Merge branch '346-modulecmd-make-sure-loadedmodules-_lmfiles_-and-pmodules_home-are-defined' into 'master'

Resolve "modulecmd: make sure LOADEDMODULES, _LMFILES_ and PMODULES_HOME are defined"

Closes #346

See merge request Pmodules/src!334

(cherry picked from commit 98f7d6b06e)

4b676a5b modulecmd: redefine LOADEDMODULES, _LMFILE_, PMODULES_HOME if undef

Co-authored-by: gsell <achim.gsell@psi.ch>

Pmodules/modulecmd.bash.in

@@ -792,6 +792,10 @@ subcommand_load() {
 	done
 	(( ${#args[@]} == 0 )) && \
 		die_missing_arg
+        if [[ ! -v LOADEDMODULES ]]; then
+		LOADEDMODULES=''
+		_LMFILES_=''
+        fi
 
         local m=''
 	if [[ ! -v LOADEDMODULES ]]; then