Merge pull request #201 from capistrano/capistrano-danger

Use shared capistrano/danger Dangerfile

Dangerfile

@@ -1,43 +1 @@
-# Adapted from https://github.com/ruby-grape/danger/blob/master/Dangerfile
-# Q: What is a Dangerfile, anyway? A: See http://danger.systems/
-
-# ------------------------------------------------------------------------------
-# Additional pull request data
-# ------------------------------------------------------------------------------
-project_name = github.pr_json["base"]["repo"]["name"]
-pr_number = github.pr_json["number"]
-pr_url = github.pr_json["_links"]["html"]["href"]
-
-# ------------------------------------------------------------------------------
-# What changed?
-# ------------------------------------------------------------------------------
-has_lib_changes = !git.modified_files.grep(/^lib/).empty?
-has_changelog_changes = git.modified_files.include?("CHANGELOG.md")
-
-# ------------------------------------------------------------------------------
-# Have you updated CHANGELOG.md?
-# ------------------------------------------------------------------------------
-if !has_changelog_changes && has_lib_changes
-  markdown <<-MARKDOWN
-Here's an example of a CHANGELOG.md entry (place it immediately under the `* Your contribution here!` line):
-
-```markdown
-* [##{pr_number}](#{pr_url}): #{github.pr_title} - [@#{github.pr_author}](https://github.com/#{github.pr_author}).
-```
-MARKDOWN
-  warn("Please update CHANGELOG.md with a description of your changes. "\
-       "If this PR is not a user-facing change (e.g. just refactoring), "\
-       "you can disregard this.", :sticky => false)
-end
-
-# ------------------------------------------------------------------------------
-# Did you remove the CHANGELOG's "Your contribution here!" line?
-# ------------------------------------------------------------------------------
-if has_changelog_changes
-  unless IO.read("CHANGELOG.md") =~ /^\* Your contribution here/i
-    fail(
-      "Please put the `* Your contribution here!` line back into CHANGELOG.md.",
-      :sticky => false
-    )
-  end
-end
+danger.import_dangerfile(github: "capistrano/danger")