From: Andre Noll <maan@systemlinux.org>
Date: Fri, 13 Dec 2013 09:57:42 +0000 (+0100)
Subject: gsu_gui: Add check for dialog executable.
X-Git-Url: http://git.tuebingen.mpg.de/?p=gsu.git;a=commitdiff_plain;h=2ca2f1fcffa5d99a177b002c9ef6c76d8b174650

gsu_gui: Add check for dialog executable.

Currently, programs which use gsu_gui exit silently with no indication about
what went wrong if dialog is not installed. This patch makes it print an error
message in this case.
---

diff --git a/misc/gsu/gui b/misc/gsu/gui
index 30c95a4..5b108e1 100644
--- a/misc/gsu/gui
+++ b/misc/gsu/gui
@@ -201,6 +201,11 @@ gsu_gui()
 	local tree="$1" subtree
 
 	_gsu_setup
+	type -t dialog &> /dev/null
+	if (($? != 0)); then
+		gsu_msg "dialog executable not found"
+		exit 1
+	fi
 	_get_root_nodes "$tree"
 	subtree="$result"
 	_browse "$gsu_name main menu" "$tree" "$subtree"