From 773a9f494836421fe45ac0e1fc1b5513e11c0a56 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A1vid=20Benko?= <davidbenko@davidbenko.dev>
Date: Wed, 4 Sep 2024 19:52:49 +0200
Subject: [PATCH] Version: implement parsing of version from Git

---
 include/kvik/version.hpp | 22 ++++++++++++++++++++++
 test/CMakeLists.txt      | 10 ++++++++++
 test/tests/version.cpp   | 11 +++++++++++
 3 files changed, 43 insertions(+)
 create mode 100644 include/kvik/version.hpp
 create mode 100644 test/tests/version.cpp

diff --git a/include/kvik/version.hpp b/include/kvik/version.hpp
new file mode 100644
index 0000000..43fad55
--- /dev/null
+++ b/include/kvik/version.hpp
@@ -0,0 +1,22 @@
+/**
+ * @file version.hpp
+ * @author Dávid Benko (davidbenko@davidbenko.dev)
+ * @brief Current version of Kvik
+ *
+ * @copyright Copyright (c) 2024
+ *
+ */
+
+#pragma once
+
+namespace kvik
+{
+    /**
+     * @brief Version of Kvik
+     */
+#ifdef GIT_VERSION
+    constexpr const char* const VERSION = GIT_VERSION;
+#else
+    constexpr const char* const VERSION = "unknown";
+#endif
+} // namespace kvik
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 7c8e7a1..8ad985d 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -9,12 +9,21 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(Catch2)
 
+# Parse version from git
+execute_process(
+    COMMAND git describe --all --tags --dirty
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    OUTPUT_VARIABLE GIT_VERSION
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
 include_directories(
   "../include"
   "../priv_include"
 )
 file(GLOB srcs CONFIGURE_DEPENDS
   "../src/common/*.cpp"
+  "../src/linux/logger.cpp"
   "../src/testing/*.cpp"
   "tests/*.cpp"
 )
@@ -26,3 +35,4 @@ set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
 target_link_libraries(kvik_test PRIVATE Threads::Threads)
 target_link_libraries(kvik_test PRIVATE Catch2::Catch2WithMain)
+target_compile_definitions(kvik_test PRIVATE "-DGIT_VERSION=\"${GIT_VERSION}\"")
diff --git a/test/tests/version.cpp b/test/tests/version.cpp
new file mode 100644
index 0000000..7858c28
--- /dev/null
+++ b/test/tests/version.cpp
@@ -0,0 +1,11 @@
+#include <catch2/catch_test_macros.hpp>
+
+#include "kvik/version.hpp"
+#include "kvik/logger.hpp"
+
+using namespace kvik;
+
+TEST_CASE("Version is not unknown", "[Version]")
+{
+    REQUIRE(VERSION != "unknown");
+}