File-local and directory-local variable thoughts

[Perry Smith <pedz@easesoftware.com>]

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In the past, I wanted to set rspec-spec-command in a .dir-locals.el file but when I did, I got the question if I wanted to apply the list every time I loaded a file or reloaded a file or reloaded a directory.

I download a lot of gunk from the internet.  Mostly source code to help me understand things.  So… I really don’t want to globally say “yes, it is safe to set this variable”.  What I’d prefer to say is “Yes, I want to set this variable to this value within this directory (or file).

So how about keeping a directory (or file) to hash list?  The hash would be for the entire .dir-locals.el file and the equivalent for file local variables.

Then, as a first check, if the directory / hash pair is found, it is deemed trust worthy and processed.  Else, the current implementation is used perhaps with the alteration that the ‘!’ and ‘I’ options are always presented and when the ‘!’ Is given, it will add the appropriate directory / hash to the list.

Thoughts?

Thank you for your time.

p.s. I halfway expect someone to see “Oh… that’s the blah dirs local package here…” which is partly why I’m asking.


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