ssh key fix, consistent help args

[automated-distro-installer] / myfai-chboot

diff --git a/myfai-chboot b/myfai-chboot
index 1abead8c5922a7feb7bcc1df6c1adcbf9b4e9841..11c3eae30cb7b22db5cd9b67826f773e4a72d5c0 100755 (executable)
--- a/myfai-chboot
+++ b/myfai-chboot
@@ -3,17 +3,22 @@
 set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
+x=$(readlink -f "$BASH_SOURCE"); cd ${x%/*}
 
 usage() {
-    cat <<'EOF'
-usage $0 [hostname|ip|default]...
+    cat <<EOF
+usage: ${0##*/} [-h|--help] [hostname|ip|default]...
 
-Sets up tftp pxe config. No argument disables for all hosts.
+Sets up tftp pxe config on host "faiserver". Argument sets the host to
+enable it for, "default" is for all hosts.  No argument disables for all
+hosts.
 EOF
     exit $1
 }
+case $1 in
+    -h|--help) usage ;;
+esac
 
-cd "${BASH_SOURCE%/*}" # directory of the script
 
 host=$(chost faiserver)
 ssh root@$host bash -s "$@" <myfai-chboot-local