Add .gitea/workflows/reskin.yaml

.gitea/workflows/reskin.yaml

@@ -0,0 +1,55 @@
+name: anubis-reskin
+on:
+  schedule: [{ cron: '17 6 * * *' }]
+  workflow_dispatch:
+
+env:
+  UPSTREAM: TecharoHQ/anubis
+  IMAGE: git.kernel.rip/sesh/anubis
+  REGISTRY: git.kernel.rip
+
+jobs:
+  reskin:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Latest upstream tag
+        id: up
+        run: echo "tag=$(curl -fsSL https://api.github.com/repos/$UPSTREAM/releases/latest | jq -r .tag_name)" >>"$GITHUB_OUTPUT"
+
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.REG_USER }}
+          password: ${{ secrets.REG_TOKEN }}
+
+      - name: Skip if already built
+        id: check
+        run: |
+          docker manifest inspect "$IMAGE:${{ steps.up.outputs.tag }}" >/dev/null 2>&1 \
+            && echo "build=false" >>"$GITHUB_OUTPUT" \
+            || echo "build=true" >>"$GITHUB_OUTPUT"
+
+      - if: steps.check.outputs.build == 'true'
+        uses: actions/checkout@v4                    # overlay repo
+
+      - if: steps.check.outputs.build == 'true'
+        uses: actions/checkout@v4
+        with: { repository: "${{ env.UPSTREAM }}", ref: "${{ steps.up.outputs.tag }}", path: upstream }
+
+      - if: steps.check.outputs.build == 'true'
+        name: Overlay + drift guard
+        run: |
+          for f in happy pensive reject; do
+            test -f "upstream/web/static/img/$f.webp" || { echo "::error::missing $f.webp upstream"; exit 1; }
+          done
+          cp mascot/*.webp upstream/web/static/img/
+
+      - if: steps.check.outputs.build == 'true'
+        working-directory: upstream
+        run: |
+          docker buildx create --use --name b 2>/dev/null || docker buildx use b
+          docker buildx bake --print            # run once to find the app target name
+          docker buildx bake <target> \
+            --set <target>.platform=linux/amd64 \
+            --set <target>.tags="$IMAGE:${{ steps.up.outputs.tag }},$IMAGE:latest" \
+            --push