Migrate CI from Travis to GitHub Actions (#62)

* Use GitHub Actions as CI

* Remove Travis CI usage

* Ignore bundle directory

* Replace Travis CI badge with GitHub Actions

* Run test with Ruby 2.7 only

.github/workflows/danger.yml

@@ -0,0 +1,23 @@
+name: Danger
+on:
+  pull_request:
+    types: [ opened, reopened, edited, synchronize ]
+jobs:
+  danger:
+    name: Danger
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+          bundler-cache: true
+      - name: Run Danger
+        run: |
+          # the personal token is public, this is ok, base64 encode to avoid tripping Github
+          TOKEN=$(echo -n Z2hwX0xNQ3VmanBFeTBvYkZVTWh6NVNqVFFBOEUxU25abzBqRUVuaAo= | base64 --decode)
+          DANGER_GITHUB_API_TOKEN=$TOKEN bundle exec danger --verbose

.github/workflows/lint.yml

@@ -0,0 +1,16 @@
+name: Lint
+on: [ push, pull_request ]
+jobs:
+  rubocop:
+    name: RuboCop
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+          bundler-cache: true
+      - name: RuboCop
+        run: bundle exec rubocop

.github/workflows/test.yml

@@ -0,0 +1,20 @@
+name: Test
+on: [ push, pull_request ]
+jobs:
+  test:
+    name: Test (Ruby ${{ matrix.ruby-version }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version: [ '2.7' ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true
+      - name: Run test
+        run: bundle exec rake spec

.gitignore

@@ -3,3 +3,4 @@ pkg
 .idea/
 Gemfile.lock
 .yardoc
+vendor/bundle

CONTRIBUTING.md

@@ -114,7 +114,7 @@ git push origin my-feature-branch -f
 
 ### Check on Your Pull Request
 
-Go back to your pull request after a few minutes and see whether it passed muster with Travis-CI. Everything should look green, otherwise fix issues and amend your commit as described above.
+Go back to your pull request after a few minutes and see whether it passed muster with GitHub Actions. Everything should look green, otherwise fix issues and amend your commit as described above.
 
 ### Be Patient
 

README.md

@@ -4,7 +4,7 @@ A plugin for [danger.systems](http://danger.systems) that obsessive-compulsively
 It can make sure, for example, that changes are attributed properly, have a valid version number, a date in the ISO8601 format, balanced parenthesis and brackets, and that they’re always terminated with a period.
 
 [![Gem Version](https://badge.fury.io/rb/danger-changelog.svg)](https://badge.fury.io/rb/danger-changelog)
-[![Build Status](https://travis-ci.org/dblock/danger-changelog.svg?branch=master)](https://travis-ci.org/dblock/danger-changelog)
+[![Build Status](https://github.com/dblock/danger-changelog/actions/workflows/test.yml/badge.svg?branch=master&event=push)](https://github.com/dblock/danger-changelog/actions/workflows/test.yml)
 
 # Table of Contents
 

RELEASING.md

@@ -11,7 +11,7 @@ bundle install
 rake
 ```
 
-Check that the last build succeeded in [Travis CI](https://travis-ci.org/dblock/danger-changelog) for all supported platforms.
+Check that the last build succeeded in [GitHub Actions](https://github.com/dblock/danger-changelog/actions) for all supported platforms.
 
 Increment the version, modify [lib/changelog/gem_version.rb](lib/changelog/gem_version.rb).