actions: show how secrets & outputs work with workflow_call (#934)

Reviewed-on: https://code.forgejo.org/forgejo/end-to-end/pulls/934
Co-authored-by: Earl Warren <contact@earl-warren.org>
Co-committed-by: Earl Warren <contact@earl-warren.org>

actions/example-workflow-call/.forgejo/workflows/reusable.yml

@@ -4,6 +4,9 @@ on:
       parameter1:
         required: true
         type: string
+    outputs:
+      output1:
+        value: ${{ jobs.callee.outputs.job-output }}
 
 jobs:
   callee:
@@ -12,11 +15,16 @@ jobs:
       image: code.forgejo.org/oci/node:22-bookworm
       volumes:
         - /srv/example:/srv/example
+    outputs:
+      job-output: ${{ steps.stepwithoutput.outputs.myvalue }}
     steps:
 
-      - run: |
+      - id: stepwithoutput
+        run: |
           set -x
           test "${{ inputs.parameter1 }}" = "value1"
+          test "${{ secrets.secret }}" = "keep_it_private"
+          echo "myvalue=outputvalue1" >> $FORGEJO_OUTPUT
 
       - name: save event
         run: |

actions/example-workflow-call/.forgejo/workflows/test.yml

@@ -9,3 +9,15 @@ jobs:
     uses: ./.forgejo/workflows/reusable.yml
     with:
       parameter1: value1
+    secrets:
+      secret: keep_it_private
+
+  verify:
+    needs: [caller]
+    runs-on: docker
+    container:
+      image: code.forgejo.org/oci/node:22-bookworm
+    steps:
+      - run: |
+          set -x
+          test "${{ needs.caller.outputs.output1 }}" = "outputvalue1"