more debug of path

ci/stack_env.sh

@@ -3,3 +3,4 @@
 SPACK_VERSION=$(jq -r .spack.version ${STACK_CONFIG})
 STACK_LOCATION=$(jq -r .stack.mount_point ${STACK_CONFIG})
 SPACK_SYSTEM_CONFIG_PATH=${STACK_LOCATION}/stack/${stack}/environment
+STACK_CONFIG_PATH=${STACK_LOCATION}/stacks/${stack}