test dynamic matrices

.github/workflows/dyn-matrices.yml

@@ -0,0 +1,32 @@
+name: Dynamic Matrices
+on:
+  push:
+  pull_request:
+    types: [ assigned, opened, synchronize, reopened, edited ]
+  workflow_dispatch:
+
+jobs:
+  prepare:
+    runs-on: ubuntu-20.04
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          sparse-checkout: |
+            pom.xml
+          sparse-checkout-cone-mode: false
+      - id: set-matrix
+        run: |
+          slack_pl_version=$(cat ./pom.xml | grep -oE -m 1 '<version>[0-9][0-9]?\.[0-9]+\.[0-9]+</version>' | grep -oE '[0-9]\.[0-9]+\.[0-9]+')
+          echo "Slack Plugin Version $slack_pl_version"
+          echo "matrix={\"java-version\":[\"8\",\"11\",\"17\"],\"bitbucket-version\":[\"7.6.0\",\"8.8.0\"],\"exclude\":[{\"java-version\":\"17\",\"bitbucket-version\":\"7.6.0\"}]}" >> $GITHUB_OUTPUT
+
+  run-tests:
+    needs: prepare
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix: ${{ fromJSON(needs.prepare.outputs.matrix) }}
+      fail-fast: false
+    steps:
+      - run: echo "Matrix - Java ${{ matrix.java-version }}, Bitbucket ${{ matrix.bitbucket-version }}"