Dangerfile

# We generally try to avoid big PRs
warn("Big PR") if git.lines_of_code > 500

# Show a warning for PRs that are Work In Progress
if (github.pr_body + github.pr_title).include?("WIP")
  warn("Pull Request is Work in Progress")
end

# Contributors should always provide a changelog when submitting a PR
if github.pr_body.length < 5
  warn("Please provide a changelog summary in the Pull Request description @#{github.pr_author}")
end

if git.modified_files.include?("snapshot/lib/assets/SnapshotHelper.swift")
  warn("You modified `SnapshotHelper.swift`, make sure to update the version number at the bottom of the file to notify users about the new helper file.")
end

if git.modified_files.include?("snapshot/lib/assets/SnapshotHelperXcode8.swift")
  warn("You modified `SnapshotHelperXcode8.swift`, make sure to update the version number at the bottom of the file to notify users about the new helper file.")
end

# To avoid "PR & Runs" for which tests don't pass, we want to make spec errors more visible
# The code below will run on Circle, parses the results in JSON and posts them to the PR as comment
containing_dir = ENV["CIRCLE_TEST_REPORTS"] || "." # for local testing
file_path = File.join(containing_dir, "rspec", "fastlane-junit-results.xml")

if File.exist?(file_path)
  junit.parse(file_path)
  junit.headers = [:name, :file]
  junit.report
else
  puts("Couldn't find any test artifacts in path #{file_path}")
end

# PRs being made on a branch from a different owner should warn to allow maintainers access to modify
head_owner = github.pr_json["head"]["repo"]["owner"]["login"]
base_owner = github.pr_json["base"]["repo"]["owner"]["login"]
if !github.pr_json["maintainer_can_modify"] && head_owner != base_owner
  warn("If you would allow the maintainers access to make changes to your branch that would be 💯 " \
    "This allows maintainers to help move pull requests through quicker if there are any changes that they can help with 😊 " \
    "See more info at https://help.github.com/en/articles/allowing-changes-to-a-pull-request-branch-created-from-a-fork")
end