[Tooling] Setup Dangermattic (#113)

* Setup Ruby

* Setup Danger

* Add Danger action to trigger Danger on Buildkite

* Update CHANGELOG

* Add review request events as Danger triggers

* Replace Unicode emojis

* Apply suggestions from code review

Co-authored-by: Gio Lodi <[email protected]>

* Revert "Replace Unicode emojis"

This reverts commit 8a3b874.

---------

Co-authored-by: Gio Lodi <[email protected]>

.buildkite/pipeline.yml

@@ -15,6 +15,16 @@ steps:
     agents:
       queue: default
 
+  - label: "☢️ Danger - PR Check"
+    command: danger
+    key: danger
+    if: build.pull_request.id != null
+    retry:
+      manual:
+        permit_on_passed: true
+    agents:
+      queue: linter
+
   - group: ":swift: install_swiftpm_dependencies Tests"
     steps:
       - label: ":swift: Standalone Swift Package - Autodetect"

.bundle/config

@@ -0,0 +1,4 @@
+---
+BUNDLE_PATH: "vendor/bundle"
+BUNDLE_JOBS: "16"
+BUNDLE_SPECIFIC_PLATFORM: "false"

.github/workflows/run-danger.yml

@@ -0,0 +1,17 @@
+name: ☢️ Trigger Danger On Buildkite
+
+on:
+  pull_request:
+    types: [labeled, unlabeled, ready_for_review, review_requested, review_request_removed]
+
+jobs:
+  dangermattic:
+    if: ${{ (github.event.pull_request.draft == false) }}
+    uses: Automattic/dangermattic/.github/workflows/[email protected]
+    with:
+      org-slug: automattic
+      pipeline-slug: ci-toolkit-buildkite-plugin
+      retry-step-key: danger
+      build-commit-sha: ${{ github.event.pull_request.head.sha }}
+    secrets:
+      buildkite-api-token: ${{ secrets.TRIGGER_BK_BUILD_TOKEN }}

.gitignore

@@ -1,3 +1,8 @@
 
 .DS_Store
+
+# IntelliJ
 .idea/
+
+# Bundler
+vendor/

CHANGELOG.md

@@ -46,7 +46,7 @@ _None._
 
 ### Internal Changes
 
-_None._
+- Tooling change: Dangermattic setup [#113]
 
 ## 3.6.0
 

Dangerfile

@@ -0,0 +1,19 @@
+# Check that the PR contains changes to the CHANGELOG.md file.
+unless git.modified_files.include?('CHANGELOG.md')
+  warn('Please add an entry in the `CHANGELOG.md` file to describe the changes made by this PR')
+end
+
+pr_size_checker.check_diff_size(max_size: 500)
+
+# skip remaining checks if the PR is still a Draft
+if github.pr_draft?
+  message('This PR is still a Draft: some checks will be skipped.')
+  return
+end
+
+labels_checker.check(
+  do_not_merge_labels: ['do not merge'],
+  required_labels: []
+)
+
+warn("This PR has no reviewers. Please request a review from **@\u2060Automattic/apps-infrastructure**.") unless github_utils.requested_reviewers?

Gemfile

@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem 'danger-dangermattic', '~> 1.1'

Gemfile.lock

@@ -0,0 +1,99 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    ast (2.4.2)
+    claide (1.1.0)
+    claide-plugins (0.9.2)
+      cork
+      nap
+      open4 (~> 1.3)
+    colored2 (3.1.2)
+    cork (0.3.0)
+      colored2 (~> 3.1)
+    danger (9.5.0)
+      claide (~> 1.0)
+      claide-plugins (>= 0.9.2)
+      colored2 (~> 3.1)
+      cork (~> 0.1)
+      faraday (>= 0.9.0, < 3.0)
+      faraday-http-cache (~> 2.0)
+      git (~> 1.13)
+      kramdown (~> 2.3)
+      kramdown-parser-gfm (~> 1.0)
+      octokit (>= 4.0)
+      terminal-table (>= 1, < 4)
+    danger-dangermattic (1.1.2)
+      danger (~> 9.4)
+      danger-plugin-api (~> 1.0)
+      danger-rubocop (~> 0.13)
+      rubocop (~> 1.63)
+    danger-plugin-api (1.0.0)
+      danger (> 2.0)
+    danger-rubocop (0.13.0)
+      danger
+      rubocop (~> 1.0)
+    faraday (2.11.0)
+      faraday-net_http (>= 2.0, < 3.4)
+      logger
+    faraday-http-cache (2.5.1)
+      faraday (>= 0.8)
+    faraday-net_http (3.3.0)
+      net-http
+    git (1.19.1)
+      addressable (~> 2.8)
+      rchardet (~> 1.8)
+    json (2.7.2)
+    kramdown (2.4.0)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
+    language_server-protocol (3.17.0.3)
+    logger (1.6.1)
+    nap (1.1.0)
+    net-http (0.4.1)
+      uri
+    octokit (9.1.0)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
+    open4 (1.3.4)
+    parallel (1.26.3)
+    parser (3.3.5.0)
+      ast (~> 2.4.1)
+      racc
+    public_suffix (6.0.1)
+    racc (1.8.1)
+    rainbow (3.1.1)
+    rchardet (1.8.0)
+    regexp_parser (2.9.2)
+    rexml (3.3.7)
+    rubocop (1.66.1)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.32.3)
+      parser (>= 3.3.1.0)
+    ruby-progressbar (1.13.0)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
+    unicode-display_width (2.5.0)
+    uri (0.13.1)
+
+PLATFORMS
+  arm64-darwin-23
+
+DEPENDENCIES
+  danger-dangermattic (~> 1.1)
+
+BUNDLED WITH
+   2.4.22