GNU bug report logs - #10125
24.0.91; package.el (org): Macros in tar packages & order of byte compilation

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Glenn Morris <rgm <at> gnu.org>
Cc: stelian.iancu <at> gmail.com, 10125 <at> debbugs.gnu.org, kjambunathan <at> gmail.com
Subject: bug#10125: 24.0.91; package.el (org): Macros in tar packages & order of byte compilation
Date: Fri, 25 Nov 2011 10:10:26 +0200

> From: Glenn Morris <rgm <at> gnu.org>
> Cc: Eli Zaretskii <eliz <at> gnu.org>, 10125 <at> debbugs.gnu.org,  stelian.iancu <at> gmail.com
> Date: Thu, 24 Nov 2011 14:09:38 -0500
> 
> I guess nobody ever expected the package manager to be used to load a
> different version of something that was already in Emacs.

Indeed.  Because doing this is asking for trouble: Emacs loads
packages in a certain order to avoid several subtle problems; doing
that in a different order defeats that.

I think package.el should test with featurep whether a version of a
package is already loaded, and refuse to load it into a running
session, or at least display a warning to that effect, suggesting to
restart Emacs.

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