From 04bf40a5a6077a2a717d020a06c5259fbe81bb9e Mon Sep 17 00:00:00 2001
From: Duncan Ogilvie <mr.exodia.tpodt@gmail.com>
Date: Thu, 23 Dec 2021 03:53:07 +0100
Subject: [PATCH] Generate resources/version.hpp with the project version

---
 CMakeLists.txt                 | 1 +
 cmake.toml                     | 1 +
 cmake/generate_resources.cmake | 8 ++++++--
 cmake/version.hpp.in           | 3 +++
 src/help.cpp                   | 3 ++-
 5 files changed, 13 insertions(+), 3 deletions(-)
 create mode 100644 cmake/version.hpp.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 814201d..5040760 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,6 +93,7 @@ list(APPEND cmkr_SOURCES
 	"include/literals.hpp"
 	"include/project_parser.hpp"
 	"cmake/cmkr.cmake"
+	"cmake/version.hpp.in"
 )
 
 list(APPEND cmkr_SOURCES
diff --git a/cmake.toml b/cmake.toml
index f7520fa..88abb69 100644
--- a/cmake.toml
+++ b/cmake.toml
@@ -25,6 +25,7 @@ sources = [
     "src/*.cpp",
     "include/*.hpp",
     "cmake/cmkr.cmake",
+    "cmake/version.hpp.in",
 ]
 include-directories = [
     "include",
diff --git a/cmake/generate_resources.cmake b/cmake/generate_resources.cmake
index 57533c3..20c7d98 100644
--- a/cmake/generate_resources.cmake
+++ b/cmake/generate_resources.cmake
@@ -5,15 +5,19 @@ function(generate_resources target)
         PROPERTY SOURCES
     )
     foreach(SOURCE ${TARGET_SOURCES})
+        get_filename_component(RESOURCE_NAME "${SOURCE}" NAME_WE)
+        set(RESOURCE_HEADER "include/resources/${RESOURCE_NAME}.hpp")
+
         if(SOURCE MATCHES ".cmake$")
-            get_filename_component(RESOURCE_NAME "${SOURCE}" NAME_WE)
-            set(RESOURCE_HEADER "include/resources/${RESOURCE_NAME}.hpp")
             # Add configure-time dependency on the source file
             configure_file("${SOURCE}" "${RESOURCE_HEADER}" COPYONLY)
             # Generate the actual resource into the header
             file(READ "${SOURCE}" RESOURCE_CONTENTS)
             configure_file("${PROJECT_SOURCE_DIR}/cmake/resource.hpp.in" "${RESOURCE_HEADER}" @ONLY)
             message(STATUS "[cmkr] Generated ${RESOURCE_HEADER}")
+        elseif(SOURCE MATCHES ".in$")
+            configure_file("${SOURCE}" "${RESOURCE_HEADER}" @ONLY)
+            message(STATUS "[cmkr] Generated ${RESOURCE_HEADER}")
         endif()
     endforeach()
     target_include_directories(${target} PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/include")
diff --git a/cmake/version.hpp.in b/cmake/version.hpp.in
new file mode 100644
index 0000000..87a5f7b
--- /dev/null
+++ b/cmake/version.hpp.in
@@ -0,0 +1,3 @@
+#pragma once
+
+#define CMKR_VERSION "@PROJECT_VERSION@"
\ No newline at end of file
diff --git a/src/help.cpp b/src/help.cpp
index 5d93f57..84b4af6 100644
--- a/src/help.cpp
+++ b/src/help.cpp
@@ -1,9 +1,10 @@
 #include "help.hpp"
+#include <resources/version.hpp>
 
 namespace cmkr {
 namespace help {
 
-const char *version() noexcept { return "cmkr version 0.1.3"; }
+const char *version() noexcept { return "cmkr version " CMKR_VERSION; }
 
 const char *message() noexcept {
     return R"lit(