export PASSPHRASE="<%= password %>"
-# it's important to let $EXCLUDE come before $INCLUDE to
-# have greater precedence; see duplicity(1) for more info
-duplicity -v6 --full-if-older-than $FULL_IF_OLDER_THAN \
- --tempdir $TMP --encrypt-key $ENCRYPT_KEY --sign-key $SIGN_KEY \
- --exclude $TMP $EXCLUDE $INCLUDE --exclude '**' / file:///$BACKUP_FOLDER || exit 1
-
-duplicity remove-older-than $REMOVE_OLDER_THAN file:///$BACKUP_FOLDER || exit 1
+# adds support for checking the existing backup
+if [ "$1" == "--check"]; then
+ duplicity collection-status file:///$BACKUP_FOLDER
+else
+ # it's important to let $EXCLUDE come before $INCLUDE to
+ # have greater precedence; see duplicity(1) for more info
+ duplicity -v6 --full-if-older-than $FULL_IF_OLDER_THAN \
+ --tempdir $TMP --encrypt-key $ENCRYPT_KEY --sign-key $SIGN_KEY \
+ --exclude $TMP $EXCLUDE $INCLUDE --exclude '**' / file:///$BACKUP_FOLDER || exit 1
+
+ duplicity remove-older-than $REMOVE_OLDER_THAN file:///$BACKUP_FOLDER || exit 1
+fi