Ability to change retry() params from the task?

Hello,

I would like to know if it’d be possible to be able to update the times argument of the retry() from the task? For instance, I would like to be able to increase the interval value as the attempt count increases or trim down the attempt count to 0 when a particular error occurred (in order to avoid unnecessary doomed attempts).

Example:

var opts = {
    times: 3,
    interval: 500
};

async.retry(opts, function (callback) {
    someCall(function(err) {
        if (err) {
            switch (err.code) {
                case 'Code1':
                    opts.interval += 500; // Increases the interval for next attempt
                    return callback(err);
                case 'Code2':
                    opts.times = 0; // Avoid other attempts
                    return callback(err);
                default:
                    return callback(err);
            }
        }

        callback();
    });
}, function (err) {
    // Some code
});

Any idea or workaround?

Thanks,

[aearly]

I think the behavior added in #1161 should be good enough for now.

[aearly]

Hmmn, perhaps we could make the retry opts more polymorphic – if you pass an array for the interval, it uses those numbers for each delay interval in sequence.