added last changed timestamp for pages

doc/todo.mdwn

@@ -121,8 +121,4 @@ A cgi page to allow a user to log out and to edit their prefs, including passwor
 
 ikiwiki needs a logo. I'm thinking something simple like the word "ikiwiki" with the first "k" backwards; drawn to show that it's "wiki" reflected.
 
-## Page last-changed timestamps
-
-Of course you can go to the history to see when a page last changed in svn, still, it will be nice to have a timestamp at the bottom of pages. Should be based on the modification date of the source file, not the last rebuild date.
-
 ## [[Bugs]]

ikiwiki

@@ -324,9 +324,10 @@ sub indexlink () { #{{{
 	return "<a href=\"$config{url}\">$config{wikiname}</a>";
 } #}}}
 
-sub finalize ($$) { #{{{
+sub finalize ($$$) { #{{{
 	my $content=shift;
 	my $page=shift;
+	my $mtime=shift;
 
 	my $title=basename($page);
 	$title=~s/_/ /g;
@@ -354,6 +355,7 @@ sub finalize ($$) { #{{{
 		content => $content,
 		backlinks => [backlinks($page)],
 		discussionlink => htmllink($page, "Discussion", 1, 1),
+		mtime => scalar(gmtime($mtime)),
 	);
 	
 	return $template->output;
@@ -385,7 +387,8 @@ sub render ($) { #{{{
 		
 		$content=linkify($content, $page);
 		$content=htmlize($type, $content);
-		$content=finalize($content, $page);
+		$content=finalize($content, $page,
+			mtime("$config{srcdir}/$file"));
 		
 		check_overwrite("$config{destdir}/".htmlpage($page), $page);
 		writefile("$config{destdir}/".htmlpage($page), $content);

templates/page.tmpl

@@ -35,7 +35,10 @@
 </p>
 </TMPL_IF>
 
+<p>
 <!-- from <TMPL_VAR NAME=WIKINAME> -->
+last edited <TMPL_VAR NAME=MTIME>
+</p>
 
 </body>
 </html>