Appending a file whose name is prefixed with './' is removed when archived

[sseixas]

This happens in core.js on line 191. The following instruction is executed in the _normalizeDataEntry function: data.name = util.sanitizePath(data.name);

I observed this when calling the archiver.append function. The caller should have the option to sanitize the file name before the call to avoid over sanitation as in this case.

Why does it matter you ask, well I'm writing a gulp task that packages a Heroku slug for deployment. The slug is nothing but a tar archive. However, Heroku specifies that the files in the archive must have the './' prefix. I tested it with and without and as their documentation states, only with the prefix can I get the slug to deploy successfully.

https://devcenter.heroku.com/articles/platform-api-deploying-slugs#create-slug-archive

I have already fixed this locally with a flag to prevent sanitation and will issue a pull request shortly.

[ctalkington]

v0.20.0 should be less restrictive and allow ./