[Update] Formatting; Added new options

update.sh

@@ -32,8 +32,21 @@ for option in ${CONFIG_ARRAY[@]}; do
   elif [[ ${option} == "LOG_LINES" ]]; then
     if ! grep -q ${option} mailcow.conf; then
       echo "Adding new option \"${option}\" to mailcow.conf"
+      echo '# Max log lines per service to keep in Redis logs' >> mailcow.conf
       echo "LOG_LINES=9999" >> mailcow.conf
     fi
+  elif [[ ${option} == "IPV4_NETWORK" ]]; then
+    if ! grep -q ${option} mailcow.conf; then
+      echo "Adding new option \"${option}\" to mailcow.conf"
+      echo '# Internal IPv4 /24 subnet, format n.n.n. (expands to n.n.n.0/24)' >> mailcow.conf
+      echo "IPV4_NETWORK=172.22.1" >> mailcow.conf
+    fi
+  elif [[ ${option} == "IPV6_NETWORK" ]]; then
+    if ! grep -q ${option} mailcow.conf; then
+      echo "Adding new option \"${option}\" to mailcow.conf"
+      echo '# Internal IPv6 subnet in fd00::/8' >> mailcow.conf
+      echo "IPV6_NETWORK=fd4d:6169:6c63:6f77::/64" >> mailcow.conf
+    fi
   elif ! grep -q ${option} mailcow.conf; then
     echo "Adding new option \"${option}\" to mailcow.conf"
     echo "${option}=n" >> mailcow.conf
@@ -161,12 +174,10 @@ for container in $(grep -oP "image: \Kmailcow.+" docker-compose.yml); do
   TAG=${container/*:}
   V_MAIN=${container/*.}
   V_SUB=${container/*.}
-
   EXISTING_TAGS=$(docker images | grep ${REPOSITORY} | awk '{ print $2 }')
   for existing_tag in ${EXISTING_TAGS[@]}; do
     V_MAIN_EXISTING=${existing_tag/*.}
     V_SUB_EXISTING=${existing_tag/*.}
-
     # Not an integer
     [[ ! $V_MAIN_EXISTING =~ ^[0-9]+$ ]] && continue
     [[ ! $V_SUB_EXISTING =~ ^[0-9]+$ ]] && continue
@@ -183,6 +194,7 @@ for container in $(grep -oP "image: \Kmailcow.+" docker-compose.yml); do
     fi
   done
 done
+
 if [[ ! -z ${IMGS_TO_DELETE[*]} ]]; then
   echo "Run the following command to delete unused image tags:"
   echo