Add version argument

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.0)
 
-project(Sunshine)
+project(Sunshine VERSION 0.11.1)
 
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
@@ -258,6 +258,9 @@ else()
 	configure_file(sunshine.service.in sunshine.service @ONLY)
 endif()
 
+configure_file(version.h.in version.h @ONLY)
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
 set(SUNSHINE_TARGET_FILES
 	third-party/moonlight-common-c/reedsolomon/rs.c
 	third-party/moonlight-common-c/reedsolomon/rs.h
@@ -367,7 +370,10 @@ list(APPEND SUNSHINE_DEFINITIONS SUNSHINE_DEFAULT_DIR="${SUNSHINE_DEFAULT_DIR}")
 add_executable(sunshine ${SUNSHINE_TARGET_FILES})
 target_link_libraries(sunshine ${SUNSHINE_EXTERNAL_LIBRARIES})
 target_compile_definitions(sunshine PUBLIC ${SUNSHINE_DEFINITIONS})
-set_target_properties(sunshine PROPERTIES CXX_STANDARD 17)
+set_target_properties(sunshine PROPERTIES CXX_STANDARD 17
+                            VERSION ${PROJECT_VERSION}
+                            SOVERSION ${PROJECT_VERSION_MAJOR}
+                            )
 
 if(NOT DEFINED CMAKE_CUDA_STANDARD)
     set(CMAKE_CUDA_STANDARD 17)

sunshine/main.cpp

@@ -25,6 +25,7 @@
 #include "thread_pool.h"
 #include "upnp.h"
 #include "video.h"
+#include "version.h"
 
 #include "platform/common.h"
 extern "C" {
@@ -63,6 +64,7 @@ void print_help(const char *name) {
     << std::endl
     << "    --help                    | print help"sv << std::endl
     << "    --creds username password | set user credentials for the Web manager" << std::endl
+    << "    --version                 | print the version of sunshine" << std::endl
     << std::endl
     << "    flags"sv << std::endl
     << "        -0 | Read PIN from stdin"sv << std::endl
@@ -80,6 +82,13 @@ int entry(const char *name, int argc, char *argv[]) {
 }
 } // namespace help
 
+namespace version {
+int entry(const char *name, int argc, char *argv[]) {
+  std::cout << PROJECT_NAME << " version: " << PROJECT_VER << std::endl;
+  return 0;
+}
+} // namespace version
+
 void log_flush() {
   sink->flush();
 }
@@ -111,7 +120,8 @@ int entry(const char *name, int argc, char *argv[]) {
 
 std::map<std::string_view, std::function<int(const char *name, int argc, char **argv)>> cmd_to_func {
   { "creds"sv, gen_creds::entry },
-  { "help"sv, help::entry }
+  { "help"sv, help::entry },
+  { "version"sv, version::entry }
 };
 
 int main(int argc, char *argv[]) {

version.h.in

@@ -0,0 +1,10 @@
+#ifndef INCLUDE_GUARD
+#define INCLUDE_GUARD
+
+#define PROJECT_NAME "@PROJECT_NAME@"
+#define PROJECT_VER  "@PROJECT_VERSION@"
+#define PROJECT_VER_MAJOR "@PROJECT_VERSION_MAJOR@"
+#define PROJECT_VER_MINOR "@PROJECT_VERSION_MINOR@"
+#define PTOJECT_VER_PATCH "@PROJECT_VERSION_PATCH@"
+
+#endif // INCLUDE_GUARD