From 8c02d670d010bbaa320b71435febc8d74e951749 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kodama.kitenet.net>
Date: Sat, 2 Aug 2008 23:14:59 -0400
Subject: [PATCH] pull values from form to config

---
 IkiWiki/Plugin/websetup.pm | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/IkiWiki/Plugin/websetup.pm b/IkiWiki/Plugin/websetup.pm
index 64c4d0991..24ccee40f 100644
--- a/IkiWiki/Plugin/websetup.pm
+++ b/IkiWiki/Plugin/websetup.pm
@@ -261,7 +261,16 @@ sub showform ($$) { #{{{
 		foreach my $field (keys %fields) {
 			# TODO plugin enable/disable
 			next if $field=~/^enable\./; # plugin
-			$config{$fields{$field}}=$form->field($field);
+
+			my $key=$fields{$field};
+			my $value=$form->field($field);
+
+			next unless defined $value;
+			# Avoid setting fields to empty strings,
+			# if they were not set before.
+			next if ! defined $config{$key} && ! length $value;
+
+			$config{$key}=$value;
 		}
 		# TODO save to real path
 		IkiWiki::Setup::dump("/tmp/s");
-- 
2.26.2