ci: remove docker gha cache and publish charts to gitea

.github/workflows/release-chart.yaml

@@ -40,6 +40,61 @@ jobs:
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
 
+      - name: Upload chart artifacts to Gitea release
+        if: secrets.GITEA_TOKEN != ''
+        env:
+          GITEA_BASE_URL: https://git.kloude.ir
+          GITEA_REPO: kloude/kks-provider-plugin
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          TAG: ${{ github.ref_name }}
+        run: |
+          set -euo pipefail
+
+          shopt -s nullglob
+          charts=(.cr-release-packages/*.tgz)
+          if [ ${#charts[@]} -eq 0 ]; then
+            echo "No packaged charts to upload to Gitea"
+            exit 0
+          fi
+
+          api="${GITEA_BASE_URL}/api/v1/repos/${GITEA_REPO}"
+
+          release_json=$(curl -fsS \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            "${api}/releases/tags/${TAG}" || true)
+
+          if [ -z "$release_json" ]; then
+            release_json=$(curl -fsS -X POST \
+              -H "Authorization: token ${GITEA_TOKEN}" \
+              -H "Content-Type: application/json" \
+              "${api}/releases" \
+              -d "{\"tag_name\":\"${TAG}\",\"name\":\"${TAG}\",\"target_commitish\":\"${GITHUB_SHA}\"}")
+          fi
+
+          release_id=$(python3 -c 'import json,sys; print(json.loads(sys.stdin.read())["id"])' <<< "$release_json")
+
+          existing_assets=$(curl -fsS \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            "${api}/releases/${release_id}/assets")
+
+          for chart in "${charts[@]}"; do
+            file_name=$(basename "$chart")
+
+            existing_asset_id=$(python3 -c 'import json,sys; assets=json.loads(sys.stdin.read()); name=sys.argv[1]; print(next((str(a["id"]) for a in assets if a.get("name")==name), ""))' "$file_name" <<< "$existing_assets")
+
+            if [ -n "$existing_asset_id" ]; then
+              curl -fsS -X DELETE \
+                -H "Authorization: token ${GITEA_TOKEN}" \
+                "${api}/releases/${release_id}/assets/${existing_asset_id}"
+            fi
+
+            curl -fsS -X POST \
+              -H "Authorization: token ${GITEA_TOKEN}" \
+              -H "Content-Type: application/gzip" \
+              --data-binary "@${chart}" \
+              "${api}/releases/${release_id}/assets?name=${file_name}"
+          done
+
       - name: Log in to registry
         uses: docker/login-action@v3
         with: