Release NeoForge jar from Gitea Actions

.gitea/workflows/build.yml

@@ -4,6 +4,8 @@ on:
   push:
     branches-ignore:
       - artifacts
+    tags:
+      - "v*"
   pull_request:
   workflow_dispatch:
 
@@ -30,6 +32,63 @@ jobs:
       - name: Build
         run: ./gradlew build --no-daemon
 
+      - name: Create Gitea release
+        if: startsWith(github.ref, 'refs/tags/')
+        shell: bash
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          set -euo pipefail
+
+          tag="${GITHUB_REF_NAME}"
+          api="${GITHUB_SERVER_URL}/api/v1"
+          release_name="WorldHandler ${tag}"
+          jar="$(find build/libs -maxdepth 1 -name '*neoforge*.jar' -print -quit)"
+
+          if [ -z "${jar}" ]; then
+            echo "No NeoForge jar found in build/libs" >&2
+            exit 1
+          fi
+
+          release_json="$(mktemp)"
+          if ! curl -fsS \
+            -H "Authorization: token ${GITHUB_TOKEN}" \
+            -H "Accept: application/json" \
+            "${api}/repos/${GITHUB_REPOSITORY}/releases/tags/${tag}" \
+            -o "${release_json}"; then
+            export tag release_name GITHUB_SHA
+            python3 -c 'import json, os; print(json.dumps({"tag_name": os.environ["tag"], "target_commitish": os.environ["GITHUB_SHA"], "name": os.environ["release_name"], "body": "NeoForge 21.1.225 build for Minecraft 1.21.1.", "draft": False, "prerelease": False}))' > "${release_json}"
+            curl -fsS \
+              -X POST \
+              -H "Authorization: token ${GITHUB_TOKEN}" \
+              -H "Accept: application/json" \
+              -H "Content-Type: application/json" \
+              --data-binary @"${release_json}" \
+              "${api}/repos/${GITHUB_REPOSITORY}/releases" \
+              -o "${release_json}"
+          fi
+
+          release_id="$(python3 -c 'import json,sys; print(json.load(open(sys.argv[1]))["id"])' "${release_json}")"
+          asset_name="$(basename "${jar}")"
+
+          python3 -c 'import json, sys; release = json.load(open(sys.argv[1])); asset_name = sys.argv[2]; [print(asset["id"]) for asset in release.get("assets", []) if asset.get("name") == asset_name]' "${release_json}" "${asset_name}" > assets-to-delete.txt
+
+          while read -r asset_id; do
+            [ -z "${asset_id}" ] && continue
+            curl -fsS \
+              -X DELETE \
+              -H "Authorization: token ${GITHUB_TOKEN}" \
+              "${api}/repos/${GITHUB_REPOSITORY}/releases/${release_id}/assets/${asset_id}"
+          done < assets-to-delete.txt
+
+          curl -fsS \
+            -X POST \
+            -H "Authorization: token ${GITHUB_TOKEN}" \
+            -H "Accept: application/json" \
+            -H "Content-Type: application/java-archive" \
+            --data-binary @"${jar}" \
+            "${api}/repos/${GITHUB_REPOSITORY}/releases/${release_id}/assets?name=${asset_name}"
+
       - name: Publish jar to artifacts branch
         if: github.event_name != 'pull_request'
         shell: bash