GNU bug report logs - #14082
24.3; Package dependences calculated in reverse

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Message #10 received at 14082-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Donald Curtis <dcurtis <at> coe.edu>
Cc: 14082-done <at> debbugs.gnu.org
Subject: Re: bug#14082: 24.3; Package dependences calculated in reverse
Date: Wed, 03 Apr 2013 22:46:44 -0400

> * rinari requires: ruby-mode, inf-ruby, ruby-compilation, jump
> * jump requires: findr, inflections
> * ruby-compilation requires: inf-ruby

> Yet, the order of compilation appears to be:

> 1. inflections
> 2. findr
> 3. jump
> 4. ruby-compilation *fails missing inf-ruby*

Indeed, thanks.  I installed the patch below which should fix
this problem.  Note that a better fix would be to first download packages,
the unpack packages, then autoload packages, then compile packages.
This way, ordering won't matter (including circular dependencies).


        Stefan


=== modified file 'lisp/emacs-lisp/package.el'
--- lisp/emacs-lisp/package.el	2013-04-04 01:51:33 +0000
+++ lisp/emacs-lisp/package.el	2013-04-04 02:42:31 +0000
@@ -811,7 +811,10 @@
 	     (package-version-join (package-desc-vers (cdr pkg-desc)))))
 	  ;; Only add to the transaction if we don't already have it.
 	  (unless (memq next-pkg package-list)
-	    (push next-pkg package-list))
+            (setq package-list
+                  ;; Move to front, so it gets installed early enough
+                  ;; (bug#14082).
+                  (cons next-pkg (delq next-pkg package-list))))
 	  (setq package-list
 		(package-compute-transaction package-list
 					     (package-desc-reqs

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