add vpn ip to prompt

README.md

@@ -94,6 +94,7 @@ The segments that are currently available are:
 * `history` - The command number for the current line.
 * [`host`](#host) - Your current host name
 * [`ip`](#ip) - Shows the current IP address.
+* [`vpn`](#vpn) - Shows the current VPN IP address.
 * [`public_ip`](#public_ip) - Shows your public IP address.
 * `load` - Your machine's load averages.
 * `os_icon` - Display a nice little icon, depending on your operating system.
@@ -444,6 +445,14 @@ specify the correct network interface by setting:
 |----------|---------------|-------------|
 |`POWERLEVEL9K_IP_INTERFACE`|None|The NIC for which you wish to display the IP address. Example: `eth0`.|
 
+##### vpn
+
+This segment tries to extract the VPN related IP addresses from nmcli, based on the NIC type:
+
+| Variable | Default Value | Description |
+|----------|---------------|-------------|
+|`POWERLEVEL9K_VPN_IP_INTERFACE`|tun|The VPN NIC type|
+
 ##### public_ip
 
 This segment will display your public IP address. There are several methods of obtaining this

functions/icons.zsh

@@ -84,6 +84,7 @@ case $POWERLEVEL9K_MODE in
       LOCK_ICON                      $'\UE138'              # 
       EXECUTION_TIME_ICON            $'\UE89C'              # 
       SSH_ICON                       '(ssh)'
+      VPN_ICON                       '(vpn)'
     )
   ;;
   'awesome-fontconfig')
@@ -152,6 +153,7 @@ case $POWERLEVEL9K_MODE in
       LOCK_ICON                      $'\UE138'              # 
       EXECUTION_TIME_ICON            $'\uF253'
       SSH_ICON                       '(ssh)'
+      VPN_ICON                       $'\uF023'
     )
   ;;
   'nerdfont-complete'|'nerdfont-fontconfig')
@@ -220,6 +222,7 @@ case $POWERLEVEL9K_MODE in
       LOCK_ICON                      $'\UF023'              # 
       EXECUTION_TIME_ICON            $'\uF252'              # 
       SSH_ICON                       $'\uF489'              # 
+      VPN_ICON                       '(vpn)'
     )
   ;;
   *)
@@ -288,6 +291,7 @@ case $POWERLEVEL9K_MODE in
       LOCK_ICON                      $'\UE0A2'
       EXECUTION_TIME_ICON            'Dur'
       SSH_ICON                       '(ssh)'
+      VPN_ICON                       '(vpn)'
     )
   ;;
 esac

powerlevel9k.zsh-theme

@@ -914,6 +914,17 @@ prompt_ip() {
   "$1_prompt_segment" "$0" "$2" "cyan" "$DEFAULT_COLOR" "$ip" 'NETWORK_ICON'
 }
 
+set_default POWERLEVEL9K_VPN_IP_INTERFACE "tun"
+# prompt if vpn active
+prompt_vpn_ip() {
+  for vpn_iface in $(ip tuntap | grep -e ^"$POWERLEVEL9K_VPN_IP_INTERFACE" | cut -d":" -f1)
+  do
+    ip=$(ip -4 a show "$vpn_iface" | grep -o "inet\s*[0-9.]*" | grep -o "[0-9.]*")
+    "$1_prompt_segment" "$0" "$2" "cyan" "$DEFAULT_COLOR" "$ip" 'VPN_ICON'
+  done
+}
+
+
 prompt_load() {
   # The load segment can have three different states
   local current_state="unknown"