GNU bug report logs - #63337
[PATCH] package-vc--build-documentation: Fix relative @include statements

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From: Philip Kaludercic <philipk <at> posteo.net>
To: Joseph Turner <joseph <at> breatheoutbreathe.in>
Cc: 63337 <at> debbugs.gnu.org
Subject: bug#63337: [PATCH] package-vc--build-documentation: Fix relative @include statements
Date: Sat, 13 May 2023 08:41:19 +0000

Joseph Turner <joseph <at> breatheoutbreathe.in> writes:

> Philip Kaludercic <philipk <at> posteo.net> writes:
>
>> Joseph Turner <joseph <at> breatheoutbreathe.in> writes:
>>
>>> Hello!
>>>
>>> Because package-vc--build-documentation exports the texinfo manual to a
>>> temp file inside /tmp/ , any @include statements with relative paths
>>> break the makeinfo call.
>>>
>>> I noticed this issue when attempting to use package-vc to install
>>> org-transclusion, whose manual contains the line
>>>
>>> #+texinfo: @include fdl.texi
>>>
>>> See: https://raw.githubusercontent.com/nobiot/org-transclusion/main/docs/org-transclusion-manual.org
>>>
>>> The attached patch solves this problem by passing the -I flag to
>>> makeinfo. From makeinfo --help:
>>>
>>> -I DIR                        append DIR to the @include search path.
>>
>> Good catch, this should be applied to emacs-29.
>>
>>> Best,
>>>
>>> Joseph
>>>
>>> From a41abce88ed3b833c5531208945474c9cd16284b Mon Sep 17 00:00:00 2001
>>> From: Joseph Turner <joseph <at> breatheoutbreathe.in>
>>> Date: Sat, 6 May 2023 14:49:43 -0700
>>> Subject: [PATCH] Fix: (package-vc--build-documentation) Relative @include
>>>  statements
>>>
>>> ---
>>>  lisp/emacs-lisp/package-vc.el | 5 ++++-
>>>  1 file changed, 4 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/lisp/emacs-lisp/package-vc.el b/lisp/emacs-lisp/package-vc.el
>>> index 489610e2a1e..63c10285ca7 100644
>>> --- a/lisp/emacs-lisp/package-vc.el
>>> +++ b/lisp/emacs-lisp/package-vc.el
>>> @@ -381,6 +381,7 @@ FILE can be an Org file, indicated by its \".org\" extension,
>>>  otherwise it's assumed to be an Info file."
>>>    (let* ((pkg-name (package-desc-name pkg-desc))
>>>           (default-directory (package-desc-dir pkg-desc))
>>> +         (docs-directory (expand-file-name (file-name-directory file)))
>>>           (output (expand-file-name (format "%s.info" pkg-name)))
>>>           clean-up)
>>>      (when (string-match-p "\\.org\\'" file)
>>> @@ -395,7 +396,9 @@ otherwise it's assumed to be an Info file."
>>>        (erase-buffer)
>>>        (cond
>>>         ((/= 0 (call-process "makeinfo" nil t nil
>>> -                            "--no-split" file "-o" output))
>>> +                            "-I" docs-directory
>>
>> According to the docs, makeinfo has -I to append the search path, and -P
>> to prepend.  I don't know how well either of the two are supported, but
>> assuming they are, shouldn't -P be preferred?  Or wouldn't it have any
>> effect?
>
> I am not sure what difference it would make. I don't know if the default
> @include search path includes anything besides the working directory.
>
> In the attached diff, I have changed -I to -P.

I can confirm that this patch does the right thing, and I think we
should apply it.

>>> +                            "--no-split" file
>>> +                            "-o" output))
>>>          (message "Failed to build manual %s, see buffer %S"
>>>                   file (buffer-name)))
>>>         ((/= 0 (call-process "install-info" nil t nil

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