duplicity gpg options

src/freedombone-utils-backup

 BACKUP_DUMMY_PASSWORD='backup'
 
 BACKUP_TEMP_DIRECTORY=/root/.backuptemp
+BACKUPS_GPG_OPTIONS="--no-show-photos --pinentry-mode loopback"
 
 function create_backups_temp_directory {
     if [ ! -d $BACKUP_TEMP_DIRECTORY ]; then
 
 function backup_directory_to_usb_duplicity {
     create_backups_temp_directory
-    echo "$BACKUP_DUMMY_PASSWORD" | duplicity full --tempdir $BACKUP_TEMP_DIRECTORY --encrypt-key $MY_BACKUP_KEY_ID --full-if-older-than 4W --exclude-other-filesystems ${1} file://$USB_MOUNT/backup/${2}
+    echo "$BACKUP_DUMMY_PASSWORD" | duplicity full --gpg-options "$BACKUPS_GPG_OPTIONS" --tempdir $BACKUP_TEMP_DIRECTORY --encrypt-key $MY_BACKUP_KEY_ID --full-if-older-than 4W --exclude-other-filesystems ${1} file://$USB_MOUNT/backup/${2}
     if [ ! "$?" = "0" ]; then
         umount $USB_MOUNT
         rm -rf $USB_MOUNT
         exit 8352925
     fi
     if [[ $ENABLE_BACKUP_VERIFICATION == "yes" ]]; then
-        echo "$BACKUP_DUMMY_PASSWORD" | duplicity verify --tempdir $BACKUP_TEMP_DIRECTORY --encrypt-key $MY_BACKUP_KEY_ID --full-if-older-than 4W --exclude-other-filesystems ${1} file://$USB_MOUNT/backup/${2}
+        echo "$BACKUP_DUMMY_PASSWORD" | duplicity verify --gpg-options "$BACKUPS_GPG_OPTIONS" --tempdir $BACKUP_TEMP_DIRECTORY --encrypt-key $MY_BACKUP_KEY_ID --full-if-older-than 4W --exclude-other-filesystems ${1} file://$USB_MOUNT/backup/${2}
         if [ ! "$?" = "0" ]; then
             umount $USB_MOUNT
             rm -rf $USB_MOUNT
 
 function restore_directory_from_usb_duplicity {
     create_backups_temp_directory
-    echo "$BACKUP_DUMMY_PASSWORD" | duplicity restore --tempdir $BACKUP_TEMP_DIRECTORY --force file://$USB_MOUNT/backup/${2} ${1}
+    echo "$BACKUP_DUMMY_PASSWORD" | duplicity restore --gpg-options "$BACKUPS_GPG_OPTIONS" --tempdir $BACKUP_TEMP_DIRECTORY --force file://$USB_MOUNT/backup/${2} ${1}
     remove_backups_temp_directory
 }
 
 
 function restore_directory_from_friend_duplicity {
     create_backups_temp_directory
-    echo "$BACKUP_DUMMY_PASSWORD" | duplicity restore --tempdir $BACKUP_TEMP_DIRECTORY --force file://$SERVER_DIRECTORY/backup/${2} ${1}
+    echo "$BACKUP_DUMMY_PASSWORD" | duplicity restore --gpg-options "$BACKUPS_GPG_OPTIONS" --tempdir $BACKUP_TEMP_DIRECTORY --force file://$SERVER_DIRECTORY/backup/${2} ${1}
     remove_backups_temp_directory
 }
 
 
 function backup_directory_to_friend_duplicity {
     create_backups_temp_directory
-    echo "$BACKUP_DUMMY_PASSWORD" | duplicity full --tempdir $BACKUP_TEMP_DIRECTORY --ssh-askpass --encrypt-key ${ADMIN_BACKUP_KEY_ID} --full-if-older-than 4W --exclude-other-filesystems ${1} $SERVER_DIRECTORY/backup/${2}
+    echo "$BACKUP_DUMMY_PASSWORD" | duplicity full --gpg-options "$BACKUPS_GPG_OPTIONS" --tempdir $BACKUP_TEMP_DIRECTORY --ssh-askpass --encrypt-key ${ADMIN_BACKUP_KEY_ID} --full-if-older-than 4W --exclude-other-filesystems ${1} $SERVER_DIRECTORY/backup/${2}
     if [ ! "$?" = "0" ]; then
         if [[ ${1} == "/root/temp"* || ${1} == *"tempbackup" ]]; then
             shred -zu ${1}/*
         exit 5293526
     fi
     if [[ $ENABLE_BACKUP_VERIFICATION == "yes" ]]; then
-        echo "$BACKUP_DUMMY_PASSWORD" | duplicity verify --tempdir $BACKUP_TEMP_DIRECTORY --ssh-askpass --encrypt-key ${ADMIN_BACKUP_KEY_ID} --full-if-older-than 4W --exclude-other-filesystems ${1} $SERVER_DIRECTORY/backup/${2}
+        echo "$BACKUP_DUMMY_PASSWORD" | duplicity verify --gpg-options "$BACKUPS_GPG_OPTIONS" --tempdir $BACKUP_TEMP_DIRECTORY --ssh-askpass --encrypt-key ${ADMIN_BACKUP_KEY_ID} --full-if-older-than 4W --exclude-other-filesystems ${1} $SERVER_DIRECTORY/backup/${2}
         if [ ! "$?" = "0" ]; then
             if [[ ${1} == "/root/temp"* || ${1} == *"tempbackup" ]]; then
                 shred -zu ${1}/*