[wpkg-users] Disable FBWF before installing software

[VERDEYEN Jonathan]

Heiko's solution seems to make sense, it should work but then when I want to disable the FBWF manually, I would have to disable WPKG-GP too or it would be enabled and rebooted on next restart so I have to take that in account.
I haven't had time to test but I will report as soon as I can.
But about Stefan's remark, it would indeed be better to make a separate "disable FBWF" package which would be called from each of the original packages, but I don't think there's a way to do it currently or is there ?


Jonathan Verdeyen
IT Engineer

Automatic Systems S.A. - Avenue Mercator, 5 - 1300 Wavre - Belgique
Phone: +32 (0)10 23 02 97 - Fax : +32 (0)10 23 02 02
www.automatic-systems.com



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-----Original Message-----
From: wpkg-users-bounces at lists.wpkg.org [mailto:wpkg-users-bounces at lists.wpkg.org] On Behalf Of Stefan Pendl
Sent: vendredi 16 novembre 2012 09:12
To: heiko.helmle at horiba.com
Cc: wpkg-users at lists.wpkg.org
Subject: Re: [wpkg-users] Disable FBWF before installing software

Am 14.11.2012 18:24, schrieb heiko.helmle at horiba.com:
>  > >
>  > > Wouldn't this cause a reboot loop? The enable and disable package
> both  > > need an immediate reboot...
>  >
>  > One could set an environment variable to avoid this, which gets
> checked  > to prevent the execution of the install commands.
>  >
>  > The reboot loop problem exists with the first solution presented to
> the  > OP too.
>  >
>
> Does it?
>
> First Boot:
> the <condition> says FBWF is on, so FBWF gets disabled and an the
> system boots immediately (<exit code='bla' reboot='true/>)
>
> Second Boot:
> the <condition> for the disable command checks if it is already
> disabled. If it is disabled - no reboot -> packages get installed.
> Then the Prio-0 Package installs last, enables FBWF, reboots.
>
> Third boot:
> No packages scheduled for install - so FBWF won't be disabled and
> prio0-package won't get installed (because it is execute=change).
> System boots normal.
>
> Of course getting this bug-free is a challenge (one bad package def
> will cause a reboot loop) - but i think it's possible.

Sure there will be the need to include a flagging system to prevent a reboot loop, but that is needed for both ways.

One will have to decide which way is adding less to the overall amount of maintenance of the packages.

I myself would not want to have the same type of code in all of my packages.
Sure there are ways to automate this, like it is shown by the Firefox extensions, that use a common framework which gets filled in while the package is read.


--
Stefan P.

Top-posting:
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
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