Re: Caution when removing git branches

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Caution when removing git branches
Date: 2011-01-26 16:49:29
Message-ID: 201101261649.p0QGnTI21805@momjian.us
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Robert Haas wrote:
> On Wed, Jan 26, 2011 at 11:26 AM, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> > For those of you using git, I wanted to point out that it is fairly easy
> > to remove git branches. ?For example, I can easily remove a branch on
> > my github repository using:
> >
> > ? ? ? ?$ git branch -d :branch_name
> >
> > I don't believe that is revertable. ?What is scarey is that this could
> > be done on our 'origin' as well.
>
> The colon in that syntax is flat wrong. But branch deletes won't

Sorry, I was wrong. The syntax is:

pggit push github :branch_name

which is even easier to mistype.

> automatically propagate between repositories. I do things like this
> all the time:
>
> git branch -d REL8_4_STABLE
>
> Doesn't delete it from the master at all, and I can recreate it
> whenever I like using:
>
> git checkout REL8_4_STABLE
>
> In fact, even I do this, it's harmless:
>
> git branch -r -D origin/REL8_4_STABLE
>
> Because it'll be undone the next time I do this:
>
> git pull

Wow, that removes it just from your local tree --- interesting.

> Now, there IS an incantation to destroy a branch from the upstream
> repository (using git push with an argument) but even if that
> happened, it wouldn't propagate to cloned copies, so someone else
> could easily put it back.

OK, thanks.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +

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