[Nix-dev] Thoughts: What about using aufs instead of symlinks + env vars?

[Michael Raskin]

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Marc Weber wrote:
> _In depths description of the pygtk issue_:
> The lib is imported by python in two phases:
> import pygtk; pygtk.require 'version X'
> The last command adds libPath/verisonX to its installation directiory. 
> The problem is that pygtk doesn't know that depending libraries also
> provding libPath/versionX are installed into different store paths.
> so pygtk has to be patched to add libPath/versionX to all sys.path items
> which can end up in many more "does directory exist" lookups than
> it does on other systems. By using aufs you don't have to care you don't
> even have to patch.

Now you are forced to patch some things out but you are sure they are
not there. So package A is installable + package B is installable =>
packages A and B are installable in the same user profile.
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