diff --git a/flake.lock b/flake.lock
index 0c9d554..58d64a2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1694643239,
-        "narHash": "sha256-pv2k/5FvyirDE8g4TNehzwZ0T4UOMMmqWSQnM/luRtE=",
+        "lastModified": 1695224363,
+        "narHash": "sha256-+hfjJLUMck5G92RVFDZA7LWkR3kOxs5zQ7RPW9t3eM8=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "d9b88b43524db1591fb3d9410a21428198d75d49",
+        "rev": "408ba13188ff9ce309fa2bdd2f81287d79773b00",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1694710316,
-        "narHash": "sha256-uRh46iIC86D8BD1wCDA5gRrt+hslUXiD0kx/UjnjBcs=",
+        "lastModified": 1695109627,
+        "narHash": "sha256-4rpyoVzmunIG6xWA/EonnSSqC69bDBzciFi6SjBze/0=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "570256327eb6ca6f7bebe8d93af49459092a0c43",
+        "rev": "cb4dc98f776ddb6af165e6f06b2902efe31ca67a",
         "type": "github"
       },
       "original": {
@@ -35,11 +35,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1694422566,
-        "narHash": "sha256-lHJ+A9esOz9vln/3CJG23FV6Wd2OoOFbDeEs4cMGMqc=",
+        "lastModified": 1694959747,
+        "narHash": "sha256-CXQ2MuledDVlVM5dLC4pB41cFlBWxRw4tCBsFrq3cRk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3a2786eea085f040a66ecde1bc3ddc7099f6dbeb",
+        "rev": "970a59bd19eff3752ce552935687100c46e820a5",
         "type": "github"
       },
       "original": {
@@ -51,11 +51,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1694767346,
-        "narHash": "sha256-5uH27SiVFUwsTsqC5rs3kS7pBoNhtoy9QfTP9BmknGk=",
+        "lastModified": 1695145219,
+        "narHash": "sha256-Eoe9IHbvmo5wEDeJXKFOpKUwxYJIOxKUesounVccNYk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ace5093e36ab1e95cb9463863491bee90d5a4183",
+        "rev": "5ba549eafcf3e33405e5f66decd1a72356632b96",
         "type": "github"
       },
       "original": {
@@ -67,11 +67,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1694814340,
-        "narHash": "sha256-eo9444JGI/G9jZF+X3xmS5TMRuIT4VYPKyZQ11iF65Q=",
+        "lastModified": 1695329094,
+        "narHash": "sha256-IQSMk3jr38WwEV9VvcipUELaqmSpE97XO0KEzLgbOqM=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "9b70f21fd41d3b96580e7ca4a3d1c29e87bdab36",
+        "rev": "41797d553c8bc067fa3db0681db940b135590ab5",
         "type": "github"
       },
       "original": {
diff --git a/os.sh b/os.sh
index b951fce..7a95dbc 100755
--- a/os.sh
+++ b/os.sh
@@ -1,4 +1,13 @@
 
+function help() {
+  echo "Usage: $0 {apply|upgrade|init} [name]"
+  exit 1
+}
+
+if [ -z "$1" ]; then
+  help
+fi
+
 ACTION=$1; shift
 LOCATION=$PWD
 
@@ -14,6 +23,8 @@ function apply() {
 function upgrade() {
   if git -C "$LOCATION" diff-index --quiet HEAD --; then
     nix flake update --commit-lock-file "$LOCATION"
+    apply $1
+    cleanup
   else
     echo "Error: git working tree is dirty"
     exit 1
@@ -21,18 +32,32 @@ function upgrade() {
 }
 
 function cleanup() {
+  amount=${1:-"7d"}
+  nix-env --delete-generations "$amount"
   nix-collect-garbage -d
-  nixos-store --optimise
+  nix-store --optimise
+  nix-store --verify --check-contents --repair
+}
+
+function init() {
+  mkdir -p "$LOCATION"
+  git clone "https://github.com/morten-olsen/home-server.git" "$LOCATION"
 }
 
 case $ACTION in
+  init)
+    init $1
+    ;;
   apply)
     apply $1
     ;;
   upgrade)
     upgrade $1
     ;;
+  cleanup)
+    cleanup $1
+    ;;
   *)
-    echo "Usage: $0 {apply}"
-    exit 1
+    help
+    ;;
 esac