Establish proper priority of option sources

rowbot

@@ -50,12 +50,12 @@ get_option() {
   local env_var=${var_name^^}
 
   if [[ ! -v config[$1] || -v OPT_OW ]]; then
-    if [[ -v $var_name ]]; then
-      config[$1]=${!var_name}
-    elif [[ -v $env_var ]]; then
+    if [[ -v $env_var ]]; then
       config[$1]=${!env_var}
     elif [[ -v opts[$1] ]]; then
       config[$1]=${opts[$1]}
+    elif [[ -v $var_name ]]; then
+      config[$1]=${!var_name}
     elif (( $# > 1 )); then
       config[$1]=$2
     fi