From 22c3c4f936f74d19e72657620b4f99a36bac555f Mon Sep 17 00:00:00 2001
From: Sami Kerola
Date: Sun, 16 Feb 2014 15:22:55 +0000
Subject: tools: make config-gen to require build target argument

When argument is not supplied help user by telling what arguments can be
used.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
 tools/config-gen | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'tools')

diff --git a/tools/config-gen b/tools/config-gen
index b7ccadd0a..5febdc466 100755
--- a/tools/config-gen
+++ b/tools/config-gen
@@ -12,6 +12,15 @@ test -f sys-utils/mount.c || {
 
 . tools/config-gen-functions.sh
 
+if [ $# -eq 0 ]; then
+	echo "This script requires at least one of the folloving arguments:"
+	cd tools/config-gen.d
+	for i in *.conf; do
+		echo "  ${i%%.conf}"
+	done
+	exit 1
+fi
+
 while [ -n "$1" ]; do
 	opts="$opts $(ul_get_configuration tools/config-gen.d/$1.conf)"
 	shift
-- 
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