fix(template-rename): require old name argument

- would be overwritten by correct template updates

Signed-off-by: Cameron Smith <cameron.ray.smith@gmail.com>

Author: cameronraysmith

nix/modules/template-rename.nix

@@ -30,28 +30,33 @@
           RED='\033[0;31m'
           NC='\033[0m' # No Color
 
-          # Default old names
-          OLD_NAME="python-nix-template"
-          OLD_UNDERSCORE="python_nix_template"
-
           # Get the current directory name as default new name
           DEFAULT_NEW_NAME=$(basename "$(pwd)")
           # Convert to underscore version
           DEFAULT_NEW_UNDERSCORE=$(echo "$DEFAULT_NEW_NAME" | tr '-' '_')
 
-          # Use command line argument if provided, otherwise use defaults
-          if [ $# -eq 1 ]; then
-            NEW_NAME="$1"
+          # Check for required arguments
+          if [ $# -lt 1 ]; then
+            echo -e "''${RED}Error: Missing required argument.''${NC}"
+            echo "Usage: fix-template-names OLD_NAME [NEW_NAME]"
+            echo "OLD_NAME: The original template name to be replaced"
+            echo "NEW_NAME: The new name to use (optional, defaults to current directory name: $DEFAULT_NEW_NAME)"
+            exit 1
+          fi
+
+          # Set old name from first argument
+          OLD_NAME="$1"
+          # Convert to underscore version
+          OLD_UNDERSCORE=$(echo "$OLD_NAME" | tr '-' '_')
+
+          # Use second command line argument if provided, otherwise use defaults
+          if [ $# -eq 2 ]; then
+            NEW_NAME="$2"
             # Convert to underscore version
             NEW_UNDERSCORE=$(echo "$NEW_NAME" | tr '-' '_')
-          elif [ $# -eq 0 ]; then
+          else
             NEW_NAME="$DEFAULT_NEW_NAME"
             NEW_UNDERSCORE="$DEFAULT_NEW_UNDERSCORE"
-          else
-            echo -e "''${RED}Error: Too many arguments.''${NC}"
-            echo "Usage: fix-template-names [new-name]"
-            echo "If no argument is provided, the current directory name ($DEFAULT_NEW_NAME) will be used."
-            exit 1
           fi
 
           echo -e "''${YELLOW}Starting replacement of template names...''${NC}"