Re: plugins as separate packages for desktop application

[Tobias Geerinckx-Rice <me@tobias.gr>]

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Jack,

Jack Hill 写道：
> I think a good way forward would be to work with upstreams to 
> have
> their applications support an APPNAME_PLUGIN_PATH variable and 
> when
> plugins are present in a profile they would augment that 
> variable.

I agree.  Many packages already do this & it jives nicely with our 
native-search-paths feature.

Two random lessons from previous experience with (well-meaning) 
upstreams:

1. Ensure that it's a search path (in the GNU sense of the word), 
a standard colon-separated one if at all possible, not just a 
single directory.
2a. Ensure that this environment variable can't be too easily 
(=accidentally) masked by a user preference, and
2b. don't use it as a 'default value' to initialise a preference 
that will later be saved to disc, because that's how we end up 
with weird bugs.

Thanks for taking charge of this,

T G-R

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