refactor: combine if statements

dynb.sh

@@ -590,7 +590,7 @@ function handleParameters
   then rm --verbose "$_statusFile"; exit 0
   fi
   # shellcheck disable=SC2154
-  if [[ $_arg_debug == "on" ]]
+  if [[ $_arg_debug == "on" ]] || [[ $DYNB_DEBUG == true ]]
   then _debug=1
   fi
   # shellcheck disable=SC2154
@@ -650,9 +650,6 @@ function handleParameters
   then _is_IPv6_enabled=true
   fi
 
-  if [[ $DYNB_DEBUG == true ]]
-  then _debug=1
-  fi
   # shellcheck disable=SC2154
   if [[ -n $DYNB_IPv4_CHECK_SITE ]]
   then _ipv4_checker=$DYNB_IPv4_CHECK_SITE
@@ -813,11 +810,8 @@ function check_internet_connection
   fi
 }
 
-function main
+function read_config_file
 {
-  # shellcheck disable=SC1091,SC1090
-  source "$(dirname "$(realpath "$0")")/dynb-parsing.sh"
-
   # shellcheck source=.env
   if test -f "$_configFile"
   then
@@ -831,6 +825,15 @@ function main
       source "$alternativeConfig"
     fi
   fi
+}
+
+function main
+{
+  # shellcheck disable=SC1091,SC1090
+  source "$(dirname "$(realpath "$0")")/dynb-parsing.sh"
+
+  read_config_file
+
   if test -f "$_statusFile"
   then
     debugMessage "read previous status file"