bug#29533: [CLOSED] Re: bug#29533: Fwd: [Feature Request] ERC: let erc-join-channel support to select channels from history or a defined list

["numbchild@gmail.com" <numbchild@gmail.com>]

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Hi, Lars, thanks for reviewing my patch. I almost forgot what my patch did
since
I send it a long time ago. I read my old email and idea. And I have an
conclusion that this patch seems not very useful for most users. So I give
up
merging this patch into ERC. I'm so sorry for my impulsive decision that
wasted your time.

[stardiviner]           <Hack this world!>      GPG key ID: 47C32433
IRC(freeenode): stardiviner                     Twitter:  @numbchild
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Blog: http://stardiviner.github.io/


On Mon, Aug 3, 2020 at 4:52 PM Lars Ingebrigtsen <larsi@gnus.org> wrote:

> stardiviner <numbchild@gmail.com> writes:
>
> > No need to be announced in etc/NEWS. It's still original keybinding. And
> not a
> > big difference.
>
> It needs a NEWS entry (it's a new user-level variable), and it needs
> documentation in the erc manual.
>
> But I don't really understand the patch.
>
> > * lisp/erc/erc.el (erc-mode-map): Add an option to store your frequently
> > joined channels. And replace original `erc-join-channel' with
> > `erc-join-channel-select'.
>
> [...]
>
> > +(defcustom erc-join-channels-alist nil
> > +  "Alist of channels to select when you join channels.
> > +
> > +Every element in the alist has the form (SERVER . CHANNELS).
> > +SERVER is a regexp matching the server, and channels is the
> > +list of channels to join.
> > +
> > +If the channel(s) require channel keys for joining, the passwords
> > +are found via auth-source.  For instance, if you use ~/.authinfo
> > +as your auth-source backend, then put something like the
> > +following in that file:
> > +
> > +machine irc.example.net login \"#fsf\" password sEcReT
>
> I'm not sure why this is documented here -- this is what erc does in
> general, isn't it?
>
> > +Customize this variable to set the value for your first connect.
> > +Once you are connected and join and part channels, this alist
> > +keeps track of what channels you are on, and will join them
> > +again when you get disconnected.
>
> Did you miss including this bit in the patch?  There's no logic for
> keeping the variable up-to-date in the code you sent, neither for
> re-joining after a disconnect.
>
> > +(setq erc-join-channels-alist '(("*.freenode.net" "#emacs"
> "#org-mode")))
> > +
>
> Debugging left behind?
>
> > +(defun erc-join-channel-select ()
> > +  "Select a channel to join from alist of channels to."
> > +  (interactive)
> > +  (erc-join-channel
> > +   (completing-read
> > +    "Select a channel: "
> > +    (cdr (assoc
> > +          (completing-read "Select a server: "
> > +                           (mapcar 'car erc-join-channels-alist))
> > +          erc-join-channels-alist)))))
>
> Should the server default to the current one?  And this code should go
> into the `interactive' part, since you're prompting the user.
>
> Also, the original erc-join-channel has this logic:
>
> (defun erc-join-channel (channel &optional key)
>   "Join CHANNEL.
>
> If `point' is at the beginning of a channel name, use that as default."
>   (interactive
>    (list
>     (let ((chnl (if (looking-at "\\([&#+!][^ \n]+\\)") (match-string 1)
> ""))
>           (table (when (erc-server-buffer-live-p)
>                    (set-buffer (process-buffer erc-server-process))
>                    erc-channel-list)))
>       (completing-read "Join channel: " table nil nil nil nil chnl))
>
> Which should looks very useful, and should be replicated in the new
> command.  Also:
>
>     (when (or current-prefix-arg erc-prompt-for-channel-key)
>       (read-from-minibuffer "Channel key (RET for none): " nil))))
>
> should also be replicated, and at that point, perhaps the
> erc-join-channel-select command isn't that useful -- perhaps
> erc-join-channel should instead just be amended to add the channels from
> -alist to the table the user is prompted for.
>
> --
> (domestic pets only, the antidote for overdose, milk.)
>    bloggy blog: http://lars.ingebrigtsen.no
>

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