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RE: Summary and next steps for (package-initialize)
From: |
Drew Adams |
Subject: |
RE: Summary and next steps for (package-initialize) |
Date: |
Thu, 24 Aug 2017 11:29:39 -0700 (PDT) |
> > Deciding to "install" a package is somewhat analogous to putting
> > a library in your `load-path'. That doesn't mean it gets loaded.
> > Activating a package (`package-initialize') is somewhat analogous
> > to loading a library.
>
> Just the autoloads, though, right? Not like `load' or `require'.
I'm not sure what you mean, or which part of what I wrote you are
referring to.
My point was that for the "old" system there are two actions or kinds
of opt-in, before a library is "activated": (1) put the code in your
`load-path' and (2) load it.
Just putting a library in your `load-path' does not load it.
If a library has autoloads, and if those are processed, and if the
user then (at some point) triggers an autoloaded function etc., then
the library is loaded. So there are actually 3 steps there.
Does `package-initialize' only process autoloads and not also load
a package? I guess so. And I guess that was your point/question.
> > My reply to that was to point out that being part of the core does
> > not imply activating. I said that "lots of things are a core part
> > of Emacs and not extensions, but we don't necessarily turn them on
> > eagerly and by default."
>
> I'm confused. We load their autoloads from loaddefs.el, don't we? Does
> package-initialize do more?
Maybe not. It's a good point.
So maybe `package-initialize' is more analogous to functions such as
`update-directory-autoloads' and `update-file-autoloads'.
That does modify much of what I've said. If "activating the package
system" means just processing the autoloads for packages that have
been "installed", so that it is like doing `update-directory-autoloads'
in each part of `load-path', then I guess I don't have a problem with
such automatic "activation".
(There remains, apparently, the question of how/when/where Emacs or
a user should invoke `package-initialize'.)
- Re: Summary and next steps for (package-initialize), (continued)
- Re: Summary and next steps for (package-initialize), Radon Rosborough, 2017/08/23
- RE: Summary and next steps for (package-initialize), Drew Adams, 2017/08/24
- Re: Summary and next steps for (package-initialize), Radon Rosborough, 2017/08/24
- Re: Summary and next steps for (package-initialize), Eli Zaretskii, 2017/08/24
- RE: Summary and next steps for (package-initialize), Drew Adams, 2017/08/24
- Re: Summary and next steps for (package-initialize), Clément Pit-Claudel, 2017/08/24
- RE: Summary and next steps for (package-initialize),
Drew Adams <=
- Re: Summary and next steps for (package-initialize), Clément Pit-Claudel, 2017/08/24
- RE: Summary and next steps for (package-initialize), Drew Adams, 2017/08/24
- Re: Summary and next steps for (package-initialize), Radon Rosborough, 2017/08/24
- Re: Summary and next steps for (package-initialize), Eli Zaretskii, 2017/08/24
- RE: Summary and next steps for (package-initialize), Drew Adams, 2017/08/24
- Re: Summary and next steps for (package-initialize), Eli Zaretskii, 2017/08/24
- Re: Summary and next steps for (package-initialize), Radon Rosborough, 2017/08/24
- Re: Summary and next steps for (package-initialize), Radon Rosborough, 2017/08/24
- Re: Summary and next steps for (package-initialize), Stefan Monnier, 2017/08/22
- Re: Summary and next steps for (package-initialize), Eli Zaretskii, 2017/08/24