From ee14c3497ad9ce060d3d0837668426e257bd19c6 Mon Sep 17 00:00:00 2001
From: Robert Maynard <rmaynard@nvidia.com>
Date: Wed, 7 Sep 2022 11:58:15 -0400
Subject: [PATCH] Don't warn about dirty source trees when a PATCH_COMMAND is
 provided

The patch command will always cause a dirty source tree, which
is expected and not a cause for concern.
---
 cmake/CPM.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/CPM.cmake b/cmake/CPM.cmake
index 9b47e708..c84d9978 100644
--- a/cmake/CPM.cmake
+++ b/cmake/CPM.cmake
@@ -672,7 +672,7 @@ function(CPMAddPackage)
       )
       cpm_get_fetch_properties("${CPM_ARGS_NAME}")
 
-      if(DEFINED CPM_ARGS_GIT_TAG)
+      if(DEFINED CPM_ARGS_GIT_TAG AND NOT (PATCH_COMMAND IN_LIST CPM_ARGS_UNPARSED_ARGUMENTS))
         # warn if cache has been changed since checkout
         cpm_check_git_working_dir_is_clean(${download_directory} ${CPM_ARGS_GIT_TAG} IS_CLEAN)
         if(NOT ${IS_CLEAN})