update download_singularity func

install.sh

@@ -57,8 +57,16 @@ download_singularity() {
         wget -O "$SINGULARITY_ARCHIVE" "$SINGULARITY_URL"
     fi
     if [ ! -d "$SINGULARITY_DIR" ]; then
+        echo "Creating directory: $SINGULARITY_DIR"
         mkdir "$SINGULARITY_DIR"
+        echo "Extracting archive: $SINGULARITY_ARCHIVE to $SINGULARITY_DIR"
         tar -xzf "$SINGULARITY_ARCHIVE" -C "$SINGULARITY_DIR" --strip-components=1
+        if [ $? -ne 0 ]; then
+            echo "Failed to extract $SINGULARITY_ARCHIVE"
+            exit 1
+        fi
+    else
+        echo "$SINGULARITY_DIR already exists, skipping extraction."
     fi
 }