From f0a284813b80a6a26fb27919debc980c9cdb49cb Mon Sep 17 00:00:00 2001
From: Jim Edwards <jedwards@ucar.edu>
Date: Wed, 25 May 2022 14:26:09 -0600
Subject: [PATCH] use . instead of source which is not available in all shells

---
 CIME/XML/env_mach_specific.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CIME/XML/env_mach_specific.py b/CIME/XML/env_mach_specific.py
index 6f89a54522b..aaa8a6b936a 100644
--- a/CIME/XML/env_mach_specific.py
+++ b/CIME/XML/env_mach_specific.py
@@ -184,7 +184,7 @@ def list_modules(self):
         # setup script if it exists.
         init_path = self.get_module_system_init_path("sh")
         if init_path:
-            source_cmd = "source {} && ".format(init_path)
+            source_cmd = ". {} && ".format(init_path)
         else:
             source_cmd = ""