From 3a03e1053e427e8403bc9a4c2fb4686d9d179991 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Tue, 29 Nov 2011 14:02:48 +0100
Subject: [PATCH] Fix gsu com_complete().

It should work also if set -u was given. Currently this fails if
_com_complete() is called with no arguments.

Moreover, the first argument, if it is provided, should be a number
but we missed to check this.
---
 misc/gsu/subcommand | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/misc/gsu/subcommand b/misc/gsu/subcommand
index 911179e..7ba4850 100644
--- a/misc/gsu/subcommand
+++ b/misc/gsu/subcommand
@@ -400,7 +400,7 @@ gsu_getopts()
 
 _com_complete()
 {
-	local cmd n cword="$1"
+	local cmd n cword
 	local -a words
 
 	if (($# == 0)); then
@@ -411,9 +411,13 @@ _com_complete()
 		candidates=(\$($0 complete "\$COMP_CWORD" "\${COMP_WORDS[@]}"));
 		COMPREPLY=(\$(compgen -W "\${candidates[*]}" -- "\$cur"));
 EOF
+		ret=$GSU_SUCCESS
+		return
 	fi
 
-	[[ -z "$cword" ]] && return
+	cword="$1"
+	gsu_is_a_number "$cword"
+	(($ret < 0)) && return
 	if (($cword <= 1)); then
 		_gsu_available_commands
 		echo "${result}"
-- 
2.39.2