Mailinglist Archive: opensuse-factory (422 mails)

[Dave Plater <dave.plater@xxxxxxxxxxx>]

Dominique Leuenberger wrote:
> > > > On 1/21/2009 at  1:15 PM, Dave Plater <dave.plater@xxxxxxxxxxx> wrote: 
> > > >         
> > Ok I just tested, I disabled proxy via yast and then shut squid down.
> > ..curl was then cleaned out but the variable $http_proxy still contained
> > the proxy address and zypper ref failed. I then export http_proxy= and
> > zypper ref worked correctly. From this I would conclude yast proxy
> > settings should clear the environment variable when proxy is disabled
> > and the problem of logout/login being required would be solved, would
> > you agree?
> >     
>
> You can't clear an environment variable from a parent process (shell). This 
> is simply not possible.
>
> Check this schema
>
> bash (env0)
>   yast2 (env0.1)
>     yast2-doSomething (env0.1.1)
>   zypper (env0.2)
>
>  
> Whenever you spawn a child process, the environment from the parent is copied 
> and that's the only environment you can modify. So if yast-doSomething
> would clear the http_proxy, that would be completely useless for a later 
> start of zypper, as it will copy env0 again and create 0.2... so no go at
> all...
>
> Dominique
>
>   
I understand from this that I can clear the variable myself from a root
konsole but yast is unable to do this, correct? As I said previously I
successfully stopped a fresh instance of zypper from using the proxy by
clearing the variable from the command line as root.
Regards
Dave P

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