update

os.sh

@@ -0,0 +1,38 @@
+
+ACTION=$1; shift
+LOCATION=$PWD
+
+function apply() {
+  name=$1
+  if [ -z "$name" ]; then
+    sudo nixos-rebuild switch --flake $LOCATION
+  else
+    sudo nixos-rebuild switch --flake "$LOCATION#$name"
+  fi
+}
+
+function upgrade() {
+  if git -C "$LOCATION" diff-index --quiet HEAD --; then
+    nix flake update --commit-lock-file "$LOCATION"
+  else
+    echo "Error: git working tree is dirty"
+    exit 1
+  fi
+}
+
+function cleanup() {
+  nix-collect-garbage -d
+  nixos-store --optimise
+}
+
+case $ACTION in
+  apply)
+    apply $1
+    ;;
+  upgrade)
+    upgrade $1
+    ;;
+  *)
+    echo "Usage: $0 {apply}"
+    exit 1
+esac