From fca595074832780bec8e6704507ca05b621e6b8d Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Wed, 21 Aug 2019 10:19:46 +0200
Subject: [PATCH] Remove `brew cask automerge`.

---
 Library/Homebrew/cask/cmd.rb           |   1 -
 Library/Homebrew/cask/cmd/automerge.rb | 126 -------------------------
 2 files changed, 127 deletions(-)
 delete mode 100755 Library/Homebrew/cask/cmd/automerge.rb

diff --git a/Library/Homebrew/cask/cmd.rb b/Library/Homebrew/cask/cmd.rb
index d69687900f..6d43a05a8a 100644
--- a/Library/Homebrew/cask/cmd.rb
+++ b/Library/Homebrew/cask/cmd.rb
@@ -12,7 +12,6 @@ require "cask/cmd/options"
 require "cask/cmd/abstract_command"
 require "cask/cmd/--cache"
 require "cask/cmd/audit"
-require "cask/cmd/automerge"
 require "cask/cmd/cat"
 require "cask/cmd/create"
 require "cask/cmd/doctor"
diff --git a/Library/Homebrew/cask/cmd/automerge.rb b/Library/Homebrew/cask/cmd/automerge.rb
deleted file mode 100755
index 96f025fbbe..0000000000
--- a/Library/Homebrew/cask/cmd/automerge.rb
+++ /dev/null
@@ -1,126 +0,0 @@
-# frozen_string_literal: true
-
-require "cask/cmd/abstract_internal_command"
-require "tap"
-require "utils/formatter"
-require "utils/github"
-
-module Cask
-  class Cmd
-    class Automerge < AbstractInternalCommand
-      OFFICIAL_CASK_TAPS = [
-        "homebrew/cask",
-        "homebrew/cask-drivers",
-        "homebrew/cask-fonts",
-        "homebrew/cask-versions",
-      ].freeze
-
-      def run
-        taps = OFFICIAL_CASK_TAPS.map(&Tap.public_method(:fetch))
-
-        access = taps.all? { |tap| GitHub.write_access?(tap.full_name) }
-        raise "This command may only be run by Homebrew maintainers." unless access
-
-        Homebrew.install_gem! "git_diff"
-        require "git_diff"
-
-        failed = []
-
-        taps.each do |tap|
-          open_pull_requests = GitHub.pull_requests(tap.full_name, state: :open, base: "master")
-
-          open_pull_requests.each do |pr|
-            next unless passed_ci(pr)
-            next unless check_diff(pr)
-
-            number = pr["number"]
-            sha = pr.dig("head", "sha")
-
-            print "#{Formatter.url(pr["html_url"])} "
-
-            retried = false
-
-            begin
-              GitHub.merge_pull_request(
-                tap.full_name,
-                number: number, sha: sha,
-                merge_method: :squash,
-                commit_message: "Squashed and auto-merged via `brew cask automerge`."
-              )
-              puts "#{Tty.bold}#{Formatter.success("✔")}#{Tty.reset}"
-            rescue
-              unless retried
-                retried = true
-                sleep 5
-                retry
-              end
-
-              puts "#{Tty.bold}#{Formatter.error("✘")}#{Tty.reset}"
-              failed << pr["html_url"]
-            end
-          end
-        end
-
-        return if failed.empty?
-
-        $stderr.puts
-        raise CaskError, "Failed to merge the following PRs:\n#{failed.join("\n")}"
-      end
-
-      def passed_ci(pr)
-        statuses = GitHub.open_api(pr["statuses_url"])
-
-        latest_pr_status = statuses.select { |status| status["context"] == "continuous-integration/travis-ci/pr" }
-                                   .max_by { |status| Time.parse(status["updated_at"]) }
-
-        latest_pr_status&.fetch("state") == "success"
-      end
-
-      def check_diff(pr)
-        diff_url = pr["diff_url"]
-
-        output, _, status = curl_output("--location", diff_url)
-
-        return false unless status.success?
-
-        diff = GitDiff.from_string(output)
-
-        diff_is_single_cask(diff) && diff_only_version_or_checksum_changed(diff)
-      end
-
-      def diff_is_single_cask(diff)
-        return false unless diff.files.count == 1
-
-        file = diff.files.first
-        return false unless file.a_path == file.b_path
-
-        file.a_path.match?(%r{\ACasks/[^/]+\.rb\Z})
-      end
-
-      def diff_only_version_or_checksum_changed(diff)
-        lines = diff.files.flat_map(&:hunks).flat_map(&:lines)
-
-        additions = lines.select(&:addition?)
-        deletions = lines.select(&:deletion?)
-        changed_lines = deletions + additions
-
-        return false if additions.count != deletions.count
-        return false if additions.count > 2
-
-        changed_lines.all? { |line| diff_line_is_version(line.to_s) || diff_line_is_sha256(line.to_s) }
-      end
-
-      def diff_line_is_sha256(line)
-        line.match?(/\A[+-]\s*sha256 '[0-9a-f]{64}'\Z/)
-      end
-
-      def diff_line_is_version(line)
-        line.match?(/\A[+-]\s*version '[^']+'\Z/)
-      end
-
-      def self.help
-        "automatically merge “simple” Cask pull requests"
-      end
-    end
-  end
-end