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Re: [Emacs-diffs] master b689b90: Package archives now have priorities.
From: |
Jorgen Schäfer |
Subject: |
Re: [Emacs-diffs] master b689b90: Package archives now have priorities. |
Date: |
Sat, 17 Jan 2015 12:02:17 +0100 |
On Sat, Jan 17, 2015 at 12:48 AM, Artur Malabarba
<address@hidden> wrote:
>> +(defcustom package-archive-priorities nil
>> + "An alist of priorities for packages.
>> +
>> +Each element has the form (ARCHIVE-ID . PRIORITY).
>> +
>> +When installing packages, the package with the highest version
>> +number from the archive with the highest priority is
>> +selected. When higher versions are available from archives with
>> +lower priorities, the user has to select those manually.
>> +
>> +Archives not in this list have the priority 0."
>> + :type 'integer
> I think you meant 'alist?
Indeed, thanks for catching this. Fixed in d80fed.
>> +(defun package--add-to-alist (pkg-desc alist)
>> + "Add PKG-DESC to ALIST.
>> +
>> +Packages are grouped by name. The package descriptions are sorted
>> +by version number."
>> + (let* ((name (package-desc-name pkg-desc))
>> + (priority-version (package-desc-priority-version pkg-desc))
>> + (existing-packages (assq name alist)))
>> + (if (not existing-packages)
>> + (cons (list name pkg-desc)
> This list should be a cons, probably why the test is failing.
Why should this be a cons? The alist maps package names to ordered
package descriptors – I guess (cons name (list pkg-desc)) would be
clearer in intent.
Regards,
Jorgen