Add manual release workflow

Adds a workflow_dispatch release flow that packages the module as an installable PrestaShop zip and uploads it to a Gitea release.

.gitea/workflows/release.yml

@@ -0,0 +1,161 @@
+name: release
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag_name:
+        description: Release tag (for example v1.0.0)
+        required: true
+      release_name:
+        description: Optional release title
+        required: false
+      release_notes:
+        description: Release notes / body
+        required: false
+
+jobs:
+  build-release:
+    name: Build module release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install release tooling
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y curl jq zip
+
+      - name: Build installable module zip
+        id: package
+        env:
+          MODULE_NAME: ${{ github.event.repository.name }}
+          TAG_NAME: ${{ inputs.tag_name }}
+        run: |
+          set -euo pipefail
+
+          tag_slug="$(printf '%s' "${TAG_NAME}" | tr '/[:space:]' '-')"
+          archive="/tmp/${MODULE_NAME}-${tag_slug}.zip"
+          package_root="/tmp/module-package"
+
+          rm -rf "${package_root}"
+          mkdir -p "${package_root}/${MODULE_NAME}"
+
+          tar \
+            --exclude='./.git' \
+            --exclude='./.gitea' \
+            -C "${GITHUB_WORKSPACE}" \
+            -cf - . | tar -C "${package_root}/${MODULE_NAME}" -xf -
+
+          cd "${package_root}"
+          zip -qr "${archive}" "${MODULE_NAME}"
+          ls -lh "${archive}"
+
+          {
+            echo "archive=${archive}"
+            echo "asset_name=$(basename "${archive}")"
+          } >> "$GITHUB_OUTPUT"
+
+      - name: Create or reuse Gitea release
+        id: release
+        env:
+          GITEA_TOKEN: ${{ github.token }}
+          GITEA_API: ${{ github.server_url }}/api/v1
+          REPO: ${{ github.repository }}
+          TAG_NAME: ${{ inputs.tag_name }}
+          INPUT_RELEASE_NAME: ${{ inputs.release_name }}
+          RELEASE_NOTES: ${{ inputs.release_notes }}
+          TARGET_COMMITISH: ${{ github.sha }}
+        run: |
+          set -euo pipefail
+
+          if [ -n "${INPUT_RELEASE_NAME}" ]; then
+            release_name="${INPUT_RELEASE_NAME}"
+          else
+            release_name="Release ${TAG_NAME}"
+          fi
+
+          get_release_url="${GITEA_API}/repos/${REPO}/releases/tags/${TAG_NAME}"
+          create_release_url="${GITEA_API}/repos/${REPO}/releases"
+
+          status="$(curl -sS -o /tmp/release.json -w '%{http_code}' \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            "${get_release_url}")"
+
+          if [ "${status}" = "200" ]; then
+            echo "release_id=$(jq -r '.id' /tmp/release.json)" >> "$GITHUB_OUTPUT"
+            exit 0
+          fi
+
+          if [ "${status}" != "404" ]; then
+            echo "Unexpected response while checking release: HTTP ${status}"
+            cat /tmp/release.json
+            exit 1
+          fi
+
+          jq -n \
+            --arg tag_name "${TAG_NAME}" \
+            --arg target_commitish "${TARGET_COMMITISH}" \
+            --arg name "${release_name}" \
+            --arg body "${RELEASE_NOTES}" \
+            '{tag_name:$tag_name,target_commitish:$target_commitish,name:$name,body:$body,draft:false,prerelease:false}' \
+            > /tmp/release-payload.json
+
+          curl -sS \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            -H "Content-Type: application/json" \
+            -X POST \
+            --data @/tmp/release-payload.json \
+            "${create_release_url}" \
+            -o /tmp/release.json
+
+          if ! jq -e '.id' /tmp/release.json >/dev/null; then
+            cat /tmp/release.json
+            exit 1
+          fi
+
+          echo "release_id=$(jq -r '.id' /tmp/release.json)" >> "$GITHUB_OUTPUT"
+
+      - name: Upload release asset
+        env:
+          GITEA_TOKEN: ${{ github.token }}
+          GITEA_API: ${{ github.server_url }}/api/v1
+          REPO: ${{ github.repository }}
+          RELEASE_ID: ${{ steps.release.outputs.release_id }}
+          ASSET: ${{ steps.package.outputs.archive }}
+          ASSET_NAME: ${{ steps.package.outputs.asset_name }}
+        run: |
+          set -euo pipefail
+
+          assets_url="${GITEA_API}/repos/${REPO}/releases/${RELEASE_ID}/assets"
+
+          curl -sS \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            "${assets_url}" \
+            -o /tmp/release-assets.json
+
+          existing_id="$(python3 - <<'PY'
+          import json, os
+          with open('/tmp/release-assets.json', 'r', encoding='utf-8') as f:
+              assets = json.load(f)
+          for asset in assets:
+              if asset.get('name') == os.environ['ASSET_NAME']:
+                  print(asset['id'])
+                  break
+          PY
+          )"
+
+          if [ -n "${existing_id}" ]; then
+            curl -sS \
+              -H "Authorization: token ${GITEA_TOKEN}" \
+              -X DELETE \
+              "${assets_url}/${existing_id}" \
+              >/dev/null
+          fi
+
+          curl -sS \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            -X POST \
+            -F "attachment=@${ASSET}" \
+            "${assets_url}?name=${ASSET_NAME}" \
+            >/dev/null