feat(waybar): add config

waybar/scripts/vpn-status.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+# check wireguard and tailscale status
+# outputs waybar JSON; empty when inactive
+
+parts=()
+tooltip_parts=()
+
+if command -v wg &>/dev/null; then
+    ifaces=$(wg show interfaces 2>/dev/null)
+    if [[ -n "$ifaces" ]]; then
+        parts+=("󰖂")
+        tooltip_parts+=("wireguard: $ifaces")
+    fi
+fi
+
+if command -v tailscale &>/dev/null; then
+    ts_json=$(tailscale status --json 2>/dev/null)
+    state=$(jq -r '.BackendState // empty' <<<"$ts_json")
+    if [[ "$state" == "Running" ]]; then
+        ts_ip=$(jq -r '.TailscaleIPs[0] // empty' <<<"$ts_json")
+        ts_name=$(jq -r '.Self.HostName // empty' <<<"$ts_json")
+        ts_exit=$(jq -r '.ExitNodeStatus.ID // empty' <<<"$ts_json")
+        parts+=("󰒒")
+        tip="tailscale: ${ts_name} ${ts_ip}"
+        if [[ -n "$ts_exit" ]]; then
+            tip="$tip (exit node)"
+        fi
+        tooltip_parts+=("$tip")
+    fi
+fi
+
+if [[ ${#parts[@]} -gt 0 ]]; then
+    text="${parts[*]}"
+    tip=$(printf '%s\\n' "${tooltip_parts[@]}")
+    # strip trailing \n
+    tip=${tip%\\n}
+    jq -nc --arg text "$text" --arg tooltip "$tip" --arg class "active" \
+      '{$text,$class,$tooltip}'
+fi