From 0c20c7fa1d9b86c3b519a73f18cf2110fb404395 Mon Sep 17 00:00:00 2001
From: Simon Marsh <simon@burble.com>
Date: Fri, 25 Sep 2020 20:02:34 +0100
Subject: [PATCH] add virtual script

---
 scripts/virtual.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 scripts/virtual.sh

diff --git a/scripts/virtual.sh b/scripts/virtual.sh
new file mode 100755
index 0000000..ad94ac0
--- /dev/null
+++ b/scripts/virtual.sh
@@ -0,0 +1,42 @@
+#!/bin/bash -e
+##########################################################################
+# where am I ?
+SCRIPTPATH="$(cd "$(dirname "$0")" ; pwd -P)"
+DYNAMICPATH="$(cd ${SCRIPTPATH}/../dynamic; pwd -P)"
+
+##########################################################################
+
+if [ $# -lt 2 ]
+then
+    echo "Usage: $0 name ipv6 <ipv4>"
+    exit 1
+fi
+
+name="$1"
+ipv6="$2"
+ipv4="$3"
+
+# the IPv4 arg is optional
+if [ -z "$ipv4" ]
+then
+    echo "Updating DNS: $name -> $ipv6"
+    line=$(printf "    [ '%s', '%s' ]," "$name" "$ipv6" )
+else
+    echo "Updating DNS: $name -> $ipv6 / $ipv4"
+    line=$(printf "    [ '%s', '%s', '%s' ]," "$name" "$ipv6" "$ipv4")    
+fi
+
+pushd "$DYNAMICPATH" > /dev/null
+
+# remove any existing lines
+sed -i -e "/^    \[ '$name',/d" virtual.js
+
+# add a new line for this host
+sed -i -e "s!^    // insert here!    // insert here\n${line}!" virtual.js
+
+# commit
+git commit -a -m "Update $name"
+
+popd
+##########################################################################
+# end of file