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Re: Rationale behind script-not-executable lintian warning

Bas Wijnen <shevek@fmf.nl> wrote:

> On Wed, Dec 21, 2005 at 05:45:43PM +0100, Frank K?ster wrote:
>> It's of course clear that any script in the path should be executable.
>> But if a script is in /usr/share/somewhere, and meant to be used as a
>> "library", it could be that upstream wants to allow both to source and
>> to execute it.
>> So to make lintian happy, I would have to make it executable although I
>> know it will never be executed by Debian programs.  Or I would have to
>> patch the file to remove the shebang line.
> If it is meant to be executed, it should be executable.  If it is not, it
> should not have the shebang line.  I don't see the problem.

The problem is that it isn't meant to be executed on a Debian system,
but by upstream.

> Indeed, if upstream wants to allow both to source and to execute it, then it
> is meant to be executed and thus should be executable IMO, even if the script
> is never executed from the Debian package (but only sourced).

If I make it executable, I would get the "executable-not-in-path"
lintian warning (or however it is called exactly).  

>> Therefore I'd rather keep things as they are, but there must be a reason
>> for the lintian warning.  In the Policy section on permissions I
>> couldn't find anything specific.
> I haven't seen anything in policy either, but I can't see any use for having a
> shebang line without execute permissions.  Can you give an example?

The rationale is not to have hunks for removing the shebang line
cluttering the Debian-specific patches, just for the sake of making
lintian silent.  If there's a reason for the warning, I can judge
whether it applies in my case, and fix it or add a lintian override.
But if I don't know any rationale (except "why not?"), I can't.

Regards, Frank
Frank Küster
Inst. f. Biochemie der Univ. Zürich
Debian Developer

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