Use GitHub Actions

Author: yous

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.github/workflows/ci.yml

@@ -0,0 +1,56 @@
+name: CI
+on: [push, pull_request]
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
+        with:
+          python-version: "3.13"
+      - name: Install dependencies
+        run: |
+          python -m pip install -U pip setuptools
+          pip install vim-vint
+      - run: vint colors/
+
+  build:
+    needs: lint
+    runs-on: ubuntu-latest
+    env:
+      TERM: xterm-256color
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - run: sudo apt-get install -y --no-install-recommends vim-gtk3
+      - run: echo "::set-output name=vim-version::$(xvfb-run -a gvim -f --version)\n"
+      - name: Generate previews
+        run: |
+          mkdir -p dist
+          xvfb-run -a ci/generate.sh dark_gui
+          xvfb-run -a ci/generate.sh light_gui
+          xvfb-run -a ci/generate.sh dark_256
+          xvfb-run -a ci/generate.sh light_256
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3.0.1
+        with:
+          path: dist/
+
+  deploy:
+    needs: build
+    if: github.ref == 'refs/heads/master'
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4.0.5