add remote build to update script

bin/auto-update-nixos

@@ -8,6 +8,7 @@ flakeDir="${FLAKE_DIR}"                         # Path to the flake file (and op
 update=false                                    # Whether to update flake.lock (false by default)
 user=$(/run/current-system/sw/bin/whoami)       # Which user account to use for git commands (defaults to whoever called the script)
 reboot=false
+remote=false
 remainingArgs=""                                # All remaining arguments that haven't yet been processed (will be passed to nixos-rebuild)
 
 function usage() {
@@ -25,6 +26,8 @@ function usage() {
 	echo " -o, --operation            The nixos-rebuild operation to perform."
 	echo " -f, --flake <path>         The path to your flake.nix file (and optionally, the hostname to build)."
 	echo " -U, --update               Update and commit flake.lock."
+	echo " -R, --build-host <user@host>   Build on remote host."
+	echo " -r, --reboot               Reboots system is there is a kernel or init update"
 	echo " -u, --user                 Which user account to run git commands under."
 	echo ""
 	exit 2
@@ -47,6 +50,12 @@ while [[ $# -gt 0 ]]; do
 		reboot=true
 		shift
 		;;
+	--build-host|-R)
+		remote=true
+		host="$2"
+		shift
+		shift
+		;;
 	--operation|-o)
 		operation="$2"
 		shift
@@ -84,16 +93,12 @@ echo "Pulling the latest version of the repository..."
 /run/wrappers/bin/sudo -u $user git stash
 /run/wrappers/bin/sudo -u $user git pull
 
-if [ $update = true ]; then
-	echo "Updating flake.lock..."
-	/run/wrappers/bin/sudo -u $user nix flake update --commit-lock-file && /run/wrappers/bin/sudo -u $user git push
-else
-	echo "Skipping 'nix flake update'..."
-fi
+/run/wrappers/bin/sudo -u $user nix flake update --commit-lock-file && /run/wrappers/bin/sudo -u $user git push
 
 options="--flake $flakeDir $remainingArgs --use-remote-sudo"
 
 echo "Running this operation: nixos-rebuild $operation $options"
+
 /run/wrappers/bin/sudo -u root /run/current-system/sw/bin/nixos-rebuild $operation $options
 
 echo "Checking if reboot is necessary"