Fergal Daly wrote: > On 10/05/07, Forest Bond <[EMAIL PROTECTED]> wrote: >> On Wed, May 09, 2007 at 07:03:30PM -0400, Jim Doherty wrote: >>> Sorry, I have no idea what ubuntu policy is. But good defensive >>> scripting practice includes setting your $PATH to something safe. A >>> good script should always not trust the environment it was handed along >>> with many other things that people don't always do. >> I have to disagree. The environment is precisely the tool available to >> users to >> change the behavior of your script externally. It's not nice to stomp on >> user >> preferences. >> >> The original problem is user error. Installing an upgraded perl in >> /usr/local >> without installing all of the needed perl libraries or removing >> /usr/local/bin >> from the default system PATH is incorrect usage. Don't break features to >> avoid >> user error, please. > > You have 2 assertions in one sentence, I'm splitting them up. > > 1 - "Installing an upgraded perl in /usr/local without installing all > of the needed perl libraries is incorrect usage" > > This directly contradicts the debian policy I quoted which essentially > says that the contents of /usr/local should have no impact on whether > your system works or not. I know Debian is not Ubuntu but in the > absence of Ubuntu policy docs, I'm assuming that the Debian policy is > a sane starting point.
Yes, but that's not actually what it states (repasted):
> "However, because /usr/local and its contents are for exclusive use of
> the local administrator, a package must not rely on the presence or
> absence of files or directories in /usr/local for normal operation."
It is not relying on the presence or absence of any files. It is relying
on your PATH to give it a good perl. That /perl/ is relying on the
presence or absence of various files. I don't think that this paragraph
was ever meant to be applied to such indirect reliance.
> You are also implying that everything in /usr/bin that start with
>
> #! /usr/bin/{perl,python,...}
>
> is wrong and should actually start with
>
> #! {perl,python,...}
That doesn't work. #! requires a path.
--
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer...
http://micah.cowan.name/
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