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Re: Feature Request: Per-package custom save files?

From: T.V Raman
Subject: Re: Feature Request: Per-package custom save files?
Date: Mon, 23 Jun 2014 09:52:10 -0700

Hi Stefan,

Here are some "features" I'm looking for:
1. custom-clean-up would be nice.

2. My thought around factoring out custom settings into a
canonical per-package custom-settings file was to achieve the
second goal -- not loading settings for packages you dont use --

so: Today I have 
(setq custom-file (expand-file-name "~/.customize-emacs"))
In my .emacs.

What if instead -- for each add-on elisp package <foo>    we
used custom-<foo>-settings.el  -- then as an example,  I could
load custom-ecb-settings.el only when I load the <ecb> package.

Stefan Monnier writes:
 > > Could we arrange for customize to save package specific settings
 > > in a package-specific customizations file?  The present one
 > > custom file that binds them all feels like the Windows Registry:-)
 > Other than the feeling, what benefits are you looking for?
 > I'm not just asking rhetorically: the best solution depends on the answer.
 > One useful thing would be a custom-cleanup command which could show you
 > all your settings that are equal to the default.  Showing the settings
 > for packages you don't use would be a more difficult.  I guess we could
 > search for those settings in your load-path and if it's not found, it's
 > clearly an "obsolete" setting.  But if the setting still exists (you
 > just don't use its package), I'm not sure what we could do.  Maybe we
 > could move all your settings to an "unused" list of settings and then
 > move the settings out of that list whenever they're used.  So after
 > a few days/weeks you can look at the settings remaining in the "unused
 > list" to see which ones qualify.
 >         Stefan

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