Add rsync plugin, though the only rsync-specific thing about it is the

assumption that uploading an entire site is efficient.

IkiWiki/Plugin/rsync.pm

@@ -0,0 +1,47 @@
+#!/usr/bin/perl
+package IkiWiki::Plugin::rsync;
+
+use warnings;
+no warnings 'redefine';
+use strict;
+use IkiWiki 3.00;
+
+sub import {
+	hook(type => "getsetup", id => "rsync", call => \&getsetup);
+	hook(type => "checkconfig", id => "rsync", call => \&checkconfig);
+	hook(type => "postrefresh", id => "rsync", call => \&postrefresh);
+}
+
+sub getsetup () {
+	return
+		plugin => {
+			safe => 0,
+			rebuild => 0,
+		},
+		rsync_command => {
+			type => "string",
+			example => "rsync -qa --delete /path/to/destdir/ user\@host:/path/to/docroot/",
+			description => "command to upload regenerated pages to another host",
+			safe => 0,
+			rebuild => 0,
+		},
+}
+
+sub checkconfig {
+	if (! exists $config{rsync_command} ||
+	    ! defined $config{rsync_command}) {
+		error("Must specify rsync_command");
+	}
+}
+
+sub postrefresh () {
+	debug "in postrefresh hook, gonna run rsync";
+	system $config{rsync_command};
+	if ($? == -1) {
+		error("failed to execute rsync_command: $!");
+	} elsif ($? != 0) {
+		error(sprintf("rsync_command exited %d", $? >> 8));
+	}
+}
+
+1

IkiWiki/Render.pm

@@ -524,6 +524,7 @@ sub refresh () {
 	if (%rendered) {
 		run_hooks(change => sub { shift->(keys %rendered) });
 	}
+	run_hooks(postrefresh => sub { shift->() });
 }
 
 sub commandline_render () {