Migrate from Travis CI to GitHub Actions

.github/workflows/build.yml

@@ -0,0 +1,21 @@
+name: build
+
+on:
+  push:
+    branches: [ $default-branch ]
+  pull_request:
+    branches: [ $default-branch ]
+
+jobs:
+  test:
+    name: Build and test
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+    - name: Install dependencies
+      run: bundle install
+    - name: Run tests
+      run: bundle exec jekyll build

.github/workflows/github-pages.yml

@@ -0,0 +1,19 @@
+name: github-pages
+
+on:
+  push:
+    branches: [ $default-branch ]
+  pull_request:
+    branches: [ $default-branch ]
+
+jobs:
+  github-pages:
+    name: Build and deploy
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Deploy to GitHub Pages
+        uses:  helaili/jekyll-action@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/ruby-gem.yml

@@ -0,0 +1,40 @@
+name: ruby-gem
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    name: Build and publish
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+    - name: Install dependencies
+      run: bundle install
+
+    - name: Publish to GPR
+      run: |
+        mkdir -p $HOME/.gem
+        touch $HOME/.gem/credentials
+        chmod 0600 $HOME/.gem/credentials
+        printf -- "---\n:github: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
+        gem build *.gemspec
+        gem push --KEY github --host https://rubygems.pkg.github.com/${OWNER} *.gem
+      env:
+        GEM_HOST_API_KEY: "Bearer ${{secrets.GITHUB_TOKEN}}"
+        OWNER: ${{ github.repository_owner }}
+
+    - name: Publish to RubyGems
+      run: |
+        mkdir -p $HOME/.gem
+        touch $HOME/.gem/credentials
+        chmod 0600 $HOME/.gem/credentials
+        printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
+        gem build *.gemspec
+        gem push *.gem
+      env:
+        GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_AUTH_TOKEN}}"

README.md

@@ -1,7 +1,7 @@
 jekyll-theme-semantic2
 ======================
 
-[![Build Status](https://travis-ci.com/rcvalle/jekyll-theme-semantic2.svg?branch=master)](https://travis-ci.com/rcvalle/jekyll-theme-semantic2)
+![Build Status](https://github.com/rcvalle/jekyll-theme-semantic2/workflows/build/badge.svg)
 
 A [Semantic UI -based](https://semantic-ui.com/) Jekyll theme.