Create index files for the experiments

garlic/stages/isolate/stage1

@@ -17,7 +17,7 @@ env=(
   PATH="@nixPrefix@@busybox@/bin:@busybox@/bin:@extraPath@"
   $(env | grep ^SLURM || true)
   $(env | grep ^PMI || true)
-  $(env | grep ^GARLIC_OUT || true)
+  $(env | grep ^GARLIC || true)
   $(env | grep ^USER || true)
   HOME="/homeless-shelter"
 )

garlic/stages/runexp/runexp

@@ -13,6 +13,9 @@ group=$(id -gn)
 
 export GARLIC_OUT="/gpfs/projects/bsc15/garlic/out/$user"
 mkdir -p "$GARLIC_OUT"
+export GARLIC_INDEX="/gpfs/projects/bsc15/garlic/index/$user"
+mkdir -p "$GARLIC_INDEX"
+export GARLIC_USER="$user"
 cd "$GARLIC_OUT"
 
 exec @nixPrefix@@program@

garlic/stages/unit.nix

@@ -55,11 +55,31 @@ stdenv.mkDerivation {
       exit 1
     fi
 
+    if [ -z "\$GARLIC_EXPERIMENT" ]; then
+      >&2 echo "GARLIC_EXPERIMENT not defined, aborting"
+      exit 1
+    fi
+
+    if [ -z "\$GARLIC_INDEX" ]; then
+      >&2 echo "GARLIC_INDEX not defined, aborting"
+      exit 1
+    fi
+
     cd "\$GARLIC_OUT"
 
     # Set the experiment unit in the environment
     export GARLIC_UNIT=$(basename $out)
 
+    # Create an index entry
+    rm -f "\$GARLIC_INDEX/${conf.unitName}" \
+      "\$GARLIC_INDEX/${conf.expName}" 
+
+    ln -Tfs "../../out/\$GARLIC_UNIT" \
+      "\$GARLIC_INDEX/${conf.unitName}"
+
+    ln -Tfs "../../out/\$GARLIC_EXPERIMENT" \
+      "\$GARLIC_INDEX/${conf.expName}"
+
     if [ -e "\$GARLIC_UNIT" ]; then
       >&2 echo "skipping, unit path already exists: \$GARLIC_UNIT"
       exit 0