don't use lsb_release, output information

updatemirror.sh

@@ -4,7 +4,7 @@ set -euo pipefail
 
 function main () {
     # check for ubuntu only
-    if ! $(lsb_release -a | grep -q "Ubuntu"); then
+    if ! grep -qi '^ID=ubuntu' /etc/os-release; then
         echo "only for ubuntu" > /dev/stderr
         exit 1
     fi
@@ -31,9 +31,9 @@ function main () {
 
     MIRRORHOST="$(echo "$COUNTRYCODE" | tr 'A-Z' 'a-z').archive.ubuntu.com"
 
+    echo "IP geolocated as $COUNTRYCODE, pdating mirror to $MIRRORHOST."
     find /etc/apt/sources.list.d/ -type f -exec \
       sed -i "s|archive\.ubuntu\.com|$MIRRORHOST|g" {} +
-
 }
 
 main