From: Michal Kiedrowicz <michal.kiedrowicz@gmail.com>
Date: Thu, 05 Apr 2012 06:25:57 GMT
Subject: Re: [PATCH v3 7/8] gitweb: Highlight interesting parts of diff
Message-ID: <20120405082557.7223ff6e@mkiedrowicz.ivo.pl>
In-Reply-To: <1333569433-3245-8-git-send-email-michal.kiedrowicz@gmail.com>

Michał Kiedrowicz <michal.kiedrowicz@gmail.com> wrote:

> Reading diff output is sometimes very hard, even if it's colored,
> especially if lines differ only in few characters.  This is often true
> when a commit fixes a typo or renames some variables or functions.
> 
> This commit teaches gitweb to highlight characters that are different
> between old and new line with a light green/red background.  This
> should work in the similar manner as in Trac or GitHub.
> 
> The algorithm that compares lines is based on contrib/diff-highlight.
> Basically, it works by determining common prefix/suffix of
> corresponding lines and highlightning only the middle part of lines.
> For more information, see contrib/diff-highlight/README.
> 
> Combined diffs are not supported but a following commit will change
> it.
> 
> Since we need to pass esc_html()'ed or esc_html_hl_regions()'ed lines
> to format_diff_lines(), so it was taught to accept preformatted lines
> passed as a reference.
> 
> Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com>
> Acked-by: Jakub Narębski <jnareb@gmail.com>

Junio,

can you please fixup this patch?  I just noticed "chomp $rem, $add" breaks
the testsuite.

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index e4351fe..961fbdc 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -5067,7 +5067,8 @@ sub format_rem_add_lines_pair {

        # We need to untabify lines before split()'ing them;
        # otherwise offsets would be invalid.
-       chomp $rem, $add;
+       chomp $rem;
+       chomp $add;
        $rem = untabify($rem);
        $add = untabify($add);