Thu Dec  1 22:07:08 UTC 2005  stephane@sources.org
  * ATOM support for syndication
diff -rN -u old-darcsweb/darcsweb.cgi new-darcsweb/darcsweb.cgi
--- old-darcsweb/darcsweb.cgi	2013-07-12 23:30:53.000000000 +0000
+++ new-darcsweb/darcsweb.cgi	2013-07-12 23:30:53.000000000 +0000
@@ -20,6 +20,7 @@
 import xml.sax
 from xml.sax.saxutils import escape as xml_escape
 
+iso_datetime = '%Y-%m-%dT%H:%M:%SZ'
 
 # empty configuration class, we will fill it in later depending on the repo
 class config:
@@ -1715,7 +1716,68 @@
 	print_log(topi = topi)
 	print_footer()
 
+def do_atom():
+	print "Content-type: application/atom+xml; charset=utf-8\n"
+	print '<?xml version="1.0" encoding="utf-8"?>'
+	inv = config.repodir + '/_darcs/inventory'
+	repo_lastmod = os.stat(inv).st_mtime
+	print """<feed xmlns="http://www.w3.org/2005/Atom">
+  <title>%(reponame)s darcs repository</title>
+  <link rel="alternate" type="text/html" href="%(url)s"/>
+  <link rel="self" type="application/atom+xml" href="%(url)s/%(reponame)s;a=atom"/>
+  <id>%(url)s</id> <!-- TODO: find a better <id>, see RFC 4151 -->
+  <author><name>darcs repository (several authors)</name></author>
+  <generator>darcsweb.cgi</generator>
+  <updated>%(lastmod)s</updated> 
+  <subtitle>%(desc)s</subtitle>
+  	""" % {
+		'reponame': config.reponame,
+		'url': config.myurl + '/' + config.myreponame,
+		'desc': config.repodesc,
+		'lastmod': 	time.strftime(iso_datetime, time.localtime(repo_lastmod))}
+	ps = get_last_patches(20)
+	for p in ps:
+		title = time.strftime('%d %b %H:%M', time.localtime(p.date))
+		title += ' - ' + p.name
+		pdate = time.strftime(iso_datetime,
+				time.localtime(p.date))
+		link = '%s/%s;a=commit;h=%s' % (config.myurl,
+				config.myreponame, p.hash)
 
+		print """
+  <entry>
+    <title>%(title)s</title>
+    <author><name>%(author)s</name><!-- TODO: parse it to get the email. Not obvious, darcs authors can be anything --></author>
+    <updated>%(pdate)s</updated>
+    <id>%(url)s/%(pname)s</id> <!-- TODO: find a better <id>, see RFC 4151 -->
+    <link rel="alternate" href="%(link)s"/>
+    <summary>%(desc)s</summary>
+	   	""" % {
+			'title': escape(title),
+			'author': p.author,
+			'url': config.myurl + '/' + config.myreponame,
+			'pdate': pdate,
+			'pname': escape(p.name),
+			'link': link,
+			'desc': escape(p.name),
+		}
+                # TODO: allow to get plain text, not HTML?
+		print '    <content type="xhtml"><div xmlns="http://www.w3.org/1999/xhtml"><p>'
+		print escape(p.name) + '<br/>'
+		if p.comment:
+			print '<br/>'
+			print escape(p.comment).replace('\n', '<br/>\n')
+			print '<br/>'
+		print '<br/>'
+		changed = p.adds + p.removes + p.modifies.keys() + \
+				p.moves.keys() + p.diradds + p.dirremoves + \
+				p.replaces.keys()
+		for i in changed: # TODO: link to the file 
+			print '<code>%s</code><br/>' % i
+		print '</p></div>'
+		print '</content></entry>'
+	print '</feed>'
+	
 def do_rss():
 	print "Content-type: text/xml; charset=utf-8\n"
 	print '<?xml version="1.0" encoding="utf-8"?>'
@@ -2128,6 +2190,9 @@
 elif action == 'rss':
 	do_rss()
 
+elif action == 'atom':
+	do_atom()
+
 else:
 	action = "invalid query"
 	do_die()