Tests on multiple Java versions

Author: totakke

.github/workflows/build.yml

@@ -5,6 +5,9 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: ['8', '11', '17', '21']
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -13,7 +16,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '21'
+          java-version: ${{ matrix.java }}
 
       - name: Setup Clojure
         uses: DeLaGuardo/[email protected]
@@ -24,13 +27,14 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.m2/repository
-          key: cljdeps-${{ hashFiles('project.clj') }}
+          key: cljdeps-${{ hashFiles('project.clj') }}-${{ matrix.java }}
           restore-keys: cljdeps-
 
       - name: Run tests
         run: lein with-profile +1.9:+1.10:+1.11:+1.12 test
 
   get-version:
+    needs: [test]
     runs-on: ubuntu-latest
     outputs:
       version: ${{ steps.get-version.outputs.version }}