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authorDaniel Baumann <daniel@debian.org>2007-09-23 10:04:48 +0200
committerDaniel Baumann <daniel@debian.org>2011-03-09 18:18:28 +0100
commit799d4bfb31c279b72088c8ee8a16c2710ab8a309 (patch)
tree4bbc1758ceaa46c5e81fe9d66ccdaacfec047ef8 /functions/usage.sh
parent677415f6d7efc1e5b888570d70af311d2900c69c (diff)
downloadvyos-live-build-799d4bfb31c279b72088c8ee8a16c2710ab8a309.tar.gz
vyos-live-build-799d4bfb31c279b72088c8ee8a16c2710ab8a309.zip
Adding live-helper 1.0~a3-1.
Diffstat (limited to 'functions/usage.sh')
-rwxr-xr-xfunctions/usage.sh26
1 files changed, 21 insertions, 5 deletions
diff --git a/functions/usage.sh b/functions/usage.sh
index 7f8d69489..8f70c469c 100755
--- a/functions/usage.sh
+++ b/functions/usage.sh
@@ -1,16 +1,32 @@
#!/bin/sh
-# usage.sh - handle usage information
+# usage.sh - print usage information
+# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
+#
+# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
+# This is free software, and you are welcome to redistribute it
+# under certain conditions; see COPYING for details.
+
+set -e
Usage ()
{
echo "${PROGRAM} - ${DESCRIPTION}"
echo
- echo "${USAGE}"
- echo "Usage: ${PROGRAM} [-h|--help]"
- echo "Usage: ${PROGRAM} [-u|--usage]"
- echo "Usage: ${PROGRAM} [-v|--version]"
+ echo "Usage:"
+ echo
+
+ if [ -n "${USAGE}" ]
+ then
+ echo " ${USAGE}"
+ echo
+ fi
+
+ echo " ${PROGRAM} [-h|--help]"
+ echo " ${PROGRAM} [-u|--usage]"
+ echo " ${PROGRAM} [-v|--version]"
echo
echo "Try \"${PROGRAM} --help\" for more information."
+
exit 1
}