From 561ba2537793de4dfa33f2c1a926e567e20fc2f7 Mon Sep 17 00:00:00 2001
From: Achim Gsell <achim.gsell@psi.ch>
Date: Mon, 3 Jul 2023 18:21:16 +0200
Subject: [PATCH] modubuild: bugfix in handling of commments in legacy config
 files

---
 Pmodules/modbuild.in | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Pmodules/modbuild.in b/Pmodules/modbuild.in
index dfbb6b5..7ab4898 100755
--- a/Pmodules/modbuild.in
+++ b/Pmodules/modbuild.in
@@ -7,8 +7,6 @@
 #
 #.............................................................................
 
-set -x
-
 declare VERSION='@PMODULES_VERSION@'
 
 # get absolute path of script
@@ -428,8 +426,8 @@ build_modules_legacy() {
 		local -a toks=()
 		while read -a toks; do
 			# skip empty and comment lines
-			[[ -z ${toks} ]] && continue
-			[[ ${toks:0:1} == '#' ]] && continue
+			(( ${#toks[@]} == 0 )) && continue
+			[[ ${toks[0]:0:1} == '#' ]] && continue
 			local -a deps=( ${toks[*]:2} )
 			bash_expand "${toks[0]} ${toks[1]}" "${deps[@]}"
 		done < "${input}"