From: Jakub Narebski <jnareb@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: Drew Northup <drew.northup@maine.edu>,
Jochen Schmitt <Jochen@herr-schmitt.de>,
Adam Tkac <atkac@redhat.com>,
git@vger.kernel.org
Subject: Re: [PATCH] Fix wrong xhtml option to highlight
Date: Fri, 28 Jan 2011 13:35:40 +0100 [thread overview]
Message-ID: <201101281335.41554.jnareb@gmail.com> (raw)
In-Reply-To: <7vvd1agoii.fsf@alter.siamese.dyndns.org>
On Thu, 27 Jan 2011, Junio C Hamano wrote:
> Drew Northup <drew.northup@maine.edu> writes:
>
>>>> diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
>>>> index 1025c2f..b662420 100755
>>>> --- a/gitweb/gitweb.perl
>>>> +++ b/gitweb/gitweb.perl
>>>> @@ -3468,7 +3468,7 @@ sub run_highlighter {
>>>> close $fd;
>>>> open $fd, quote_command(git_cmd(), "cat-file", "blob", $hash)." | ".
>>>> quote_command($highlight_bin).
>>>> - " --xhtml --fragment --syntax $syntax |"
>>>> + " -xhtml --fragment --syntax $syntax |"
>>>
>>> Curious.
>>>
>>> Does the command take double-dash for the fragment and syntax options but
>>> a single dash for the xhtml option? Really...
>>>
>>> A few top hits returned by Google for "highlight manual page" tells me
>>> otherwise.
>>
>> Certainly appears to be the case that "--xhtml" is the option in Ubuntu
>> 10.04.1 LTS.
>>
>> Jochen,
>> Did you mean "-X" (which sets the same option)?
>
> The current proposal is to drop --xhtml and let highlight default to HTML.
>
> Honestly speaking, I don't like the approach very much; it would have been
> much better if highlight had a single way that is supported throughout its
> versions to specify the output format. But it appears that there isn't,
> and relying on and hoping for its default to stay HTML is the best we
> could do, if we plan to support highlight 2.4.something or older.
>
> The copy of U10.04 I have has highlight 2.12, and according to its manual
> pages, -X, --xhtml, and --out-format=xhtml mean the same thing. HTML is
> the default.
>
> The change-log at www.andre-simon.de indicates that --out-format has
> become the preferred method and the short options like -X and -H are not
> supported in recent versions (3.0 beta and newer).
>
> But as Jakub mentioned, 2.4.5 did not have --output-format; it was only in
> 3.0 beta that -O was redefined to mean --output-format and in old versions
> the short option meant something else.
Well, we can always require highlight >= 2.12, or whatever version
introduced --out-format option.
>
> What a mess...
>
> The next time we introduce a new dependency, we really should try hard to
> assess the stability and maturity of that dependency. In hindsight, I
> think "highlight" was probably a bit too premature to be depended upon.
By the way, the idea was to make it possible to configure other highlighter,
but I went with what I known to work, i.e. with Andre Simon's "highlight".
I think it could be fairly easy to make it configurable via existing
$highlight_bin and to be introduced @highlight_args gitweb configuration
variables.
There are three possible ways to do syntax highlighting in gitweb:
filter, Perl module, or via JavaScript. An alternative to "highlight"
as a filter could be GNU source-highlight... if not for the fact that
it doesn't seem to support equivalent of "highlight" --fragment option,
i.e. exclude prolog and <pre><tt> wrappers.
--
Jakub Narebski
Poland
prev parent reply other threads:[~2011-01-28 12:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-24 19:44 [PATCH] Fix wrong xhtml option to highlight Jochen Schmitt
2011-01-24 22:48 ` Junio C Hamano
2011-01-27 1:44 ` Drew Northup
2011-01-27 19:00 ` Junio C Hamano
2011-01-28 12:35 ` Jakub Narebski [this message]
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