Reusable build.yaml workflow

.github/workflows/build.yaml

@@ -4,6 +4,11 @@ on:
   push:
   pull_request:
   workflow_dispatch:
+  workflow_call:
+    outputs:
+      artifact-url:
+        description: URL to the build results artifact
+        value: ${{ jobs.build.outputs.artifact-url }}
 
 jobs:
   build:
@@ -12,6 +17,8 @@ jobs:
         java_version: [ 17 ]
     runs-on: ubuntu-latest
     name: Build (Java ${{ matrix.java_version }})
+    outputs:
+      artifact-url: ${{ steps.upload-artifacts.outputs.artifact-url }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
@@ -27,6 +34,7 @@ jobs:
       - name: Build
         run: ./gradlew build
       - name: Upload artifacts
+        id: upload-artifacts
         # if: ${{ runner.os == 'Linux' && matrix.java == '21' }} # Only upload artifacts built from latest java on one OS
         uses: actions/upload-artifact@v4
         with: