Add CGM value to Waybar

scripts/.local/share/scripts/cgm-value

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+fetch_value() {
+    CGM_VALUE=$(curl -s -H "api-secret: $(pass api/nightscout)" -H "accept: application/json" \
+        "https://nightscout.coolneng.duckdns.org/api/v1/entries?count=1" |
+        grep -o '"sgv":[0-9]*' | cut -d ":" -f 2)
+    echo "$CGM_VALUE"
+}
+
+check_connectivity() {
+    if nc -zw1 freebsd.org 443; then
+        fetch_value
+    else
+        echo "NA"
+    fi
+}
+
+check_connectivity