1 files changed, 8 insertions, 0 deletions
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";