bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Pankaj Jangid]

This is working fine on emacs-27 branch. But the issue is occuring only
on ‘master’.

In my ~/.emacs.d/init.d, I have (require 'init-flymake). And I've set
load-path before that using following statement,

(eval-and-compile
  (add-to-list 'load-path (expand-file-name "lisp" user-emacs-directory)))

And my ~/.emacs.d/lisp/init-flymake.el has following content,

--8<---------------cut here---------------start------------->8---
(require 'package)

(defun my/flymake-setup ()
  "Initialize flymake from elpa."
  (defvar my/pkgs '(flymake))

  (let (ulist)
    (dolist (pkg my/pkgs ulist)
      (unless (package-installed-p pkg)
	(setq ulist (cons pkg ulist))))
    (unless (null ulist)
      (package-refresh-contents)
      (dolist (pkg ulist)
	(package-install pkg)))))

(my/flymake-setup)

(require 'flymake)
(global-set-key (kbd "M-n") #'flymake-goto-next-error)
(global-set-key (kbd "M-p") #'flymake-goto-prev-error)

(provide 'init-flymake)
--8<---------------cut here---------------end--------------->8---

Everytime I restart emacs, it connects to MELPA to download
flymake. Following are log entries from *Messages* buffer at the
beginning of emacs session.

--8<---------------cut here---------------start------------->8---
Importing package-keyring.gpg...done
Contacting host: melpa.org:443 [2 times]
Contacting host: elpa.gnu.org:443
Package refresh done
Contacting host: elpa.gnu.org:443
Generating autoloads for flymake.el...done
  INFO     Scraping files for flymake-autoloads.el...done
Wrote /Users/pankaj/.emacs.d/elpa/flymake-1.0.9/flymake-autoloads.el
Checking /Users/pankaj/.emacs.d/elpa/flymake-1.0.9... [3 times]
Source file ‘/Users/pankaj/.emacs.d/elpa/flymake-1.0.9/flymake.el’ newer than byte-compiled file; using older file
Wrote /Users/pankaj/.emacs.d/elpa/flymake-1.0.9/flymake.elc
Checking /Users/pankaj/.emacs.d/elpa/flymake-1.0.9...
Done (Total of 1 file compiled, 2 skipped)
Package ‘flymake’ installed.
Loading /Users/pankaj/.emacs.d/recentf...done
Cleaning up the recentf list...done (0 removed)
Loading /Users/pankaj/.emacs.d/custom.el (source)...done
Saving file /Users/pankaj/.emacs.d/custom.el...
Wrote /Users/pankaj/.emacs.d/custom.el
For information about GNU Emacs and the GNU system, type C-h C-a.
--8<---------------cut here---------------end--------------->8---



In GNU Emacs 28.0.50 (build 14, x86_64-apple-darwin19.6.0, NS appkit-1894.60 Version 10.15.7 (Build 19H2))
 of 2020-10-04 built on mb2.local
Repository revision: 0fe8ab79e7a2306b84e209cc4e90da1996da1cad
Repository branch: master
Windowing system distributor 'Apple', version 10.3.1894
System Description:  Mac OS X 10.15.7

Configured using:
 'configure LDFLAGS=-L/usr/local/opt/ruby/lib
 CPPFLAGS=-I/usr/local/opt/ruby/include
 PKG_CONFIG_PATH=:/usr/local/opt/sqlite/lib/pkgconfig:/usr/local/opt/libxml2/lib/pkgconfig:/usr/local/opt/openssl/lib/pkgconfig:/usr/local/opt/libffi/lib/pkgconfig:/usr/local/opt/ruby/lib/pkgconfig'

Configured features:
JPEG TIFF GIF PNG RSVG DBUS GLIB NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB
TOOLKIT_SCROLL_BARS NS MODULES THREADS JSON PDUMPER LCMS2

Important settings:
  value of $LC_CTYPE: UTF-8
  value of $LANG: en_IN.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Messages

Minor modes in effect:
  electric-pair-mode: t
  show-paren-mode: t
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Load-path shadows:
/Users/pankaj/.emacs.d/elpa/flymake-1.0.9/flymake hides /Users/pankaj/work/code/savannah/emacs/nextstep/Emacs.app/Contents/Resources/lisp/progmodes/flymake

Features:
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-- 
Pankaj Jangid

GnuPG Fingerprint => 0B62 7424 3B26 A911 052A  DDE6 7C95 6E6F F858 7689

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Lars Ingebrigtsen]

Pankaj Jangid <pankaj@codeisgreat.org> writes:

> This is working fine on emacs-27 branch. But the issue is occuring only
> on ‘master’.

[...]

> (defun my/flymake-setup ()
>   "Initialize flymake from elpa."
>   (defvar my/pkgs '(flymake))
>
>   (let (ulist)
>     (dolist (pkg my/pkgs ulist)
>       (unless (package-installed-p pkg)
> 	(setq ulist (cons pkg ulist))))

So, basically you're saying that

(package-installed-p 'flymake)

returns nil, but flymake is installed?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Pankaj Jangid]

On Mon, Oct 05 2020, Lars Ingebrigtsen wrote:

>> (defun my/flymake-setup ()
>>   "Initialize flymake from elpa."
>>   (defvar my/pkgs '(flymake))
>>
>>   (let (ulist)
>>     (dolist (pkg my/pkgs ulist)
>>       (unless (package-installed-p pkg)
>> 	(setq ulist (cons pkg ulist))))
>
> So, basically you're saying that
>
> (package-installed-p 'flymake)
>
Yes. Just now, I have tried it in *scratch* buffer. Package list also
shows 'flymake' is installed as dependency.

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Pankaj Jangid]

On Mon, Oct 05 2020, Lars Ingebrigtsen wrote:

>> (defun my/flymake-setup ()
>>   "Initialize flymake from elpa."
>>   (defvar my/pkgs '(flymake))
>>
>>   (let (ulist)
>>     (dolist (pkg my/pkgs ulist)
>>       (unless (package-installed-p pkg)
>> 	(setq ulist (cons pkg ulist))))
>
> So, basically you're saying that
>
> (package-installed-p 'flymake)
>
> returns nil, but flymake is installed?

Yes. And more info on this.

1. Launch fresh emacs instance
2. (package-installed-p 'flymake)
   ⇒ nil
3. M-x package-refresh-contents
   ;; wait for completion
   (package-installed-p 'flymake)
   ⇒ nil
4. M-x list-packages
   ;; wait for completion
   (package-installed-p 'flymake)
   ⇒ t

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Stefan Kangas]

Pankaj Jangid <pankaj@codeisgreat.org> writes:

>> So, basically you're saying that
>>
>> (package-installed-p 'flymake)
>>
>> returns nil, but flymake is installed?
>
> Yes. And more info on this.
>
> 1. Launch fresh emacs instance
> 2. (package-installed-p 'flymake)
>    ⇒ nil
> 3. M-x package-refresh-contents
>    ;; wait for completion
>    (package-installed-p 'flymake)
>    ⇒ nil
> 4. M-x list-packages
>    ;; wait for completion
>    (package-installed-p 'flymake)
>    ⇒ t

Could you please provide a recipe to reproduce this bug, starting from
emacs -Q?  I tried the following on current master and Emacs 27:

0. emacs -Q
1. Evaluate:
(progn
  (package-initialize)
  (package-installed-p 'flymake))

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Pankaj Jangid]

Stefan Kangas <stefan@marxist.se> writes:

> Pankaj Jangid <pankaj@codeisgreat.org> writes:
>
>>> So, basically you're saying that
>>>
>>> (package-installed-p 'flymake)
>>>
>>> returns nil, but flymake is installed?
>>
>> Yes. And more info on this.
>>
>> 1. Launch fresh emacs instance
>> 2. (package-installed-p 'flymake)
>>    ⇒ nil
>> 3. M-x package-refresh-contents
>>    ;; wait for completion
>>    (package-installed-p 'flymake)
>>    ⇒ nil
>> 4. M-x list-packages
>>    ;; wait for completion
>>    (package-installed-p 'flymake)
>>    ⇒ t
>
> Could you please provide a recipe to reproduce this bug, starting from
> emacs -Q?  I tried the following on current master and Emacs 27:
>
> 0. emacs -Q
> 1. Evaluate:
> (progn
>   (package-initialize)
>   (package-installed-p 'flymake))

This is returning `t' on both - `master' as well as `emacs-27'. Should I
close this?

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Stefan Kangas]

Pankaj Jangid <pankaj@codeisgreat.org> writes:

>> Could you please provide a recipe to reproduce this bug, starting from
>> emacs -Q?  I tried the following on current master and Emacs 27:
>>
>> 0. emacs -Q
>> 1. Evaluate:
>> (progn
>>   (package-initialize)
>>   (package-installed-p 'flymake))
>
> This is returning `t' on both - `master' as well as `emacs-27'. Should I
> close this?

If the above works for you, I think this should be closed, yes.

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Pankaj Jangid]

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Pankaj Jangid]

And the issue disappears when I open Gnus in emacs-27 and then again
open Gnus on emacs-master.

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Lars Ingebrigtsen]

Pankaj Jangid <pankaj@codeisgreat.org> writes:

> And the issue disappears when I open Gnus in emacs-27 and then again
> open Gnus on emacs-master.

Opening Gnus changes the value of

(package-installed-p 'flymake)

?  That's very odd indeed.  I think it sounds like you have some kind of
corrupted data structures somewhere, but I can't even guess where.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

bug#43800: 28.0.50; Package already install but still connecting to MELPA at start

[Pankaj Jangid]

On Wed, Oct 07 2020, Lars Ingebrigtsen wrote:

>> And the issue disappears when I open Gnus in emacs-27 and then again
>> open Gnus on emacs-master.
>
> Opening Gnus changes the value of
>
> (package-installed-p 'flymake)
>
> ?  That's very odd indeed.  I think it sounds like you have some kind of
> corrupted data structures somewhere, but I can't even guess where.

sorry about that. that was meant for 43726.