Add skip option

1 files changed, 20 insertions, 7 deletions

diff --git a/scripts/install-with-disko b/scripts/install-with-disko
index 7ae4e8e..a6210b9 100755
--- a/scripts/install-with-disko
+++ b/scripts/install-with-disko
@@ -1,6 +1,12 @@
 #!/usr/bin/env nix-shell
 #!nix-shell -i zsh --packages rsync zsh
 
+# load module to parse command line arguments
+zmodload zsh/zutil
+
+# parse any possible additional drive declarations
+zparseopts -D -E -A opts -- -skip-disko h
+
 setopt ERR_EXIT NO_UNSET PIPE_FAIL
 DIR="${0:h}"
 
@@ -62,15 +68,22 @@ echo
 
 if [[ "${REPLY}" == "y" ]]; then
 	sudo true
-	sudo nix run github:nix-community/disko \
-		--extra-experimental-features "nix-command flakes" \
-		--no-write-lock-file \
-		-- \
-		--mode zap_create_mount \
-		"${DIR}/../hosts/${TARGET_HOST}/disks.nix"
+
+	if (( ! ${+opts[--skip-disko]} )); then
+		sudo nix run github:nix-community/disko \
+			--extra-experimental-features "nix-command flakes" \
+			--no-write-lock-file \
+			-- \
+			--mode zap_create_mount \
+			"${DIR}/../hosts/${TARGET_HOST}/disks.nix"
+	fi
 
 	# rsync NixOS configuration to target host file system and install the system
-	sudo mkdir -p /mnt/etc/nixos
+
+	if [[ ! -d /mnt/etc/nixos ]]; then
+		sudo mkdir -p /mnt/etc/nixos
+	fi
+
 	sudo rsync -a --delete --exclude .git "${DIR}/.." /mnt/etc/nixos
 	cd /mnt/etc/nixos
 	sudo nixos-install --flake ".#${TARGET_HOST}"