Show build version in app header

CMakeLists.txt

@@ -7,6 +7,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
 find_program(CLANG_FORMAT_BIN clang-format)
+find_package(Git QUIET)
 
 include(FetchContent)
 
@@ -16,6 +17,7 @@ set(TELEGRAM_TUI_TDLIB_ROOT ""
 
 set(CURSES_NEED_WIDE TRUE)
 find_package(Curses REQUIRED)
+find_package(Threads REQUIRED)
 
 find_package(nlohmann_json QUIET)
 if(NOT nlohmann_json_FOUND)
@@ -37,6 +39,27 @@ endif()
 
 set(TELEGRAM_TUI_BUILD_API_ID "")
 set(TELEGRAM_TUI_BUILD_API_HASH "")
+set(TELEGRAM_TUI_BUILD_VERSION "${PROJECT_VERSION}")
+set(TELEGRAM_TUI_BUILD_COMMIT "")
+if(GIT_FOUND AND EXISTS "${CMAKE_SOURCE_DIR}/.git")
+  execute_process(
+    COMMAND "${GIT_EXECUTABLE}" rev-parse --short HEAD
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+    OUTPUT_VARIABLE TELEGRAM_TUI_BUILD_COMMIT
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_QUIET
+  )
+  execute_process(
+    COMMAND "${GIT_EXECUTABLE}" describe --tags --always --dirty
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+    OUTPUT_VARIABLE TELEGRAM_TUI_GIT_DESCRIBE
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_QUIET
+  )
+  if(TELEGRAM_TUI_GIT_DESCRIBE)
+    set(TELEGRAM_TUI_BUILD_VERSION "${PROJECT_VERSION}+${TELEGRAM_TUI_GIT_DESCRIBE}")
+  endif()
+endif()
 if(TELEGRAM_TUI_APP_CONFIG_PATH AND EXISTS "${TELEGRAM_TUI_APP_CONFIG_PATH}")
   file(READ "${TELEGRAM_TUI_APP_CONFIG_PATH}" TELEGRAM_TUI_APP_CONFIG_JSON)
 
@@ -130,7 +153,8 @@ if(CLANG_FORMAT_BIN)
 endif()
 
 target_include_directories(shinoa PRIVATE ${CURSES_INCLUDE_DIRS} ${CMAKE_CURRENT_BINARY_DIR})
-target_link_libraries(shinoa PRIVATE ${CURSES_LIBRARIES} nlohmann_json::nlohmann_json)
+target_link_libraries(shinoa PRIVATE ${CURSES_LIBRARIES} Threads::Threads
+                                       nlohmann_json::nlohmann_json)
 
 if(TELEGRAM_TUI_USE_SYSTEM_TDLIB)
   target_link_libraries(shinoa PRIVATE Td::TdJson)