Added /var/cache/backupninja/duplicity to default excludes.

... for rdiff.helper, dup.helper, example.dup and example.rdiff.

examples/example.dup

@@ -135,6 +135,7 @@ include = /var/lib/dpkg/status-old
 
 # files to exclude from the backup
 exclude = /home/*/.gnupg
+exclude = /var/cache/backupninja/duplicity
 
 ######################################################
 ## destination section

examples/example.rdiff

@@ -122,6 +122,7 @@ include = /var/lib/dpkg/status-old
 
 ## files to exclude from the backup
 exclude = /home/*/.gnupg
+exclude = /var/cache/backupninja/duplicity
 
 ######################################################
 ## destination section

handlers/dup.helper.in

@@ -552,7 +552,7 @@ dup_wizard() {
    # Global variables whose '*' shall not be expanded
    set -o noglob
    dup_default_includes="/var/spool/cron/crontabs /var/backups /etc /root /home /usr/local/*bin /var/lib/dpkg/status*"
-   dup_default_excludes="/home/*/.gnupg /home/*/.local/share/Trash /home/*/.Trash /home/*/.thumbnails /home/*/.beagle /home/*/.aMule /home/*/gtk-gnutella-downloads"
+   dup_default_excludes="/home/*/.gnupg /home/*/.local/share/Trash /home/*/.Trash /home/*/.thumbnails /home/*/.beagle /home/*/.aMule /home/*/gtk-gnutella-downloads /var/cache/backupninja/duplicity"
    set +o noglob
 
    dup_main_menu

handlers/rdiff.helper.in

@@ -415,7 +415,7 @@ rdiff_wizard() {
    # Global variables whose '*' shall not be expanded
    set -o noglob
    rdiff_includes=(/var/spool/cron/crontabs /var/backups /etc /root /home /usr/local/*bin /var/lib/dpkg/status*)
-   rdiff_excludes=(/home/*/.gnupg /home/*/.local/share/Trash /home/*/.Trash /home/*/.thumbnails /home/*/.beagle /home/*/.aMule /home/*/gtk-gnutella-downloads)
+   rdiff_excludes=(/home/*/.gnupg /home/*/.local/share/Trash /home/*/.Trash /home/*/.thumbnails /home/*/.beagle /home/*/.aMule /home/*/gtk-gnutella-downloads /var/cache/backupninja/duplicity)
    rdiff_vsincludes=
    set +o noglob