extrapolate get_current_arch to separate script

build.sh

@@ -13,4 +13,5 @@ echo "# This script is GENERATED. Do not edit directly."
 echo
 cat "$DEFAULT_CONFIGURATION_FILE"
 cat "$SOURCE/read_config.sh"
+cat "$SOURCE/get_current_arch.sh"
 cat "$SOURCE/nixos_kexec.sh"

run.sh

@@ -7,4 +7,5 @@ set -o pipefail -o errexit
 cd "$(dirname "$0")"
 
 source "$SOURCE/read_config.sh"
+source "$SOURCE/get_current_arch.sh"
 source "$SOURCE/nixos_kexec.sh" "$@"

src/get_current_arch.sh

@@ -0,0 +1,8 @@
+# Function to get system architecture
+get_current_arch() {
+	local arch=$(uname -m)
+	case "$arch" in
+		x86_64|aarch64) echo "$arch-linux" ;;
+		*) echo "Unsupported architecture: $arch" >&2; exit 1 ;;
+	esac
+}

src/nixos_kexec.sh

@@ -28,15 +28,6 @@ EOF
 	exit 0
 }
 
-# Function to get system architecture
-get_current_arch() {
-	local arch=$(uname -m)
-	case "$arch" in
-		x86_64|aarch64) echo "$arch-linux" ;;
-		*) echo "Unsupported architecture: $arch" >&2; exit 1 ;;
-	esac
-}
-
 # Function to prompt for missing values
 prompt_missing_values() {
 	if [[ -z "${SOURCE:-}" ]]; then