autotrace: use checksummed patches

1 files changed, 8 insertions, 5 deletions

diff --git a/Library/Formula/autotrace.rb b/Library/Formula/autotrace.rb
index 61dd4c31f..8a8e2848f 100644
--- a/Library/Formula/autotrace.rb
+++ b/Library/Formula/autotrace.rb
@@ -9,11 +9,14 @@ class Autotrace < Formula
 
   # Issue 16569: Use MacPorts patch to port input-png.c to libpng 1.5.
   # Fix underquoted m4
-  def patches
-    {:p0 => [
-      'https://trac.macports.org/export/100575/trunk/dports/graphics/autotrace/files/patch-libpng-1.5.diff',
-      'https://trac.macports.org/export/77101/trunk/dports/graphics/autotrace/files/patch-autotrace.m4.diff'
-    ]}
+  patch :p0 do
+    url "https://trac.macports.org/export/100575/trunk/dports/graphics/autotrace/files/patch-libpng-1.5.diff"
+    sha1 "b9b8bd6eca4ca41586ac1bd22cc0c5df2e1bf601"
+  end
+
+  patch :p0 do
+    url "https://trac.macports.org/export/77101/trunk/dports/graphics/autotrace/files/patch-autotrace.m4.diff"
+    sha1 "e9969fc23f83ad739f6c7f572b5c6d48eae910f5"
   end
 
   def install