Added git branch name and short hash to moonlight binary

cmake/generate_version_header.cmake

@@ -0,0 +1,29 @@
+include(FindGit)
+
+if(GIT_FOUND AND IS_DIRECTORY "${PROJECT_SOURCE_DIR}/.git")
+  set(GIT_BRANCH "")
+  set(GIT_COMMIT_HASH "")
+
+  # Get the current working branch
+  execute_process(
+    COMMAND ${GIT_EXECUTABLE} name-rev --name-only HEAD
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    OUTPUT_VARIABLE GIT_BRANCH0
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+
+  # Clean Branch name to have only the branch
+  STRING(REGEX REPLACE "((origin))+" "" GIT_BRANCH1 ${GIT_BRANCH0})
+  STRING(REGEX REPLACE "((remotes))+" "" GIT_BRANCH2 ${GIT_BRANCH1})
+  STRING(REGEX REPLACE "\\/+" "" GIT_BRANCH3 ${GIT_BRANCH2})
+  STRING(REGEX REPLACE "~[0-9]*" "" GIT_BRANCH4 ${GIT_BRANCH3})
+  STRING(REGEX REPLACE "\\^[0-9]*" "" GIT_BRANCH ${GIT_BRANCH4})
+
+  # Get the latest abbreviated commit hash of the working branch
+  execute_process(
+    COMMAND git log -1 --format=%h
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    OUTPUT_VARIABLE GIT_COMMIT_HASH
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+endif()