github: add basic CI

Signed-off-by: Nicolas Morey <[email protected]>

Author: nmorey

.github/workflows/gem-push.yml

@@ -0,0 +1,63 @@
+name: Ruby Gem
+
+on:
+  push:
+    branches:
+      - "*"
+    tags:
+      - v*
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      matrix:
+        ruby-version: ['3.2', '3.0', '2.7', '2.6', '2.5']
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-tags: 1
+        fetch-depth: 0
+    - name: Set up Ruby ${{ matrix.ruby-version }}
+      uses: ruby/setup-ruby@ec02537da5712d66d4d50a0f33b7eb52773b5ed1
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+    - run: bundle install
+    - name: Build gem
+      run: |
+        gem build damage.gemspec
+
+  publish:
+    name: Publish
+    runs-on: ubuntu-22.04
+    needs: build
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-tags: 1
+        fetch-depth: 0
+    - name: Set up Ruby 3.0
+      uses: ruby/setup-ruby@ec02537da5712d66d4d50a0f33b7eb52773b5ed1
+      with:
+        ruby-version: '3.0'
+    - run: bundle install
+    # - name: Publish to RubyGems
+    #   if: contains(github.ref, 'refs/tags/v')
+    #   run: |
+    #     mkdir -p $HOME/.gem
+    #     touch $HOME/.gem/credentials
+    #     chmod 0600 $HOME/.gem/credentials
+    #     printf -- "---\n:rubygems_api_key: ${GEM_HOST_API_KEY}\n" > $HOME/.gem/credentials
+    #     gem build damage.gemspec
+    #     gem push *.gem
+    #   env:
+    #     GEM_HOST_API_KEY: "${{secrets.RUBYGEMS_AUTH_TOKEN}}"