GNU bug report logs - #44804
28.0.50; loading EBDB using use-package is throwing error

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From: Eric Abrahamsen <eric <at> ericabrahamsen.net>
To: Pankaj Jangid <pankaj <at> codeisgreat.org>
Cc: 44804 <at> debbugs.gnu.org
Subject: bug#44804: 28.0.50; loading EBDB using use-package is throwing error
Date: Sun, 22 Nov 2020 20:13:44 -0800

Pankaj Jangid <pankaj <at> codeisgreat.org> writes:

> Eric Abrahamsen <eric <at> ericabrahamsen.net> writes:
>
>>> Error (use-package): Failed to parse package ebdb: Wrong type argument:
>>> listp, require Disable showing Disable logging
>>>
>>> My configuration is:
>>>
>>> (use-package ebdb
>>>   :ensure t
>>>   :config
>>>   (setq ebdb-mua-pop-up nil)
>>>   :hook
>>>   (emacs-startup . (progn
>>> 		     (require 'ebdb-gnus)
>>> 		     (require 'ebdb-message))))
>>
>> I've never used use-package so I'm not sure how much help I'm going to
>> be here. But looking at its documentation, I wonder if it wouldn't make
>> more sense to do this:
>>
>> (use-package ebdb-gnus
>> 	     :ensure t
>> 	     :config
>> 	     (setq ebdb-mua-pop-up nil)
>> 	     :hook gnus-startup)
>>
>> (use-package ebdb-message
>> 	     :ensure t
>> 	     :hook gnus-startup)
>
> Not actually. Basically use-package's argument is the package name that
> we usually see in the `M-x package-list-packages'. The `:ensure t'
> option is to make sure that the package is installed if it is not
> already installed. `:init' is executed before loading and `:config' is
> executed after loading of the package. So ideally this should work:
>
> (use-package ebdb
>   :ensure t                ; this will make sure ebdb is installed
>   :config                  ; this will be executed after ebdb is loaded
>   (require 'ebdb-gnus)
>   (require 'ebdb-message))
>
> But this increases load time. Hence the startup hook. So I would rather
> use this when `use-package' will be part of core emacs:
>
> (use-package ebdb
>   :ensure t
>   :config
>   (use-package 'ebdb-gnus  ; no `:ensure t' here, installed with ebdb
>     :hook emacs-startup)
>   (use-package 'ebdb-message
>     :hook emacs-startup))

So this is causing the same error?

>> EBDB is set up to load everything you need if you just require the
>> relevant MUA packages, so this should do it. All other likely entry
>> points to EBDB should be autoloaded already. I don't know what :ensure
>> does, but I left it in there.
>
> explained above.
>
>>
>> Having these statements on the `emacs-startup-hook' seems like you're
>> not gaining anything by using use-package. You might as well just
>> (require 'ebdb-gnus) at the top-level of your init.
>
> actually when we use `:hook' in use-package it implies `:defer t'. This
> saves some startup time.
>
> Without `use-package', my setup is working perfectly fine. But
> eventually, people will report this bug.
>
> (add-hook 'emacs-startup-hook
> 	  (lambda ()
> 	    (progn
> 	      (defvar ebdb-mua-pop-up nil)
> 	      (require 'ebdb-gnus)
> 	      (require 'ebdb-message))))
>
> BTW your snippet is also giving same error,
>
> ;; Error (use-package): Failed to parse package 'ebdb-gnus: Wrong type
>    argument: symbolp, 'ebdb-gnus Disable showing Disable logging
> ;; Error (use-package): Failed to parse package 'ebdb-message: Wrong type
>    argument: symbolp, 'ebdb-message Disable showing Disable logging

Can you turn on debug-on-error (or start with --debug-init if it's
blowing up at startup) and see what the actual backtrace is? Your
original error was "Wrong type argument: listp, require", which doesn't
mean very much to me.

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