cmake: Strip leading whitespace from git commit message

Author: tht2005

CMakeLists.txt

@@ -28,7 +28,7 @@ execute_process(
   OUTPUT_STRIP_TRAILING_WHITESPACE)
 
 execute_process(
-  COMMAND bash -c "git show ${GIT_COMMIT_HASH} | head -n 5 | tail -n 1 | sed -s 's/\#//g'"
+  COMMAND bash -c "git show ${GIT_COMMIT_HASH} | head -n 5 | tail -n 1 | sed -s 's/\#//g; s/^[[:space:]]*//'"
   WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
   OUTPUT_VARIABLE GIT_COMMIT_MESSAGE
   OUTPUT_STRIP_TRAILING_WHITESPACE)