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Re: [PATCH] Making exported variables really global

From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: [PATCH] Making exported variables really global
Date: Sun, 04 Mar 2012 14:18:02 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20120216 Icedove/8.0

On 04.03.2012 14:08, Andreas Vogel wrote:
Hi all,

This tiny patch makes exported variables really global. Right now
exported variables are set in the context of a submenu when running it.
But any changes to those vars are lost when leaving the submenu. This
patch sets and exports all vars in the calling context for the submenu
which are exported in the context of the submenu.
We follow the bash behaviour. And the bash behaviour is exactly what GRUB does:
address@hidden:14:15:11:~/grub2/bzr/mainline$ bash
address@hidden:14:15:15:~/grub2/bzr/mainline$ export XYZ=x
address@hidden:14:15:19:~/grub2/bzr/mainline$ exit
address@hidden:14:15:20:~/grub2/bzr/mainline$ echo $XYZ


Vladimir 'φ-coder/phcoder' Serbinenko

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