ProbotKit

A collection of high-level tools to build Github bots using Probot.

• downloadCode
  downloads the given SHA and extracts it into a tmp directory

• downloadPullrequestPatch
  downloads the patch for the given pull request

• findPatchLine
  Takes a line number in a file and a patch downloaded by the downloadPatch function. Returns the line number that Github expects for comments on this patch according to https://developer.github.com/v3/pulls/comments/#create-a-comment. Returns undefined if the patch doesn't contain the given line number.