X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=faiserver-revm;h=6d598a6f3f084b1771e3f6fb3fa7ffa1cb7d9882;hb=a027429011d313e0d9156fef9451f5a55a588163;hp=78427231df54960f855e2c15b5738c20488742a8;hpb=d6df8985152a6c17523cedc3fee62694544eeaf2;p=automated-distro-installer

diff --git a/faiserver-revm b/faiserver-revm
index 7842723..6d598a6 100755
--- a/faiserver-revm
+++ b/faiserver-revm
@@ -1,16 +1,25 @@
 #!/bin/bash -l
-# Usage: faiserver-revm
-# Create a vm which is a fai server.
-#
-# This assumes you've set the dhcp server to make
-# 52:54:00:56:09:f9 be faiserver.
 set -x
 
 set -eE -o pipefail
 cleanup() { :; }
 trap 'cleanup; echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
-cd "${BASH_SOURCE%/*}"
+x="$(readlink -f "$BASH_SOURCE")"; cd ${x%/*}
+
+usage() {
+    cat <<EOF
+usage: ${0##*/} [-h|--help]
+Create a vm which is a fai server.
+
+This assumes you've set the dhcp server to make 52:54:00:56:09:f9 be
+faiserver. That mac is a randomly generated one in the libvirt range.
+EOF
+    exit $1
+}
+case $1 in
+    -h|--help) usage ;;
+esac
 
 cleanup() { pxe-server :; }
 ./debian-pxe-preseed -i 192.168.1.1 -u ian -g vda