From 146f1d9ab546ffc4aebef79340c6691720513f46 Mon Sep 17 00:00:00 2001
From: intrigeri <intrigeri@boum.org>
Date: Fri, 1 Sep 2017 19:26:26 +0000
Subject: img: resize images in a deterministic manner.

---
 IkiWiki/Plugin/img.pm | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'IkiWiki')

diff --git a/IkiWiki/Plugin/img.pm b/IkiWiki/Plugin/img.pm
index 740c44f96..79cfba20f 100644
--- a/IkiWiki/Plugin/img.pm
+++ b/IkiWiki/Plugin/img.pm
@@ -174,6 +174,12 @@ sub preprocess (@) {
 		my $r = $im->Read("$format:$srcfile\[$pagenumber]");
 		error sprintf(gettext("failed to read %s: %s"), $file, $r) if $r;
 
+		if ($config{deterministic}) {
+			$im->Set('date:create' => 0);
+			$im->Set('date:modify' => 0);
+			$im->Set('option'      => 'png:exclude-chunk=time');
+		}
+
 		if (! defined $im->Get("width") || ! defined $im->Get("height")) {
 			error sprintf(gettext("failed to get dimensions of %s"), $file);
 		}
-- 
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