ci: Add workflow for releases

This change adds a new Github Actions workflow that is triggered when a
new tag is pushed. This workflow will automatically build the project
and create a new Github release.

1 files changed, 39 insertions, 0 deletions

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 00000000..59dc346a
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,39 @@
+name: Release
+
+on:
+  push:
+    tags: ['v*']
+
+jobs:
+  build:
+    name: Build OpenDC
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [ 15 ]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Validate Gradle wrapper
+        uses: gradle/wrapper-validation-action@v1
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+      - uses: actions/cache@v1
+        with:
+          path: ~/.gradle/caches
+          key: ${{ runner.os }}-${{ matrix.java }}-gradle-${{ hashFiles('**/*.gradle*') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.java }}-gradle-
+      - name: Build with Gradle
+        run: ./gradlew :assembleDist
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          prerelease: ${{ contains(github.ref, '-rc') || contains(github.ref, '-m') }}
+          files: build/distributions/*
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}