add host

[automated-distro-installer] / myfai-chboot-local

diff --git a/myfai-chboot-local b/myfai-chboot-local
index 8d4e1ce480bda868f8d3f8546cbe4cbb14963da8..66c496d069afa8dfb4f0b07782364a914c25cb1f 100755 (executable)
--- a/myfai-chboot-local
+++ b/myfai-chboot-local
@@ -3,6 +3,13 @@
 set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
+case $1 in
+    -h|--help)
+        echo "see help from myfai-chboot"
+        exit 0
+        ;;
+esac
+
 [[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@"
 
 e() { echo "$@"; "$@"; }
@@ -19,7 +26,7 @@ kernel=$(fai-chboot -L '^default$' | awk '{print $3}')
 # man page doesn't explain this, but this deletes & thus disables
 # all chboot systems.
 type -t host &>/dev/null || apt-get -y install dnsutils
-gateway_ip=$(route -n | sed -rn 's/^(0\.){3}0\s+(\S+).*/\2/p')
+gateway_ip=$(route -n | sed -rn 's/^0\.0\.0\.0\s+(\S+).*/\1/p')
 my_ip=$(host faiserver $gateway_ip | sed -rn 's/^\S+ has address //p')
 k_args=$(fai-chboot -L '^default$' | \
              sed -r "s/^(\S+\s+){3}(.*root=)(.*)/\2$my_ip:\3/")