build: Add basic Hydrun CI config

.github/workflows/hydrun.yaml

@@ -0,0 +1,75 @@
+name: hydrun CI
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * 0"
+
+jobs:
+  build-linux:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        target:
+          - id: stfs
+            src: .
+            os: ghcr.io/pojntfx/bagccgop-base-sid
+            flags: -e '--privileged'
+            cmd: ./Hydrunfile
+            dst: out/*
+
+    steps:
+      - name: Maximize build space
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /usr/local/lib/android
+          sudo rm -rf /opt/ghc
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Set up hydrun
+        run: |
+          curl -L -o /tmp/hydrun "https://github.com/pojntfx/hydrun/releases/latest/download/hydrun.linux-$(uname -m)"
+          sudo install /tmp/hydrun /usr/local/bin
+      - name: Build with hydrun
+        working-directory: ${{ matrix.target.src }}
+        run: hydrun -o ${{ matrix.target.os }} ${{ matrix.target.flags }} "${{ matrix.target.cmd }}"
+      - name: Fix permissions for output
+        run: sudo chown -R $USER .
+      - name: Upload output
+        uses: actions/upload-artifact@v2
+        with:
+          name: ${{ matrix.target.id }}
+          path: ${{ matrix.target.dst }}
+  publish-linux:
+    runs-on: ubuntu-latest
+    needs: build-linux
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Download output
+        uses: actions/download-artifact@v2
+        with:
+          path: /tmp/out
+      - name: Publish pre-release to GitHub releases
+        if: ${{ github.ref == 'refs/heads/main' }}
+        uses: marvinpinto/action-automatic-releases@latest
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          automatic_release_tag: unstable
+          prerelease: true
+          files: |
+            /tmp/out/*/*
+      - name: Publish release to GitHub releases
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: marvinpinto/action-automatic-releases@latest
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          prerelease: false
+          files: |
+            /tmp/out/*/*