Nov 2017, Ulrich Windl wrote:

> During a rebase that turned out to be heavier than expected 8-( I
> decided to keep the old branch by creating a temporary branch name to
> the commit of the branch to rebase (which was still the old commit ID at
> that time).
> When done rebasing, I attached a new name to the new (rebased) branch,
> deleted the old name (pointing at the same rebase commit), then
> recreated the old branch from the temporary branch name (created to
> remember the commit id).
> When I wanted to delete the temporary branch (which is of no use now), I
> got a message that the branch is unmerged.

This is actually as designed, at least for performance reasons (it is not
exactly cheap to figure out whether a given commit is contained in any
other branch).

> I think if more than one branches are pointing to the same commit, one
> should be allowed to delete all but the last one without warning. Do you
> agree?

No, respectfully disagree, because I have found myself with branches
pointing to the same commit, even if the branches served different
purposes. I really like the current behavior where you can delete a
branch with `git branch -d` as long as it is contained in its upstream