1 files changed, 19 insertions, 0 deletions
diff --git a/scripts/cmake/execute_process.cmake b/scripts/cmake/execute_process.cmake
new file mode 100644
index 000000000..90198e337
--- /dev/null
+++ b/scripts/cmake/execute_process.cmake
@@ -0,0 +1,19 @@
+## # execute_process
+##
+## Intercepts all calls to execute_process() inside portfiles and fails when Download Mode
+## is enabled.
+##
+## In order to execute a process in Download Mode call `_execute_process()` instead.
+##
+if (NOT DEFINED OVERRIDEN_EXECUTE_PROCESS)
+set(OVERRIDEN_EXECUTE_PROCESS ON)
+
+function(execute_process)
+        message(FATAL_ERROR 
+[[
+  This command cannot be executed in Download Mode.
+  Halting portfile execution.
+]])
+endfunction()
+
+endif()
+\ No newline at end of file