ENV can be used in the setup file to override environment variable setting, such as TZ or PATH.

IkiWiki.pm

@@ -103,6 +103,12 @@ sub checkconfig () { #{{{
 		}
 	}
 
+	if (ref $config{ENV} eq 'HASH') {
+		foreach my $val (keys %{$config{ENV}}) {
+			$ENV{$val}=$config{ENV}{$val};
+		}
+	}
+
 	if ($config{w3mmode}) {
 		eval q{use Cwd q{abs_path}};
 		error($@) if $@;

debian/changelog

@@ -11,6 +11,8 @@ ikiwiki (2.47) UNRELEASED; urgency=low
     it just expanded to nothing.
   * git: Skip over signed-off-by and similar lines in commit messages
     when generating recentchanges.
+  * ENV can be used in the setup file to override environment variable
+    setting, such as TZ or PATH.
 
  -- Joey Hess <joeyh@debian.org>  Tue, 13 May 2008 12:30:18 -0400
 

doc/ikiwiki.setup

@@ -143,6 +143,12 @@ use IkiWiki::Setup::Standard {
 	#disable_plugins => [qw{inline htmlscrubber passwordauth openid}],
 	# To add a directory to the perl search path, use this.
 	#libdir => "/home/me/.ikiwiki/",
+	
+	# To override environment variable settings, you can list values here.
+	#ENV => {
+	#	TZ => "America/New_York",
+	#	PATH => "/home/me/bin:/usr/local/bin:/usr/bin:/bin",
+	#},
 
 	# For use with the tag plugin, make all tags be located under a
 	# base page.

doc/todo/configurable_timezones.mdwn

@@ -1,3 +1,5 @@
 It would be nice if the sure could set the timezone of the wiki, and have ikiwiki render the pages with that timezone.
 
 This is nice for shared hosting, and other situation where the user doesn't have control over the server timezone.
+
+> [[done]] via the ENV setting in the setup file. --[[Joey]]