add bashup::set-existing_backups function

sbin/bashup-backup-files.sh

@@ -8,6 +8,7 @@
 source $(dirname $0)/bashup.sh
 
 bashup::set-retention_array
+bashup::set-existing_backups
 
 # create backup for today
 if [[ " ${retention_array[@]} " =~ " ${today} " ]]; then

sbin/bashup-list-backups.sh

@@ -92,6 +92,7 @@ if [ ! -z "$backup" ]; then
   fi
 else
   # output list of backups (dates)
+  bashup::set-existing_backups
   for existing_backup in "${existing_backups[@]}"; do
     echo $existing_backup
   done

sbin/bashup-restore-files.sh

@@ -52,7 +52,7 @@ while getopts "b:np:h" opt; do
   esac
 done
 
-bashup::set_existing_backups
+bashup::set-existing_backups
 
 # prompt if backup was not set on command line
 if [ -z "$backup" ] ; then

sbin/bashup-restore-mysql.sh

@@ -52,7 +52,7 @@ while getopts "b:d:nh" opt; do
   esac
 done
 
-bashup::set_existing_backups
+bashup::set-existing_backups
 
 # prompt if backup was not set on command line
 if [ -z "$backup" ] ; then

sbin/bashup-restore-pdns.sh

@@ -52,7 +52,7 @@ while getopts "b:nz:h" opt; do
   esac
 done
 
-bashup::set_existing_backups
+bashup::set-existing_backups
 
 # prompt if backup was not set on command line
 if [ -z "$backup" ] ; then

sbin/bashup.sh

@@ -106,14 +106,16 @@ fi
 # get todays date (backup dir name)
 today=$(date +%Y%m%d)
 
-# set existing_backups array
-existing_backups=($(ls $backup_storage_dir|grep -v lost+found))
-# if script is a *-backup-* script remove today from existing backups, if it exists. we do other checks avoid re-doing backups
-if [[ "$0" == *"-backup-"* ]];then
-  if [[ " ${existing_backups[@]} " =~ " ${today} " ]]; then
-    unset 'existing_backups[-1]';
+function bashup::set-existing_backups () {
+  # set existing_backups array
+  existing_backups=($(ls $backup_storage_dir|grep -v lost+found))
+  # if script is a *-backup-* script remove today from existing backups, if it exists. we do other checks avoid re-doing backups
+  if [[ "$0" == *"-backup-"* ]];then
+    if [[ " ${existing_backups[@]} " =~ " ${today} " ]]; then
+      unset 'existing_backups[-1]';
+    fi
   fi
-fi
+}
 
 function bashup::set-retention_array () {