From: Joey Hess <joey@kitenet.net>
Date: Sun, 17 Nov 2013 00:49:57 +0000 (-0400)
Subject: guard against lastrev being "" just in case
X-Git-Tag: debian/3.20140102~63
X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/commitdiff_plain/49e0841ad5f36adbbc1291488d8e34ef550d0df9?hp=441002e3e6b7f979eb4ef1d2525add2ea308ba6a

guard against lastrev being "" just in case
---

diff --git a/IkiWiki/Render.pm b/IkiWiki/Render.pm
index 60424bbda..57418f2ed 100644
--- a/IkiWiki/Render.pm
+++ b/IkiWiki/Render.pm
@@ -834,7 +834,7 @@ sub refresh () {
 	srcdir_check();
 	run_hooks(refresh => sub { shift->() });
 	my ($files, $pages, $new, $internal_new, $del, $internal_del, $changed, $internal_changed);
-	if (! $config{rebuild} && want_find_changes() && defined $IkiWiki::lastrev) {
+	if (! $config{rebuild} && want_find_changes() && defined $IkiWiki::lastrev && length $IkiWiki::lastrev) {
 		my ($changed_raw, $del_raw);
 		($changed_raw, $del_raw, $IkiWiki::lastrev) = $IkiWiki::hooks{rcs}{rcs_find_changes}{call}->($IkiWiki::lastrev);
 		($files, $pages)=process_changed_files($changed_raw, $del_raw);
@@ -843,7 +843,7 @@ sub refresh () {
 		($files, $pages)=find_src_files();
 	}
 	if (want_find_changes()) {
-		if (! defined($IkiWiki::lastrev)) {
+		if (! defined($IkiWiki::lastrev) || ! length $IkiWiki::lastrev) {
 			$IkiWiki::lastrev=$IkiWiki::hooks{rcs}{rcs_get_current_rev}{call}->();
 		}
 	}