`--github` flag seems to no longer work

[azrosen92]

Describe the bug When running restful-react import --github "username:repo:branch:path/to/openapi.yaml", the CLI always errors out with (node:77636) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'text' of null. This used to work, and nothing has changed about my configuration, so I'm wondering if there's been a change to the Github API which has broken this feature?

I printed out the response body in the restful-react script and it's returning

{
  "data": {
    "repository": {
      "object": null
    }
  }
}

It appears to be failing at this line, which tries to access to text from the returned file – https://github.com/contiamo/restful-react/blob/master/src/bin/restful-react-import.ts#L212.

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Desktop (please complete the following information):

• OS: MacOS 10.15.17
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

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[fabien0102]

Hello, can you make sure that your github token is up-to-date with the correct permission? (this is usually the case for this kind of error)

Anyway, I need to improve the error feedback for permission issues

(Note: I did try, this is working for me, we are using the github integration almost everyday, this is why I'm suspecting some bad configuration somewhere)

[azrosen92]

Thank you! I think I found the permissions issue – I updated the README to fix it here https://github.com/contiamo/restful-react/pull/358