arguement parsing exclusively for setting flags. logic in main

burrow

@@ -18,10 +18,13 @@ config_git_push=false
 
 # vars from flags
 flag_debug=0
+flag_version=0
+flag_help=0
 
 # vars from args
 arg_options=hvd
 arg_longoptions=help,version,debug
+arg_shortlist=0
 arg_recipe=0
 arg_phlog=0
 arg_create_config=0
@@ -72,11 +75,11 @@ function parse_input() {
   while true; do
     case "$1" in
       -h|--help)
-        show_help
+        flag_help=1
         shift
         ;;
       -v|--version)
-        echo "$version"
+        flag_version=1
         shift
         ;;
       -d|--debug)
@@ -103,10 +106,7 @@ function parse_input() {
   do
     argc=${arg,,}
     case $argc in
-      "shortlist")
-        echo "phlog recipe create-config update-git"
-        exit 0
-        ;;
+      "shortlist") arg_shortlist=1 ;;
       "phlog") arg_phlog=1 ;;
       "recipe") arg_recipe=1 ;;
       "create-config") arg_create_config=1 ;;
@@ -306,6 +306,22 @@ function update_git() {
 function main() {
   parse_input "$@"
 
+  if [[ ${arg_shortlist} ]]
+  then
+    echo "phlog recipe create-config update-git"
+    exit 0
+  fi
+
+  if [[ ${flag_version} -gt 0 ]]
+  then
+    echo "$version"
+  fi
+
+  if [[ ${flag_help} -gt 0 ]]
+  then
+    show_help
+  fi
+
   if [[ ${flag_debug} -gt 0 ]]
   then
     set -x