From 717d7035f77b357908e886e70100ae0b59d1cdc7 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Thu, 3 Mar 2011 21:32:37 +0100
Subject: Detect changed images via mtime

---
 Changelog         | 1 +
 bin/dthumb        | 2 --
 lib/App/Dthumb.pm | 6 +++++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Changelog b/Changelog
index 08580e4..08981ea 100644
--- a/Changelog
+++ b/Changelog
@@ -4,6 +4,7 @@ git HEAD
     * Show filename in lightbox
     * The HTML title is now configurable, it defaults to the current directory
     * Add -r/--recreate option to recreate all thumbnails
+    * Detect changed images via mtime
 
 dthumb 0.1 - Sun Feb 27 2011
 
diff --git a/bin/dthumb b/bin/dthumb
index 05ea6fc..c9cded8 100755
--- a/bin/dthumb
+++ b/bin/dthumb
@@ -173,8 +173,6 @@ F<.dthumb>, which contains various data (so far icons and javascript code).
 
 =head1 BUGS AND LIMITATIONS
 
-Thumbnails of changed images are not yet recreated.
-
 Report issues either by mail to E<lt>derf@chaosdorf.deE<gt> or on
 E<lt>http://github.com/derf/dthumb/issuesE<gt>.
 
diff --git a/lib/App/Dthumb.pm b/lib/App/Dthumb.pm
index 7f9bb23..336e797 100755
--- a/lib/App/Dthumb.pm
+++ b/lib/App/Dthumb.pm
@@ -306,7 +306,11 @@ sub create_thumbnail_image {
 	my $thumbdir = $self->{config}->{dir_thumbs};
 	my $thumb_dim = $self->{config}->{size};
 
-	if (-e "${thumbdir}/${file}" and not $self->{config}->{recreate}) {
+	if (
+			-e "${thumbdir}/${file}"
+			and not $self->{config}->{recreate}
+			and (stat($file))[9] <= (stat("${thumbdir}/${file}"))[9]
+			) {
 		return;
 	}
 
-- 
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