ci: esteira para os runners do Gitea, changelog e instalador pelo Gitea

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

.gitea/workflows/release.yml

@@ -0,0 +1,64 @@
+name: Release
+
+# Na main valida o commit (chamando o ci.yml). Numa tag v*, gera o .deb com a
+# versão da tag e publica a release no Gitea com o pacote, o SHA256SUMS e as
+# notas da seção do CHANGELOG.md. Se o commit da tag já passou na main, a suíte
+# não roda de novo.
+on:
+  push:
+    branches: [main]
+    paths-ignore: ['**.md', 'LICENSE', '.claude/**', '.wolf/**']
+    tags: ['v*']
+  workflow_dispatch:
+
+concurrency:
+  group: release
+  cancel-in-progress: false
+
+jobs:
+  plano:
+    name: Plano (este commit já foi validado?)
+    runs-on: ubuntu-24.04-arm
+    outputs:
+      reuse: ${{ steps.plano.outputs.reuse }}
+    steps:
+      - uses: actions/checkout@v4
+      - id: plano
+        run: scripts/plano-ci.sh "${{ gitea.server_url }}" "${{ gitea.repository }}" "${{ gitea.sha }}" "${{ gitea.token }}" >> "$GITHUB_OUTPUT"
+
+  ci:
+    needs: plano
+    if: ${{ needs.plano.outputs.reuse != 'true' }}
+    uses: ./.gitea/workflows/ci.yml
+
+  release:
+    name: Publica a release
+    needs: [plano, ci]
+    # O ci é pulado, e não bem-sucedido, quando o commit já foi validado.
+    if: ${{ !cancelled() && needs.plano.result == 'success' && (needs.ci.result == 'success' || needs.plano.outputs.reuse == 'true') && startsWith(gitea.ref, 'refs/tags/v') }}
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Pacote
+        run: |
+          empacotamento/gerar-deb.sh "${GITEA_REF_NAME#v}"
+          (cd dist && sha256sum copiado_all.deb > SHA256SUMS)
+        env:
+          GITEA_REF_NAME: ${{ gitea.ref_name }}
+      - name: Release
+        env:
+          TAG: ${{ gitea.ref_name }}
+          TOKEN: ${{ gitea.token }}
+          API: ${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}
+        run: |
+          scripts/release-notes.sh "$TAG" > notes.md
+          jq -n --arg tag "$TAG" --arg name "Copiado ${TAG#v}" --rawfile body notes.md \
+            '{tag_name:$tag, name:$name, body:$body, prerelease:false}' > release.json
+          id=$(curl -fsS -X POST "$API/releases" -H "Authorization: token $TOKEN" \
+            -H 'Content-Type: application/json' -d @release.json | jq -r .id)
+          for f in dist/copiado_all.deb dist/SHA256SUMS; do
+            curl -fsS -X POST "$API/releases/$id/assets?name=$(basename "$f")" \
+              -H "Authorization: token $TOKEN" -F "attachment=@$f" >/dev/null
+          done