2 files changed, 16 insertions, 1 deletions
diff --git a/pkgs/misc/tex/nix/animatedot.sh b/pkgs/misc/tex/nix/animatedot.sh
new file mode 100644
index 00000000000..da4bb00c176
--- /dev/null
+++ b/pkgs/misc/tex/nix/animatedot.sh
@@ -0,0 +1,9 @@
+. $stdenv/setup
+
+ensureDir $out
+
+for i in $(seq 1 $nrFrames); do
+    echo "producing frame $i...";
+    targetName=$out/$(basename $(stripHash $dotGraph; echo $strippedName) .dot)-f-$i.dot
+    cpp -DFRAME=$i < $dotGraph > $targetName
+done
diff --git a/pkgs/misc/tex/nix/default.nix b/pkgs/misc/tex/nix/default.nix
index 8509562d90c..52345d0f66b 100644
--- a/pkgs/misc/tex/nix/default.nix
+++ b/pkgs/misc/tex/nix/default.nix
@@ -53,5 +53,11 @@ rec {
       ];
     };
   
-       
+
+  animateDot = dotGraph: nrFrames: pkgs.stdenv.mkDerivation {
+    name = "dot-frames";
+    builder = ./animatedot.sh;
+    inherit dotGraph nrFrames;
+  };
+
 }
\ No newline at end of file