From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 01 Aug 2024 18:34:59 GMT
Subject: Re: [Bug] Temp file use in t0018.6
Message-ID: <xmqqbk2cum5o.fsf@gitster.g>
In-Reply-To: <02d401dae43e$c076b000$41641000$@nexbridge.com>

<rsbecker@nexbridge.com> writes:

> In the 2.46.0 test suite on NonStop I'm getting the following surprise
> error:
>
> expecting success of 0018.6 'advice should be printed when GIT_ADVICE is set
> to true':
>         q_to_tab >expect <<-\EOF &&
>         On branch trunk
>
>         No commits yet
>
>         Untracked files:
>           (use "git add <file>..." to include in what will be committed)
>         QREADME
>
>         nothing added to commit but untracked files present (use "git add"
> to track)
>         EOF
>
>         test_when_finished "rm -fr advice-test" &&
>         git init advice-test &&
>         (
>                 cd advice-test &&
>                 >README &&
>                 GIT_ADVICE=true git status
>         ) >actual &&
>         cat actual > /tmp/actual &&
>         test_cmp expect actual

Sheesh.

We should *not* be assuming what is in /tmp.  Our TMPDIR may not
even be set to point at /tmp.  Anybody can create directory 'actual'
there and break this test.

I thought this was a left-over debugging copy while reviewing the
patch, and I thought I had pointed it out to the author and/or I
removed it while queuing it.  The copy to /tmp/actual with cat
should be removed.

Thanks for noticing.  Are there other reference to /tmp in our test
suite I have to wonder...