From c4f7ca2241c28f801589dafe9048a40109be86a8 Mon Sep 17 00:00:00 2001
From: Sonny <sonnyba871@gmail.com>
Date: Wed, 9 May 2018 23:23:05 +0200
Subject: [PATCH] Add script to detect public ip address change

---
 scripts/detect-ip-change | 15 +++++++++++++++
 scripts/pubip            |  4 ----
 2 files changed, 15 insertions(+), 4 deletions(-)
 create mode 100644 scripts/detect-ip-change
 delete mode 100755 scripts/pubip

diff --git a/scripts/detect-ip-change b/scripts/detect-ip-change
new file mode 100644
index 0000000..51a0ed6
--- /dev/null
+++ b/scripts/detect-ip-change
@@ -0,0 +1,15 @@
+#!/bin/bash
+# Send an email when the public ipv4 address changes
+
+if [[ -a /tmp/ipv4_address ]]; then
+    CURRENT_IP=$(/usr/bin/dig +short myip.opendns.com @resolver1.opendns.com)
+    PREVIOUS_IP=$(cat /tmp/ipv4_address)
+
+    if [[ $CURRENT_IP != $PREVIOUS_IP ]]; then
+        echo "IP address changed from $PREVIOUS_IP to $CURRENT_IP" | /usr/bin/mail -s 'IP address changed' sonnyba871@gmail.com 
+        echo $CURRENT_IP > /tmp/ipv4_address
+        echo "Mail sent"
+    fi
+else
+    echo "$(/home/sonny/dotfiles/scripts/pubip)" > /tmp/ipv4_address
+fi
diff --git a/scripts/pubip b/scripts/pubip
deleted file mode 100755
index 7039c6f..0000000
--- a/scripts/pubip
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash
-## Get public IP
-
-wget http://ipinfo.io/ip -qO -