From 8c62271f324b6f3fb0e8d1a44990c25b82276152 Mon Sep 17 00:00:00 2001
From: Martin Gerhardy <martin.gerhardy@gmail.com>
Date: Sat, 3 Oct 2020 10:42:24 +0200
Subject: [PATCH] CORE: added --version parameter to print the application
 version

---
 CMakeLists.txt          | 6 +++++-
 src/engine-config.h.in  | 9 +++++----
 src/modules/app/App.cpp | 7 ++++++-
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c15c0a1e..cc488ef38 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,10 @@
 cmake_minimum_required(VERSION 3.10)
 include(CMakeLists.local OPTIONAL)
-set(ROOT_PROJECT_VERSION 0.0.10.0)
+set(ROOT_PROJECT_MAJOR_VERSION 0)
+set(ROOT_PROJECT_MINOR_VERSION 0)
+set(ROOT_PROJECT_MICRO_VERSION 10)
+set(ROOT_PROJECT_PATCH_VERSION 0)
+set(ROOT_PROJECT_VERSION "${ROOT_PROJECT_MAJOR_VERSION}.${ROOT_PROJECT_MINOR_VERSION}.${ROOT_PROJECT_MICRO_VERSION}.${ROOT_PROJECT_PATCH_VERSION}")
 set(ROOT_PROJECT_NAME vengi)
 project(${ROOT_PROJECT_NAME} VERSION ${ROOT_PROJECT_VERSION})
 set(ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR} CACHE STRING "Root dir")
diff --git a/src/engine-config.h.in b/src/engine-config.h.in
index 00a2054cb..8b960b48d 100644
--- a/src/engine-config.h.in
+++ b/src/engine-config.h.in
@@ -4,10 +4,11 @@
 
 #pragma once
 
-#define PROJECT_VERSION "@PROJECT_VERSION@"
-#define PROJECT_VERSION_MAJOR "@PROJECT_VERSION_MAJOR@"
-#define PROJECT_VERSION_MINOR "@PROJECT_VERSION_MINOR@"
-#define PROJECT_VERSION_PATCH "@PROJECT_VERSION_PATCH@"
+#define PROJECT_VERSION "@ROOT_PROJECT_VERSION@"
+#define PROJECT_MAJOR_VERSION "@ROOT_PROJECT_MAJOR_VERSION@"
+#define PROJECT_MINOR_VERSION "@ROOT_PROJECT_MINOR_VERSION@"
+#define PROJECT_MICRO_VERSION "@ROOT_PROJECT_MICRO_VERSION@"
+#define PROJECT_PATCH_VERSION "@ROOT_PROJECT_PATCH_VERSION@"
 
 #define HTTP_SERVER_PORT "@HTTP_SERVER_PORT@"
 #define SERVER_HOST "@SERVER_HOST@"
diff --git a/src/modules/app/App.cpp b/src/modules/app/App.cpp
index 4509c4e9f..e565caa3e 100644
--- a/src/modules/app/App.cpp
+++ b/src/modules/app/App.cpp
@@ -359,6 +359,10 @@ AppState App::onInit() {
 			usage();
 			return AppState::Destroy;
 		}
+		if (SDL_strcmp(_argv[i], "--version") == 0 || SDL_strcmp(_argv[i], "-v") == 0) {
+			Log::info("%s " PROJECT_VERSION, _appname.c_str());
+			return AppState::Destroy;
+		}
 	}
 
 	core_trace_init();
@@ -421,7 +425,8 @@ void App::usage() const {
 	const core::VarPtr& logLevel = core::Var::get(cfg::CoreLogLevel, "");
 	logLevel->setVal((int)Log::Level::Info);
 	Log::init();
-	Log::info("Usage: %s [--help] [-set configvar value] [-commandname]", _appname.c_str());
+	Log::info("Version " PROJECT_VERSION);
+	Log::info("Usage: %s [--help] [--version] [-set configvar value] [-commandname]", _appname.c_str());
 	Log::info("------------");
 
 	int maxWidthLong = 0;