Set up CI

.github/workflows/gradle.yml

@@ -0,0 +1,22 @@
+name: Java CI with Gradle
+on:
+  [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: build
+      - uses: actions/upload-artifact@v2
+        if: github.event_name != 'pull_request'
+        with:
+          name: Package
+          path: build/libs

.github/workflows/publish.yml

@@ -0,0 +1,24 @@
+name: Publish tag
+on:
+  push
+jobs:
+  build:
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    env:
+      TAG_NAME: ${{ github.ref_name }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: build
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: build/libs/*

build.gradle

@@ -21,6 +21,11 @@ version = '0.5.0-dev.5'
 group = 'at.petra-k.hexcasting' // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = 'hexcasting'
 
+if (System.getenv('TAG_NAME') != null) {
+    version = System.getenv('TAG_NAME').substring(1)
+    println 'Version overridden to tag version ' + version
+}
+
 // Mojang ships Java 17 to end users in 1.18+, so your mod should target Java 17.
 java.toolchain.languageVersion = JavaLanguageVersion.of(17)