From c83659c0a9a7dcdf07f704746714797e35298145 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 28 Apr 2014 16:13:39 -0400
Subject: get_options(): Don't set illegal options.

Fixes:

    $ pro-archman -a
    Illegal option -a
    eval: 1: opt_?=true: not found
    Usage: /usr/bin/pro-archman [<option> ...] <command> [<arg> ...]
    [...]
---
diff --git a/src/pro-archman.sh b/src/pro-archman.sh
index 62d9461..b4524d2 100644
--- a/src/pro-archman.sh
+++ b/src/pro-archman.sh
@@ -119,7 +119,9 @@ get_options()
 
 	unset OPTARG
 	while getopts "${OPTSTRING}" opt; do
-		eval "opt_${opt}=\"\${OPTARG:-true}\""
+		if [ "x${opt}" != 'x?' ]; then
+			eval "opt_${opt}=\"\${OPTARG:-true}\""
+		fi
 		unset OPTARG
 	done
 
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