WIP: postprocessing pipeline

Now each run is executed in a independent folder

garlic/pp/timetable.nix

@@ -0,0 +1,31 @@
+{
+  stdenv
+, jq
+}:
+
+inputResult:
+
+stdenv.mkDerivation {
+  name = "timetable.json";
+  preferLocalBuild = true;
+  phases = [ "installPhase" ];
+  buildInputs = [ jq ];
+  installPhase = ''
+    touch $out
+    cd ${inputResult}
+    for exp in *-experiment; do
+      cd ${inputResult}/$exp
+      for unit in *-unit; do
+        cd ${inputResult}/$exp/$unit
+        conf=garlic_config.json
+        for run in $(ls -d [0-9]* | sort -n); do
+          time=$(awk '/^time /{print $2}' $run/stdout.log)
+          jq -cn "{ exp:\"$exp\", unit:\"$unit\", config:inputs, time:$time}" \
+            $conf >> $out
+        done
+      done
+    done
+
+    #gzip $out
+  '';
+}