From ffc26eea08050180eaac7af8b1903498c1e24619 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 21 Jul 2022 20:24:03 +0300
Subject: [PATCH] Fix GIT_EXECUTABLE usage.

---
 CMake/GetGitRevisionDescription.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMake/GetGitRevisionDescription.cmake b/CMake/GetGitRevisionDescription.cmake
index 73fe1cc14..a99610c43 100644
--- a/CMake/GetGitRevisionDescription.cmake
+++ b/CMake/GetGitRevisionDescription.cmake
@@ -69,10 +69,12 @@ function(get_git_head_revision _refspecvar _hashvar)
     return()
   endif()
 
+  find_package(Git)
+
   # Check if the current source dir is a git submodule or a worktree.
   # In both cases .git is a file instead of a directory.
   #
-  if (NOT IS_DIRECTORY ${GIT_DIR})
+  if ((NOT IS_DIRECTORY ${GIT_DIR}) AND Git_FOUND)
     # The following git command will return a non empty string that
     # points to the super project working tree if the current
     # source dir is inside a git submodule.