# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1523886486 -7200
# Node ID 3eda46f9183485acabdb7c0710e7427064bdb9ad
# Parent  ae5f98eadb752fe7e2d1a4fd58184a2d19dfd857
check md5 of previously downloaded files

diff -r ae5f98eadb75 -r 3eda46f91834 Resources/CMake/DownloadPackage.cmake
--- a/Resources/CMake/DownloadPackage.cmake	Mon Apr 16 15:08:41 2018 +0200
+++ b/Resources/CMake/DownloadPackage.cmake	Mon Apr 16 15:48:06 2018 +0200
@@ -81,6 +81,11 @@
         TIMEOUT 60 INACTIVITY_TIMEOUT 60)
     else()
       message("Using local copy of ${Url}")
+
+      file(MD5 ${TMP_PATH} ActualMD5)
+      if (NOT "${ActualMD5}" STREQUAL "${MD5}")
+        message(FATAL_ERROR "The MD5 hash of a previously download file is invalid: ${TMP_PATH}")
+      endif()
     endif()
 
     GetUrlExtension(TMP_EXTENSION "${Url}")