diff --git a/.gitignore b/.gitignore
index bef743e27..1a6efb166 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 build
 stage
+stage.tar
diff --git a/cook.sh b/cook.sh
index 3b91ec647..8810e6779 100755
--- a/cook.sh
+++ b/cook.sh
@@ -27,6 +27,9 @@ then
                 fetch)
                     git clone --recursive "$GIT" build
                     ;;
+                unfetch)
+                    rm -rf build
+                    ;;
                 stage)
                     mkdir -p stage/bin
                     cd build
@@ -36,8 +39,12 @@ then
                 unstage)
                     rm -rf stage
                     ;;
-                unfetch)
-                    rm -rf build
+                tar)
+                    cd stage
+                    tar cf ../stage.tar .
+                    ;;
+                untar)
+                    rm -rf stage.tar
                     ;;
                 update)
                     cd build