From 7141303c998942f04dec761555c5944f309658d2 Mon Sep 17 00:00:00 2001
From: Alexander Kjeldaas <ak@formalprivacy.com>
Date: Wed, 9 Apr 2014 15:09:06 +0200
Subject: groff, opensp: make deterministic

---
 pkgs/tools/text/groff/default.nix       | 8 ++++++++
 pkgs/tools/text/sgml/opensp/default.nix | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/pkgs/tools/text/groff/default.nix b/pkgs/tools/text/groff/default.nix
index 97cc3c611733..cd1d719bdaf5 100644
--- a/pkgs/tools/text/groff/default.nix
+++ b/pkgs/tools/text/groff/default.nix
@@ -28,6 +28,14 @@ stdenv.mkDerivation rec {
     '';
   };
 
+  postInstall = ''
+      # Remove example output with (random?) colors to 
+      # avoid non-determinism in the output
+      rm $out/share/doc/${name}/examples/hdtbl/*color*ps
+      # Remove creation date
+      find $out/share/doc/${name} -type f -print0 | xargs -0 sed -i -e 's/%%CreationDate: .*//'
+    '';
+
   meta = {
     homepage = "http://www.gnu.org/software/groff/";
     description = "GNU Troff, a typesetting package that reads plain text and produces formatted output";
diff --git a/pkgs/tools/text/sgml/opensp/default.nix b/pkgs/tools/text/sgml/opensp/default.nix
index 59b9b7bc13d1..23ce8ccc5a88 100644
--- a/pkgs/tools/text/sgml/opensp/default.nix
+++ b/pkgs/tools/text/sgml/opensp/default.nix
@@ -13,8 +13,16 @@ stdenv.mkDerivation {
       docsrc/*.xml
   '';
 
+
   setupHook = ./setup-hook.sh;
 
+  postFixup = ''
+    # Remove random ids in the release notes
+    sed -i -e 's/href="#idm.*"//g' $out/share/doc/OpenSP/releasenotes.html
+    sed -i -e 's/name="idm.*"//g' $out/share/doc/OpenSP/releasenotes.html
+    '';
+
+
   buildInputs = [ xmlto docbook_xml_dtd_412 libxslt docbook_xsl ];
 
   meta = {
-- 
cgit 1.4.1