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Annotation of CVSROOT/cvs2rss.pl, revision 1.5

1.1       albertel    1: #!/usr/bin/perl
                      2: # Kyle Christensen <kyle@junglist.org>
                      3: # http://junglist.org/files/scripts/cvs2rss.pl
                      4: # 
                      5: # This script (when setup properly) will magically create an RSS 2.0 compliant feed
                      6: # that logs your cvs commits as well as a diff of the changes made.
                      7: #
                      8: # Run this from your CVSROOT/loginfo like:
                      9: #
                     10: #	/path/to/cvs2rss.pl %{sVv}
                     11: #
                     12: # Also, make sure your apache server has an AddType for rss like:
                     13: #
                     14: # 	AddType application/rss+xml .rss
                     15: #
                     16: # P.S. The "other" cvs2rss.pl isn't really cvs2rss, it is more like cvs2xml, boo!
                     17: # P.P.S. Parts of this are stolen from commit2rss.rb and the XML::RSS examples.
                     18: #
                     19: # Version 1.0 - 08.24.04 RSS Compliant, no cvs diff capability yet..
                     20: # Version 1.1 - 08.31.04 Adding CVS Diff capability
1.2       albertel   21: # Edit by Guy Albertelli, -- corrected the packaging of Entities
                     22: #                          - commits now <pre>ed
                     23: #                          - removed html rants
1.1       albertel   24: #
                     25: 
                     26: use strict;
1.2       albertel   27: use HTML::Entities();
1.1       albertel   28: use XML::RSS;
                     29: use POSIX;
                     30: 
                     31: # Stuff you need to setup 
                     32: my $rssFeed ="/home/loninst/public_html/loncapa.rss";
                     33: my $emailDomain = "loncapa.org";
                     34: my $channelTitle = "Lon-CAPA RSS Feed";
1.2       albertel   35: my $channelLink = "http://install.loncapa.org/loncapa.rss";
1.1       albertel   36: my $numEntries = 200;
                     37: 
1.2       albertel   38: # Set this to 1 to enable cvs rdiff
1.1       albertel   39: my $cvsDiff = 1;
                     40: 
                     41: # Leave everything else alone
                     42: my $author = getpwuid(getuid()) . "\@" . $emailDomain;
                     43: $author = 'guy' . "\@" . 'albertelli.com';
                     44: my $pubDate = strftime('%a, %d %b %Y %H:%M:%S %Z',localtime(time));
                     45: my $description;
                     46: my @title=split(",",$ARGV[0]);
                     47: 
                     48: my $rss = new XML::RSS(version => '2.0');
1.4       albertel   49: 
                     50: # If rssFeed exists, parse it
                     51: if (-r "$rssFeed") {
                     52: 	$rss->parsefile($rssFeed);
                     53: }
                     54: 
1.1       albertel   55: $rss->channel(
                     56: 	title=> $channelTitle,
                     57: 	link => $channelLink,
                     58: 	language => 'en',
                     59: 	description => $channelTitle,
1.4       albertel   60: 	copyright => '(c) 2005 MSU Board of Trustees.',
                     61: 	pubDate => $pubDate 
1.1       albertel   62: );
                     63: 
                     64: 
                     65: # Limit entries in the feed to $numEntries
                     66: pop(@{$rss->{'items'}}) while (@{$rss->{'items'}} >= $numEntries);
                     67: 
                     68: # Format title of the rss item
                     69: # Remove space, append / and set title to /file/that/changed - oldversion/newversion
                     70: $title[0] =~s/ /\//;
                     71: 
                     72: # Format the cvslog msg itself
                     73: while (<STDIN>) {
                     74: 	chomp($_);
                     75: 	if ($_=~/^[A-Z].*:\s*$/) {
1.4       albertel   76: 		$_ = "<br /><b>" . &HTML::Entities::encode($_,'<>&"') . "</b><br />";
1.1       albertel   77: 	}
                     78: 	else {
                     79: 		$_ .= "<br />";
                     80: 	}
                     81: 	$description .= $_;
                     82: }
                     83: 
                     84: if ($cvsDiff == 1) {
                     85: 	# If the old version of the file is not NONE (if it isn't a new file), and if it is a .txt or .java file (that has no html)
                     86: 	# This will rdiff it against the previous version, and include that diff in the rss feed
                     87: 
1.2       albertel   88: 	if (($title[1] != "NONE") && ($title[0]=~/(.*).(pm)$/)){
1.1       albertel   89: 		my $tmpFile = "/tmp/diff.$$";
1.3       albertel   90: 		my $cmdLine = "cvs -n rdiff -u -kk -r " . $title[1] .  " -r " . $title[2] . " " . $title[0] . ">" . $tmpFile;
1.1       albertel   91: 		system($cmdLine);
                     92: 
1.2       albertel   93: 		$description .= "<br /><b>Differences:</b><br /><pre>";
1.1       albertel   94: 		open CVSDIFF, "<" . $tmpFile;
                     95: 		foreach my $line (<CVSDIFF>) {
1.2       albertel   96: 			$description .= &HTML::Entities::encode($line,'<>&"');
1.1       albertel   97: 		}
1.2       albertel   98: 		$description .= "</pre>";
1.1       albertel   99: 		unlink($tmpFile);   
                    100: 	} 
                    101: }
                    102: 
                    103: $rss->add_item(
                    104: 	title => "/" . $title[0] . " - " . $title[1] . "/" . $title[2],
                    105: 	author => $author,
                    106: 	description=> $description,
1.4       albertel  107: 	mode => 'insert',
1.5     ! albertel  108: 	pubDate => $pubDate,
        !           109: 	link => 'http://install.loncapa.org/cgi-bin/cvsweb.cgi/'.$title[0].'.diff?r1='.$title[1].';r2='.$title[2].';f=h'
1.1       albertel  110: );		
                    111: 
                    112: foreach my $element (@{$rss->{'items'}}) {
1.2       albertel  113: 	$element->{'description'} = &HTML::Entities::encode($element->{'description'},'<>&"'); 
1.1       albertel  114: }
                    115: 
                    116: $rss->save($rssFeed);
                    117: 
                    118: # Rsync this rss feed to another publically accessable machine.
                    119: #my $cmdLine="rsync -r -e ssh --delete /export/www/rss/html/ builder\@monkey:/export/www/rss/html/";
                    120: #system($cmdLine);