git commit and depth in version, android now allows upgrading

CMakeLists.txt

@@ -93,6 +93,42 @@ elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "MSVC")
 	endif()
 endif()
 
+# TODO: move to cmake include (maybe function)
+set(TOMATO_GIT_DEPTH 0)
+set(TOMATO_GIT_COMMIT "UNK")
+
+find_package(Git QUIET)
+if(NOT Git_FOUND)
+    find_program(GIT_EXECUTABLE NAMES git git.exe)
+    if(GIT_EXECUTABLE)
+        set(Git_FOUND TRUE)
+        message(STATUS "Found Git: ${GIT_EXECUTABLE}")
+    endif()
+endif()
+
+if(Git_FOUND)
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+		OUTPUT_VARIABLE GIT_HEAD
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        RESULT_VARIABLE RES
+    )
+    if (RES EQUAL 0)
+		set(TOMATO_GIT_COMMIT ${GIT_HEAD})
+    endif()
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} rev-list --count HEAD
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+		OUTPUT_VARIABLE GIT_DEPTH
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        RESULT_VARIABLE RES
+    )
+    if (RES EQUAL 0)
+		set(TOMATO_GIT_DEPTH ${GIT_DEPTH})
+    endif()
+endif()
+
 # cmake setup end
 
 add_subdirectory(./src)

android/app/AndroidManifest.xml.in

@@ -4,8 +4,8 @@
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 	package="org.libsdl.app.tomato"
-	android:versionCode="1"
-	android:versionName="@tomato_VERSION_MAJOR@.@tomato_VERSION_MINOR@.@tomato_VERSION_PATCH@"
+	android:versionCode="@TOMATO_GIT_DEPTH@"
+	android:versionName="@tomato_VERSION_MAJOR@.@tomato_VERSION_MINOR@.@tomato_VERSION_PATCH@-@TOMATO_GIT_DEPTH@+git.@TOMATO_GIT_COMMIT@"
 	android:installLocation="auto">
 
 	<!-- OpenGL ES 2.0 -->

src/main.cpp

@@ -29,7 +29,14 @@
 int main(int argc, char** argv) {
 	runSysCheck();
 
-	std::cout << "tomato " TOMATO_VERSION_STR "\n";
+	std::cout << "tomato " TOMATO_VERSION_STR;
+	if (TOMATO_GIT_DEPTH != 0) {
+		std::cout << "-" << TOMATO_GIT_DEPTH;
+	}
+	if (std::string_view{TOMATO_GIT_COMMIT} != "UNK") {
+		std::cout << "+git." << TOMATO_GIT_COMMIT;
+	}
+	std::cout << "\n";
 
 #ifdef TOMATO_BREAKPAD
 	// TODO: maybe run before sys check?

src/version.hpp.in

@@ -4,5 +4,8 @@
 #define TOMATO_VERSION_MINOR @tomato_VERSION_MINOR@
 #define TOMATO_VERSION_PATCH @tomato_VERSION_PATCH@
 
+#define TOMATO_GIT_COMMIT "@TOMATO_GIT_COMMIT@"
+#define TOMATO_GIT_DEPTH @TOMATO_GIT_DEPTH@
+
 #define TOMATO_VERSION_STR "@tomato_VERSION_MAJOR@.@tomato_VERSION_MINOR@.@tomato_VERSION_PATCH@"