move check for backup location to function

update

@@ -9,27 +9,22 @@ DATE="$(date +"%Y-%m-%dT%H:%M:%S%:z")"  # RFC 3339 date-time https://datatracker
 
 source "$HOME"/.config/update.conf || exit 1
 
-if [ ! -d $BACKUP_LOCATION ]; then
-    echo -e "${IYELLOW}Backup location doesn't exist${NO_COLOR}"
-    read -p "Do you want to create the path and continue? [y/N]" input
-    case $input in
-        [Yy]) mkdir --parents "$BACKUP_LOCATION" ;;
-        [Nn]) exit 0;;
-        * ) exit 0 ;;
-    esac
-fi
-
-if [ $SECONDARY_BACKUP_LOCATION ]; then 
-    if [ ! -d $SECONDARY_BACKUP_LOCATION ]; then
-        echo -e "${IYELLOW}Secondary Backup location doesn't exist${NO_COLOR}"
-        read -p "Do you want to create the path and continue? [y/N]" input
-        case $input in
-            [Yy]) mkdir --parents "$SECONDARY_BACKUP_LOCATION" ;;
-            [Nn]) exit 0;;
-            * ) exit 0 ;;
-        esac
+check_for_valid_backup_location() {
+    if [ $1 ]; then 
+        if [ ! -d $1 ]; then
+            echo -e "${IYELLOW}$1 doesn't exist${NO_COLOR}"
+            read -p "Do you want to create the path and continue? [y/N]" input
+            case $input in
+                [Yy]) mkdir --parents "$1" ;;
+                [Nn]) exit 0;;
+                * ) exit 0 ;;
+            esac
+        fi
     fi
-fi
+}
+
+check_for_valid_backup_location "$BACKUP_LOCATION"
+check_for_valid_backup_location "$SECONDARY_BACKUP_LOCATION"
 
 trap interrupt_function INT
 

update.conf

@@ -8,4 +8,4 @@ BACKUP_LOCATION=~
 PACMAN_WRAPPER=yay
 
 # how many different backups to keep
-BACKUP_AMOUNT=2
+BACKUP_AMOUNT=10