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bug#61002: 28.2; Gnus - "Date" scoring scores all articles.
From: |
Eric Abrahamsen |
Subject: |
bug#61002: 28.2; Gnus - "Date" scoring scores all articles. |
Date: |
Sat, 17 Feb 2024 09:41:42 -0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Jakub Ječmínek <jecminek.k@gmail.com> writes:
> Hi, thanks for the feedback!
>
> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
>> Thanks for the ping. TBH I've never used scoring in Gnus, so this is new
>> territory for me. I tried the patch and it worked correctly, but...
>>
>> The patch is doing this:
>>
>> (gnus-date-get-time (gnus-date-iso8601 match))
>>
>> This is the definition of `gnus-date-iso8601':
>>
>> (defun gnus-date-iso8601 (date)
>> "Convert the DATE to YYYYMMDDTHHMMSS."
>> (condition-case ()
>> (gnus-time-iso8601 (gnus-date-get-time date))
>> (error "")))
>>
>> So error handling aside, the patch ends up doing the equivalent of:
>>
>> (let ((ds "Sun, 22 Jan 2023 09:30:17 +0100"))
>> (gnus-date-get-time
>> (gnus-time-iso8601
>> (gnus-date-get-time ds))))
>>
>> which effectively round-trips the date string through two different
>> formats.
>
> You're right. I've replaced the offending form with this:
>
> (car (time-convert (gnus-date-get-time match) 1))
>
>> [...] I think we should just keep the inner
>> `gnus-date-get-time' call, and wrap the whole `int-to-string' form in a
>> `condition-case'. If anything at all goes wrong we really don't care, we
>> can just skip it and return a "1" or something.
>>
>> WDYT?
>
> I believe that error handling is now redundant, because even if we try to
> parse invalid date using `gnus-date-get-time' we still end up with valid
> value (0).
>
> (/ (car (time-convert (gnus-date-get-time "invalid date") 1)) 86400)
>
> But, there's one important thing I failed to realize - the code I wrote
> would break prompts for other headers. Therefore I propose we add `cond'
> and distinguish which header we're scoring on.
>
> Please let me know what you think, here's the patch:
>
>>From 4e2174503c1d69345536929a22483ae309048271 Mon Sep 17 00:00:00 2001
> From: =?UTF-8?q?Jakub=20Je=C4=8Dm=C3=ADnek?= <jecminek.k@gmail.com>
> Date: Mon, 12 Feb 2024 14:03:24 +0100
> Subject: [PATCH] Provide valid match string when scoring on date header
> (Bug#61002)
>
> * lisp/gnus/gnus-score.el (gnus-summary-score-entry): Fix invalid
> default match string when creating score file interactively on date header.
> ---
> lisp/gnus/gnus-score.el | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/lisp/gnus/gnus-score.el b/lisp/gnus/gnus-score.el
> index bd19e7d7cd7..479b7496cf1 100644
> --- a/lisp/gnus/gnus-score.el
> +++ b/lisp/gnus/gnus-score.el
> @@ -893,9 +893,14 @@ If optional argument `EXTRA' is non-nil, it's a
> non-standard overview header."
> (t "permanent"))
> header
> (if (< score 0) "lower" "raise"))
> - (if (numberp match)
> - (int-to-string match)
> - match))))
> + (cond ((numberp match) (int-to-string match))
> + ((string= header "date")
> + (int-to-string
> + (-
> + (/ (car (time-convert (current-time) 1)) 86400)
> + (/ (car (time-convert (gnus-date-get-time match)
> 1))
> + 86400))))
> + (t match)))))
>
> ;; If this is an integer comparison, we transform from string to int.
> (if (eq (nth 2 (assoc header gnus-header-index)) 'gnus-score-integer)
> --
> 2.39.3 (Apple Git-145)
>
> The patch should be correctly indented even though it doesn't look like
> it is. The reason is that previous lines contain mixture of tabs and
> spaces.
Looks good! I've pushed, and am closing this bug, thanks.