Duplicate default option error

ts678 · August 4, 2019, 11:06pm

Ignore file like .gitignore is one of the longer feature request discussions, and links to several other ones. Because there’s a very large backlog, with work limited by volunteer resources, let’s look for alternatives.

The need for multiple –exclude options can be avoided by letting regular expressions get the alternatives.
Inside parentheses, vertical bars represent “alternation”, so -[\.(gif|jpg|png)$] might exclude those images.

Filters discusses what you’re trying to do. The square braces indicate regular expression. “-” is --exclude.
The plus and minus are (I think) mainly applicable to cases that put all filters on a single line, for example:

github.com

duplicati/duplicati/blob/4e1f94bd3479ec10ef812f005266c70d3c6da37b/Duplicati/Library/Modules/Builtin/run-script-example.sh#L69-L83


      
          # Filters are supplied in the DUPLICAT__FILTER variable.
          # The variable contains all filters supplied with --include and --exclude,
          # combined into a single string, separated with colon (:).
          # Filters set with --include will be prefixed with a plus (+),
          # and filters set with --exclude will be prefixed with a minus (-).
          #
          # Example:
          #     --include=*.txt --exclude=[.*\.abc] --include=*
          # 
          # Will be encoded as:
          #     DUPLICATI__FILTER=+*.txt:-[.*\.abc]:+*
          #
          # You can set the filters by writing --filter=<new filter> to stdout.
          # You may want to append to the existing filter like this:
          #     echo "--filter=+*.123:%DUPLICATI__FILTER%:-*.xyz"

or –parameters-file

You cannot specify filters in both the file and on the commandline. Instead, you can use the special --replace-filter , --append-filter , or --prepend-filter options to specify filters inside the parameter file. Each filter must be prefixed with either a + or a - , and multiple filters must be joined with ; .

http://regexstorm.net/tester is one place to test regular expressions for .NET (other flavors are similar).

You can maybe set up Settings with a –run-script-before or –parameters-file to filter in all your backups.

Another option, depending on how you create jobs, is to have a template backup job that you import and customize. Standard things might include your destination setup, authentication, password, AND filters.

Beyond the regular expression alternation idea, I’m not sure how much of this is tested to see if it works.

I suspect the following code is what complains, but my JavaScript isn’t good enough to suggest change:

github.com

duplicati/duplicati/blob/4e1f94bd3479ec10ef812f005266c70d3c6da37b/Duplicati/Server/webroot/ngax/scripts/services/AppUtils.js#L298-L307


      
          this.parse_extra_options = function(str, dict) {
              return this.parseOptionStrings(str, dict, function(d, k, v) {
                  if (d['--' + k] !== undefined) {
                      DialogService.dialog(gettextCatalog.getString('Error'), gettextCatalog.getString('Duplicate option {{opt}}', { opt: k }));
                      return false;
                  }
          
                  return true;
              }) != null;
          };

You could possibly file an issue about the error, but issues are backlogged as well, so it may take awhile. Personally, I’m also not sure why Settings doesn’t have --exclude and --include on the dropdown, but my attempt to look through the JavaScript seemed to show that they’re done differently from regular options.