From 50411431240799c26dbe26614e077cf07aaf2401 Mon Sep 17 00:00:00 2001
From: Stefano Cordio <stefano.cordio@gmail.com>
Date: Sun, 15 Aug 2021 11:32:06 +0200
Subject: [PATCH] Rework CI to add multi-version build and Maven repository
 caching

---
 .github/workflows/ci.yml            | 28 ++++++++++++++++++++++++++++
 .github/workflows/maven_java1.8.yml | 25 -------------------------
 .github/workflows/maven_java11.yml  | 25 -------------------------
 .github/workflows/maven_java15.yml  | 25 -------------------------
 4 files changed, 28 insertions(+), 75 deletions(-)
 create mode 100644 .github/workflows/ci.yml
 delete mode 100644 .github/workflows/maven_java1.8.yml
 delete mode 100644 .github/workflows/maven_java11.yml
 delete mode 100644 .github/workflows/maven_java15.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 000000000..d49f421d0
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,28 @@
+name: Java CI with Maven
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Java ${{ matrix.java }}
+    strategy:
+      fail-fast: false
+      matrix:
+        java: [ 8, 11, 17, 18-ea, 19-ea ]
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup Java
+      uses: actions/setup-java@v2
+      with:
+        distribution: zulu
+        java-version: ${{ matrix.java }}
+        cache: maven
+    - name: Build with Maven
+      run: mvn -B package
diff --git a/.github/workflows/maven_java1.8.yml b/.github/workflows/maven_java1.8.yml
deleted file mode 100644
index 0850a605c..000000000
--- a/.github/workflows/maven_java1.8.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-# This workflow will build a Java project with Maven
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
-
-name: Java CI with Maven, Java 1.8
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-  workflow_dispatch:
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
-      with:
-        java-version: 1.8
-    - name: Build with Maven
-      run: mvn -B package --file pom.xml
diff --git a/.github/workflows/maven_java11.yml b/.github/workflows/maven_java11.yml
deleted file mode 100644
index 98b260eaf..000000000
--- a/.github/workflows/maven_java11.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-# This workflow will build a Java project with Maven
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
-
-name: Java CI with Maven, Java 11
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-  workflow_dispatch:
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 11
-      uses: actions/setup-java@v1
-      with:
-        java-version: 11
-    - name: Build with Maven
-      run: mvn -B package --file pom.xml
diff --git a/.github/workflows/maven_java15.yml b/.github/workflows/maven_java15.yml
deleted file mode 100644
index 65979737b..000000000
--- a/.github/workflows/maven_java15.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-# This workflow will build a Java project with Maven
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
-
-name: Java CI with Maven, Java 15
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-  workflow_dispatch:
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 15
-      uses: actions/setup-java@v1
-      with:
-        java-version: 15
-    - name: Build with Maven
-      run: mvn -B package --file pom.xml