change mirror country automatically based on ipinfo

prov.sh

@@ -4,10 +4,32 @@ export DEBIAN_FRONTEND=noninteractive
 
 function main() {
 	RELEASE="$(lsb_release -cs)"
+    apt update
     prov-$RELEASE
 }
 
+function detect-mirror-country() {
+    apt install -y jq curl
+    curl ipinfo.io | jq -r .country
+}
+
+function set-mirror-country() {
+    MURM="main universe restricted multiverse"
+    COUNTRY="$(detect-mirror-country)"
+    URL="http://$COUNTRY.archive.ubuntu.com/ubuntu"
+cat > /etc/apt/sources.list.new <<EOF
+deb $URL $(lsb_release -cs) $MURM
+deb $URL $(lsb_release -cs)-updates $MURM
+deb $URL $(lsb_release -cs)-backports $MURM
+deb $URL $(lsb_release -cs)-security $MURM
+EOF
+
+}
+
 function prov-focal() {
+
+    set-mirror-country
+
 PKGS="
 bridge-utils
 byobu