From 7d138f2ccea513adf45c9e366752e102f462ea9a Mon Sep 17 00:00:00 2001
From: "Daniel (dB.) Doubrovkine" <dblock@dblock.org>
Date: Tue, 30 Dec 2025 14:21:49 -0500
Subject: [PATCH] Migrate Danger to use danger-pr-comment workflow.
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- Migrated from custom Danger setup to danger-pr-comment workflow framework
- Replaced manual Danger workflow with reusable workflows from numbata/danger-pr-comment
- Added .github/workflows/danger.yml using danger-pr-comment reusable workflow
- Added .github/workflows/danger-comment.yml for posting PR comments
- Updated Gemfile to include danger, danger-pr-comment, danger-changelog, and danger-toc
- Updated Dangerfile to import danger-pr-comment and added changelog.check! and toc.check!

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
---
 .github/workflows/danger-comment.yml | 11 +++++++++++
 .github/workflows/danger.yml         | 28 ++++++++++------------------
 CHANGELOG.md                         |  1 +
 Dangerfile                           |  5 ++++-
 Gemfile                              |  5 ++++-
 5 files changed, 30 insertions(+), 20 deletions(-)
 create mode 100644 .github/workflows/danger-comment.yml

diff --git a/.github/workflows/danger-comment.yml b/.github/workflows/danger-comment.yml
new file mode 100644
index 000000000..8e15cb6c1
--- /dev/null
+++ b/.github/workflows/danger-comment.yml
@@ -0,0 +1,11 @@
+name: Danger Comment
+
+on:
+  workflow_run:
+    workflows: [Danger]
+    types: [completed]
+
+jobs:
+  comment:
+    uses: numbata/danger-pr-comment/.github/workflows/danger-comment.yml@v0.1.0
+    secrets: inherit
diff --git a/.github/workflows/danger.yml b/.github/workflows/danger.yml
index 12372470c..bd89a888d 100644
--- a/.github/workflows/danger.yml
+++ b/.github/workflows/danger.yml
@@ -1,21 +1,13 @@
----
-name: danger
-on: pull_request
+name: Danger
+
+on:
+  pull_request:
+    types: [opened, reopened, edited, synchronize]
 
 jobs:
   danger:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 100    
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: 3.4
-        bundler-cache: true
-    - name: Run Danger
-      run: |
-        # the token is public, has public_repo scope and belongs to the grape-bot user owned by @dblock, this is ok
-        TOKEN=$(echo -n Z2hwX2lYb0dPNXNyejYzOFJyaTV3QUxUdkNiS1dtblFwZTFuRXpmMwo= | base64 --decode)
-        DANGER_GITHUB_API_TOKEN=$TOKEN bundle exec danger --verbose
+    uses: numbata/danger-pr-comment/.github/workflows/danger-run.yml@v0.1.0
+    secrets: inherit
+    with:
+      ruby-version: '3.4'
+      bundler-cache: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce0b0f357..3a9ef9f6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@
 * [#2648](https://github.com/ruby-grape/grape/pull/2648): Remove deprecated ParamsBuilders extensions - [@ericproulx](https://github.com/ericproulx).
 * [#2645](https://github.com/ruby-grape/grape/pull/2645): Endpoints are compiled when API is compiled - [@ericproulx](https://github.com/ericproulx).
 * [#2647](https://github.com/ruby-grape/grape/pull/2647): Explicit kwargs for `namespace` and `route_param` - [@ericproulx](https://github.com/ericproulx).
+* [#2651](https://github.com/ruby-grape/grape/pull/2651): Migrate Danger to use danger-pr-comment workflow - [@dblock](https://github.com/dblock).
 * Your contribution here.
 
 #### Fixes
diff --git a/Dangerfile b/Dangerfile
index 82881902a..b4bc36697 100644
--- a/Dangerfile
+++ b/Dangerfile
@@ -1,3 +1,6 @@
 # frozen_string_literal: true
 
-danger.import_dangerfile(gem: 'ruby-grape-danger')
+danger.import_dangerfile(gem: 'danger-pr-comment')
+
+changelog.check!
+toc.check!
diff --git a/Gemfile b/Gemfile
index 499ba56eb..d7e491d15 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,10 +23,13 @@ group :development do
 end
 
 group :test do
+  gem 'danger', require: false
+  gem 'danger-changelog', require: false
+  gem 'danger-pr-comment', require: false
+  gem 'danger-toc', require: false
   gem 'rack-contrib', require: false
   gem 'rack-test', '~> 2.1'
   gem 'rspec', '~> 3.13'
-  gem 'ruby-grape-danger', '~> 0.2', require: false
   gem 'simplecov', '~> 0.21', require: false
   gem 'simplecov-lcov', '~> 0.8', require: false
   gem 'test-prof', require: false