Add prod command trap to save myself from utter destruction.

.bash_profile

@@ -66,3 +66,20 @@ export ANSIBLE_NOCOWS=1
 # Ansible aliases.
 alias an='ansible'
 alias ap='ansible-playbook'
+
+# Ask for confirmation when 'prod' is in a command string.
+prod_command_trap () {
+  if [[ $BASH_COMMAND == *prod* ]]
+  then
+    read -p "Are you sure you want to run this command on prod [Y/n]? " -n 1 -r
+    if [[ $REPLY =~ ^[Yy]$ ]]
+    then
+      echo -e "\nRunning command \"$BASH_COMMAND\" \n"
+    else
+      echo -e "\nCommand was not run.\n"
+      return 1
+    fi
+  fi
+}
+shopt -s extdebug
+trap prod_command_trap DEBUG