Adds versioning to the robot node

Implements an automatic versioning system for the robot node,
utilizing a `version.txt` file and a Python script to increment
the patch version.

Integrates the version into the CMake build process to ensure
the version is displayed in the robot node's output.

src/RobotNode/CMakeLists.txt

@@ -1,7 +1,22 @@
 cmake_minimum_required(VERSION 3.10)
 
-# Defines the project name
-project(Dixon)
+# 1. Define the Version Bumper Target
+# This target is like a "recipe" that isn't cooked until we ask for it.
+add_custom_target(BumpVersion
+        COMMAND python3 ${CMAKE_CURRENT_SOURCE_DIR}/bump_version.py
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+        COMMENT "Bumping version in version.txt..."
+)
+
+# 2. Read the version for the Project metadata
+# This still happens during "Reload" so CMake knows the project version.
+file(READ "${CMAKE_CURRENT_SOURCE_DIR}/version.txt" RAW_VERSION)
+string(STRIP "${RAW_VERSION}" DIXON_VERSION_FROM_FILE)
+
+message(STATUS "Dixon Version detected from file: ${DIXON_VERSION_FROM_FILE}")
+
+# Use that variable in your project definition
+project(Dixon VERSION ${DIXON_VERSION_FROM_FILE} LANGUAGES CXX)
 
 # Forces the compiler to use C++20 features
 set(CMAKE_CXX_STANDARD 20)
@@ -16,9 +31,18 @@ add_executable(Dixon
         CardioCenter/Heart.cpp
         CardioCenter/Heart.h)
 
-# Header Path: Use the local v2.1 headers staged in the project
-target_include_directories(Dixon PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/extern/libgpiod/include")
+# 3. Create the Dependency
+# This tells CMake: "Before you build Dixon, you MUST run BumpVersion."
+add_dependencies(Dixon BumpVersion)
 
+# Generate the header from the template
+configure_file(Version.h.in "${CMAKE_CURRENT_BINARY_DIR}/Version.h")
+
+# Consolidated Include Paths
+target_include_directories(Dixon PRIVATE
+        "${CMAKE_CURRENT_BINARY_DIR}"                           # For generated Version.h
+        "${CMAKE_CURRENT_SOURCE_DIR}/extern/libgpiod/include"  # For libgpiod headers
+)
 
 # Link the gpiod libraries
 target_link_libraries(Dixon PRIVATE

src/RobotNode/Version.h.in

@@ -0,0 +1,7 @@
+#pragma once
+#define VERSION_H
+
+#define DIXON_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
+#define DIXON_VERSION_MINOR @PROJECT_VERSION_MINOR@
+#define DIXON_VERSION_PATCH @PROJECT_VERSION_PATCH@
+#define DIXON_VERSION "@PROJECT_VERSION@"

src/RobotNode/bump_version.py

@@ -0,0 +1,30 @@
+import os
+
+def bump_version():
+    file_path = 'version.txt'
+
+    # Read the current version, default to 1.0.0 if file is missing
+    if os.path.exists(file_path):
+        with open(file_path, 'r') as f:
+            version_str = f.read().strip()
+    else:
+        version_str = "1.0.0"
+
+    try:
+        # Split 1.0.2 into [1, 0, 2]
+        parts = version_str.split('.')
+        major, minor, patch = map(int, parts)
+
+        # Increment the patch
+        new_version = f"{major}.{minor}.{patch + 1}"
+
+        # Write it back to the file
+        with open(file_path, 'w') as f:
+            f.write(new_version)
+
+        print(f"Version bumped to {new_version}")
+    except Exception as e:
+        print(f"Error bumping version: {e}")
+
+if __name__ == "__main__":
+    bump_version()

src/RobotNode/main.cpp

@@ -1,10 +1,12 @@
 #include <iostream>
 #include "DixonBrain.h"
 #include "DixonNodeState.h"
+#include "Version.h" // The generated header
 
 int main()
 {
-    std::cout << "Starting Dixon...\n";
+    // The "Splash Screen"
+    std::cout << "Starting Dixon v" << DIXON_VERSION << "...\n";
 
     // Create the brain controller
     DixonBrain brain;
@@ -20,4 +22,4 @@ int main()
 
     std::cout << "Dixon shut down.\n";
     return 0;
-}
+}

src/RobotNode/version.txt

@@ -0,0 +1 @@
+1.0.7