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Annotation of CVSROOT/cvs2rss.pl, revision 1.1

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: # Important note: 
        !            17: # If you have html files (or files with html in them) in your CVS Repository, look in your RSS.pm for:
        !            18: #
        !            19: #	$text =~ s/</&lt;/g;
        !            20: #
        !            21: # I suggest commenting out this line because it will screw up this script (I think its a bug in the parser)
        !            22: # If you do not, when this script uses XML:RSS's parsefile(), it will mess up any <descriptions> that 
        !            23: # contain HTML.
        !            24: #
        !            25: # P.S. The "other" cvs2rss.pl isn't really cvs2rss, it is more like cvs2xml, boo!
        !            26: # P.P.S. Parts of this are stolen from commit2rss.rb and the XML::RSS examples.
        !            27: #
        !            28: # Version 1.0 - 08.24.04 RSS Compliant, no cvs diff capability yet..
        !            29: # Version 1.1 - 08.31.04 Adding CVS Diff capability
        !            30: #
        !            31: 
        !            32: use strict;
        !            33: use XML::RSS;
        !            34: use POSIX;
        !            35: 
        !            36: # Stuff you need to setup 
        !            37: my $rssFeed ="/home/loninst/public_html/loncapa.rss";
        !            38: my $emailDomain = "loncapa.org";
        !            39: my $channelTitle = "Lon-CAPA RSS Feed";
        !            40: my $channelLink = "http://install.loncapa.org/cvs.rss";
        !            41: my $numEntries = 200;
        !            42: 
        !            43: # Set this to 1 to enable cvs rdiff (is pretty broken if you are diffing html content)
        !            44: my $cvsDiff = 1;
        !            45: 
        !            46: # Leave everything else alone
        !            47: my $author = getpwuid(getuid()) . "\@" . $emailDomain;
        !            48: $author = 'guy' . "\@" . 'albertelli.com';
        !            49: my $pubDate = strftime('%a, %d %b %Y %H:%M:%S %Z',localtime(time));
        !            50: my $description;
        !            51: my @title=split(",",$ARGV[0]);
        !            52: 
        !            53: my $rss = new XML::RSS(version => '2.0');
        !            54: $rss->channel(
        !            55: 	title=> $channelTitle,
        !            56: 	link => $channelLink,
        !            57: 	language => 'en',
        !            58: 	description => $channelTitle,
        !            59: 	copyright => '(c) 2005 MSU Board of Trustees.'
        !            60: );
        !            61: 
        !            62: # If rssFeed exists, parse it
        !            63: if (-r "$rssFeed") {
        !            64: 	$rss->parsefile($rssFeed);
        !            65: }
        !            66: 
        !            67: # Limit entries in the feed to $numEntries
        !            68: pop(@{$rss->{'items'}}) while (@{$rss->{'items'}} >= $numEntries);
        !            69: 
        !            70: # Format title of the rss item
        !            71: # Remove space, append / and set title to /file/that/changed - oldversion/newversion
        !            72: $title[0] =~s/ /\//;
        !            73: 
        !            74: # Format the cvslog msg itself
        !            75: while (<STDIN>) {
        !            76: 	chomp($_);
        !            77: 	if ($_=~/^[A-Z].*:\s*$/) {
        !            78: 		$_ = "<br /><b>" . $_ . "</b><br />";
        !            79: 	}
        !            80: 	else {
        !            81: 		$_ .= "<br />";
        !            82: 	}
        !            83: 	$description .= $_;
        !            84: }
        !            85: 
        !            86: if ($cvsDiff == 1) {
        !            87: 	# 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)
        !            88: 	# This will rdiff it against the previous version, and include that diff in the rss feed
        !            89: 
        !            90: 	if (($title[1] != "NONE") && ($title[0]=~/(.*).(txt|java)$/)){
        !            91: 		my $tmpFile = "/tmp/diff.$$";
        !            92: 		my $cmdLine = "cvs -n rdiff -kk -r " . $title[1] .  " -r " . $title[2] . " " . $title[0] . ">" . $tmpFile;
        !            93: 		system($cmdLine);
        !            94: 
        !            95: 		$description .= "<br /><b>Differences:</b><br />";
        !            96: 		open CVSDIFF, "<" . $tmpFile;
        !            97: 		foreach my $line (<CVSDIFF>) {
        !            98: 			chomp($line);
        !            99: 			$description .= $line . "<br />";
        !           100: 		}
        !           101: 		unlink($tmpFile);   
        !           102: 	} 
        !           103: }
        !           104: 
        !           105: $rss->add_item(
        !           106: 	title => "/" . $title[0] . " - " . $title[1] . "/" . $title[2],
        !           107: 	author => $author,
        !           108: 	pubDate => $pubDate, 
        !           109: 	description=> $description,
        !           110: 	mode => 'insert'
        !           111: );		
        !           112: 
        !           113: # XML::RSS doesn't like HTML in the XML so Escape the description body with <![CDATA[ ]]>
        !           114: # This is messy and stupid, but both XML::RSS and XML are sort of dumb, and I can't figure out a way around it.
        !           115: # Certain RSS readers will try and render the HTML regardless of if it is wrapped in a CDATA tag or not so um, deal.
        !           116: foreach my $element (@{$rss->{'items'}}) {
        !           117: 	$element->{'description'} = "<![CDATA[" . $element->{'description'} . "]]>";
        !           118: }
        !           119: 
        !           120: $rss->save($rssFeed);
        !           121: 
        !           122: # Rsync this rss feed to another publically accessable machine.
        !           123: #my $cmdLine="rsync -r -e ssh --delete /export/www/rss/html/ builder\@monkey:/export/www/rss/html/";
        !           124: #system($cmdLine);