From 2ca80486ba6a4e5acbdf0ff581d9754af17fa33b Mon Sep 17 00:00:00 2001
From: baranyaib90 <5031516+baranyaib90@users.noreply.github.com>
Date: Mon, 24 Oct 2022 22:53:37 +0200
Subject: [PATCH] Allow external setting of GIT_VERSION

---
 CMakeLists.txt | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,22 +36,24 @@ endif()
 
 # VERSION
 
-find_package(Git)
-if(Git_FOUND)
-  execute_process(
-    COMMAND "${GIT_EXECUTABLE}" show --date=format:%Y.%m.%d --format=%ad-%h --no-patch
-    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
-    OUTPUT_VARIABLE GIT_VERSION
-    OUTPUT_STRIP_TRAILING_WHITESPACE)
-  message(STATUS "Version: ${GIT_VERSION}")
+if(NOT GIT_VERSION)
+  find_package(Git)
+  if(Git_FOUND)
+    execute_process(
+      COMMAND "${GIT_EXECUTABLE}" show --date=format:%Y.%m.%d --format=%ad-%h --no-patch
+      WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+      OUTPUT_VARIABLE GIT_VERSION
+      OUTPUT_STRIP_TRAILING_WHITESPACE)
+    message(STATUS "Version: ${GIT_VERSION}")
 
-  # May not update version in some cases (example: git commit --amend)
-  set_property(GLOBAL APPEND
-    PROPERTY CMAKE_CONFIGURE_DEPENDS
-    "${CMAKE_SOURCE_DIR}/.git/index")
-else()
-  set(GIT_VERSION "UNKNOWN")
-  message(WARNING "Could not find git command! Version is set to: ${GIT_VERSION}")
+    # May not update version in some cases (example: git commit --amend)
+    set_property(GLOBAL APPEND
+      PROPERTY CMAKE_CONFIGURE_DEPENDS
+      "${CMAKE_SOURCE_DIR}/.git/index")
+  else()
+    set(GIT_VERSION "UNKNOWN")
+    message(WARNING "Could not find git command! Version is set to: ${GIT_VERSION}")
+  endif()
 endif()
 
 # LIBRARY DEPENDENCIES