Create custom.list during install/update if it doesn't exist

Signed-off-by: Christian König <ckoenig@posteo.de>

automated install/basic-install.sh

@@ -70,6 +70,7 @@ PI_HOLE_BLOCKPAGE_DIR="${webroot}/pihole"
 useUpdateVars=false
 
 adlistFile="/etc/pihole/adlists.list"
+="${PI_HOLE_CONFIG_DIR}/custom.list"
 # Pi-hole needs an IP address; to begin, these variables are empty since we don't know what the IP is until
 # this script can run
 IPV4_ADDRESS=${IPV4_ADDRESS}
@@ -1810,6 +1811,16 @@ installPiholeWeb() {
     printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
 }
 
+# Creates custom DNS file if it does not exist
+installCustomDNSfile() {
+
+    if [[ ! -e "${customDNSfile}" ]]; then
+        touch "${customDNSfile}"
+        chmod 644 "${customDNSfile}"
+    fi
+
+}
+
 # Installs a cron file
 installCron() {
     # Install the cron job
@@ -2037,6 +2048,9 @@ installPihole() {
     # install a man page entry for pihole
     install_manpage
 
+    # install custom DNS file if it does not exist
+    installCustomDNSfile
+
     # Update setupvars.conf with any variables that may or may not have been changed during the install
     finalExports
 }