Re: [PATCH] gitweb: Simplify (and fix) chop_str

> From: John 'Warthog9' Hawley <warthog9@kernel.org>
> 
> The chop_str subroutine is meant to be used on strings (such as commit
> description / title) *before* HTML escaping, which means before
> applying esc_html or equivalent.
> 
> Therefore get rid of the failed attempt to always remove full HTML
> entities (like e.g. &amp; or &nbsp;).  It is not necessary (HTML
> entities gets added later), and it can cause chop_str to chop a string
> incorrectly.
> 
> Specifically:
> 
>      API & protocol: support option to force written data immediately to disk
> 
> from http://git.kernel.org/?p=daemon/distsrv/chunkd.git;a=commit;h=3b02f749df2cb1288f345a689d85e7061f507e54
> 
> The short version of the title gets chopped to
> 
>      API ...
> 
> where it should be
> 
>      API & protocol: support option to force written data...
> 
> Noticed-by: John 'Warthog9' Hawley <warthog9@kernel.org>
> Signed-off-by: John 'Warthog9' Hawley <warthog9@kernel.org>
> Signed-off-by: Jakub Narebski <jnareb@gmail.com>
> ---
> I have retained J.H. authorship of this patch.  I have rewritten
> commit message, added signoffs, and removed all instances of failed
> attempt of removing HTML entities whole, even though only one of them
> is used.
> 
>  gitweb/gitweb.perl |    4 ----
>  1 files changed, 0 insertions(+), 4 deletions(-)
> 
> diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
> index d0c3ff2..1f6978a 100755
> --- a/gitweb/gitweb.perl
> +++ b/gitweb/gitweb.perl
> @@ -1330,7 +1330,6 @@ sub chop_str {
>  		$str =~ m/^(.*?)($begre)$/;
>  		my ($lead, $body) = ($1, $2);
>  		if (length($lead) > 4) {
> -			$body =~ s/^[^;]*;// if ($lead =~ m/&[^;]*$/);
>  			$lead = " ...";
>  		}
>  		return "$lead$body";
> @@ -1341,8 +1340,6 @@ sub chop_str {
>  		$str =~ m/^(.*?)($begre)$/;
>  		my ($mid, $right) = ($1, $2);
>  		if (length($mid) > 5) {
> -			$left  =~ s/&[^;]*$//;
> -			$right =~ s/^[^;]*;// if ($mid =~ m/&[^;]*$/);
>  			$mid = " ... ";
>  		}
>  		return "$left$mid$right";
> @@ -1352,7 +1349,6 @@ sub chop_str {
>  		my $body = $1;
>  		my $tail = $2;
>  		if (length($tail) > 4) {
> -			$body =~ s/&[^;]*$//;
>  			$tail = "... ";
>  		}
>  		return "$body$tail";