Add versioning system

CMakeLists.txt

@@ -1,5 +1,4 @@
 # Mainspring project CMakeLists.txt
-
 cmake_minimum_required(VERSION 3.20)
 
 project(mainspring)

Mainspring/CMakeLists.txt

@@ -1,5 +1,4 @@
 # Mainspring app CMakeLists.txt
-
 add_executable(Mainspring WIN32 "src/Mainspring.cpp")
 
 set_property(TARGET Mainspring PROPERTY CXX_STANDARD 20)
@@ -8,4 +7,9 @@ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /entry:mainCRTStartup")
 
 if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
     set_property(TARGET Mainspring PROPERTY WIN32_EXECUTABLE FALSE)
-endif()
+endif()
+
+find_package(Git)
+execute_process(COMMAND ${GIT_EXECUTABLE} describe OUTPUT_VARIABLE MAINSPRING_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
+configure_file(src/version.h.in version.h)
+target_include_directories(Mainspring PUBLIC "${PROJECT_BINARY_DIR}/Mainspring")

Mainspring/src/Mainspring.cpp

@@ -1,9 +1,11 @@
 // Mainspring main file
-
 #include <iostream>
+#include <format>
+
+#include "version.h"
 
 int main(int argc, char* argv[]) {
-    std::cout << "Mainspring\n";
+    std::cout << std::format("Mainspring {}\n", MAINSPRING_VERSION);
 
     std::cin.get();
     return EXIT_SUCCESS;

Mainspring/src/version.h.in

@@ -0,0 +1,2 @@
+// Version configured header file
+#define MAINSPRING_VERSION "@MAINSPRING_VERSION@"