GNU bug report logs - #59502
29.0.50; [PATCH] Dedicated buffers per project

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From: Juri Linkov <juri <at> linkov.net>
To: Gabriel <gabriel376 <at> hotmail.com>
Cc: 59502 <at> debbugs.gnu.org
Subject: bug#59502: 29.0.50; [PATCH] Dedicated buffers per project
Date: Tue, 06 Dec 2022 19:21:50 +0200

>> Idly wondering if it'd make sense to also pass the major-mode to
>> project-buffer-name-function, since string matching might be unreliable
>> in some situations?  Can't think of any concrete problem off the top of
>> my head, I just have a vague expectation that mode symbols might be more
>> stable than buffer names.  It's unsubstantiated though, so feel free to
>> dismiss.
>
> I agree, and actually my first implementation used the major-mode symbol
> as the argument to function project-buffer-name-function.  I changed to
> a string to be able to handle the following cases:

A string is too confusing.  After seeing

+        (shell-command-buffer-name (funcall project-buffer-name-function
+                                            "Shell Command Output")))

the first thought was: why the buffer name is without asterisks
as in the standard name "*Shell Command Output*".

> | Command                     | major-mode       |
> |-----------------------------+------------------|
> | project-shell-command       | fundamental-mode |
> | project-async-shell-command | shell-mode       |

More consistent would be to accept a symbol as the argument of
project-buffer-name-function.  Then every project-supported command
could have the corresponding symbol that is part of the command name:

| Command                     | name        |
|-----------------------------+-------------|
| project-shell-command       | shell       |
| project-async-shell-command | async-shell |

Also for calling the user customized function it would be useful to
provide an argument with the standard buffer name.  So users won't need
to copy the mapping from project-buffer-name-default.  Then the default
implementation will be just:

(defun project-buffer-name-default (project command-symbol buffer-name)
  (or buffer-name (format "*%s-%s*" (project-name project) command-symbol)))

And here is an example of how I'd like to customize it:

(setopt project-buffer-name-function
  (lambda (project _command-symbol buffer-name)
    (format "%s<%s>" buffer-name (project-name project))))

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