feat: add Minecraft 26.1.2 support for Spigot/Paper

.github/workflows/auto-beta-release.yml

@@ -0,0 +1,112 @@
+name: Auto Beta Release
+
+# Each push to the upgrade branch produces a new release tagged
+# 26.1.2-beta.<N>, where N auto-increments from the highest existing tag.
+# Also opens a PR back to the default branch on first push if one
+# doesn't exist yet.
+
+on:
+  push:
+    branches:
+      - claude/minecraft-26.1.2-upgrade-6YV9K
+
+concurrency:
+  group: auto-beta-release
+  cancel-in-progress: false
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  build-and-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Ensure pull request exists
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          HEAD_BRANCH: ${{ github.ref_name }}
+          BASE_BRANCH: ${{ github.event.repository.default_branch }}
+        run: |
+          set -euo pipefail
+          existing=$(gh pr list --head "${HEAD_BRANCH}" --base "${BASE_BRANCH}" --state open --json number --jq 'length')
+          if [ "${existing}" = "0" ]; then
+            gh pr create \
+              --base "${BASE_BRANCH}" \
+              --head "${HEAD_BRANCH}" \
+              --title "feat: add Minecraft 26.1.2 support for Spigot/Paper" \
+              --body "$(printf '## Summary\n- Adds bukkit-helper-26-1-2 module modeled on 1.21.11, using paperweight.userdev with the 26.1.2-R0.1-SNAPSHOT Paper dev bundle.\n- Compiles the new module with Java 25 (required by MC 26.1+).\n- Routes (MC: 26.*) servers to the new helper in spigot/Helper.java.\n- Wires the new module into settings.gradle and spigot/build.gradle (impl + shadowJar include).\n- ci(release): adds JDK 25 alongside JDK 21 so paperweight can resolve the 26.1.2 toolchain.\n- ci(auto-beta-release): on each push, computes next 26.1.2-beta.<N> tag, builds, and publishes a GitHub Release with the spigot JAR.\n\n## Test plan\n- [ ] Gradle :spigot:build succeeds (JDK 21 host with JDK 25 toolchain).\n- [ ] Paper dev bundle 26.1.2-R0.1-SNAPSHOT resolves from PaperMC repo.\n- [ ] Auto-beta-release workflow tags 26.1.2-beta.<N> and uploads the spigot jar.\n- [ ] Manual smoke test on a Paper/Spigot 26.1.2 server.')" \
+              --draft || true
+          else
+            echo "PR already exists for ${HEAD_BRANCH} -> ${BASE_BRANCH}; skipping."
+          fi
+
+      - name: Compute next beta version
+        id: version
+        run: |
+          set -euo pipefail
+          BASE="26.1.2-beta"
+          git fetch --tags --force
+          LAST=$(git tag --list "${BASE}.*" \
+            | sed -E "s/^${BASE}\.([0-9]+)$/\1/" \
+            | grep -E '^[0-9]+$' \
+            | sort -n \
+            | tail -n1 || true)
+          if [ -z "${LAST}" ]; then
+            NEXT=1
+          else
+            NEXT=$((LAST + 1))
+          fi
+          TAG="${BASE}.${NEXT}"
+          echo "tag=${TAG}" >> "$GITHUB_OUTPUT"
+          echo "Next tag: ${TAG}"
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v5
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Set up JDK 25
+        uses: actions/setup-java@v5
+        with:
+          java-version: '25'
+          distribution: 'temurin'
+          cache: gradle
+
+      - name: Build with Gradle
+        env:
+          USERNAME: ${{ secrets.USERNAME }}
+          TOKEN: ${{ secrets.TOKEN }}
+          # Run Gradle on JDK 21 (compatible with Shadow plugin); JDK 25 used via toolchain.
+          JAVA_HOME: ${{ env.JAVA_HOME_21_X64 }}
+        run: |
+          ./gradlew :spigot:build \
+            -Porg.gradle.java.installations.paths="${JAVA_HOME_25_X64},${JAVA_HOME_21_X64}"
+
+      - name: Find JAR file
+        id: find_jar
+        run: |
+          set -euo pipefail
+          JAR_FILE=$(ls target/*.jar | grep 'spigot' | tail -n 1)
+          echo "jar_file=${JAR_FILE}" >> "$GITHUB_OUTPUT"
+          echo "jar_name=$(basename "${JAR_FILE}")" >> "$GITHUB_OUTPUT"
+
+      - name: Create GitHub Release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAG: ${{ steps.version.outputs.tag }}
+          JAR_FILE: ${{ steps.find_jar.outputs.jar_file }}
+        run: |
+          set -euo pipefail
+          gh release create "${TAG}" "${JAR_FILE}" \
+            --target "${GITHUB_SHA}" \
+            --title "${TAG}" \
+            --notes "Automated beta release for Minecraft 26.1.2 (commit ${GITHUB_SHA})." \
+            --prerelease

.github/workflows/release.yml

@@ -17,13 +17,23 @@ jobs:
         with:
           java-version: '21'
           distribution: 'temurin'
+
+      - name: Set up JDK 25
+        uses: actions/setup-java@v5
+        with:
+          java-version: '25'
+          distribution: 'temurin'
           cache: gradle
 
       - name: Build with Gradle
         env:
           USERNAME: ${{ secrets.USERNAME }}
           TOKEN: ${{ secrets.TOKEN }}
-        run: ./gradlew :spigot:build
+          # Run Gradle on JDK 21 (compatible with Shadow plugin); JDK 25 used via toolchain.
+          JAVA_HOME: ${{ env.JAVA_HOME_21_X64 }}
+        run: |
+          ./gradlew :spigot:build \
+            -Porg.gradle.java.installations.paths="${JAVA_HOME_25_X64},${JAVA_HOME_21_X64}"
 
       - name: Find JAR file
         id: find_jar

bukkit-helper-26-1-2/build.gradle

@@ -0,0 +1,24 @@
+plugins {
+  id 'io.papermc.paperweight.userdev'
+}
+
+eclipse {
+    project {
+        name = "Dynmap(Spigot-26.1.2)"
+    }
+}
+
+description = 'bukkit-helper-26.1.2'
+
+// MC 26.1+ requires Java 25.
+java {
+    toolchain.languageVersion = JavaLanguageVersion.of(25)
+}
+
+dependencies {
+  implementation project(':bukkit-helper')
+  implementation project(':dynmap-api')
+  implementation project(path: ':DynmapCore', configuration: 'shadow')
+  // Use paperweight dev bundle (matches the pattern used by bukkit-helper-121-11).
+  paperweight.paperDevBundle("26.1.2-R0.1-SNAPSHOT")
+}