name: POC — env scope across containers
on:
  push:
    branches:
      - plan/0003-alkaa-käyttämään-itseään-commit-raportti

env:
  PIPELINE_VAR: hello-from-workflow-level

jobs:
  test-env-scope:
    runs-on: ubuntu-latest
    env:
      JOB_VAR: hello-from-job-level
    steps:
      - name: Step 1 — native shell
        run: |
          echo "PIPELINE_VAR=${PIPELINE_VAR}"
          echo "JOB_VAR=${JOB_VAR}"
          echo "PIPELINE_VAR=${PIPELINE_VAR}" >> "${GITHUB_ENV}"
          echo "JOB_VAR=${JOB_VAR}" >> "${GITHUB_ENV}"

      - name: Step 2 — docker run alpine, no -e flag
        run: |
          echo "--- Without -e ---"
          docker run --rm alpine:latest sh -c '
            echo "PIPELINE_VAR=${PIPELINE_VAR:-EMPTY}"
            echo "JOB_VAR=${JOB_VAR:-EMPTY}"
          '

      - name: Step 3 — docker run alpine, with -e flag
        run: |
          echo "--- With -e ---"
          docker run --rm -e PIPELINE_VAR -e JOB_VAR alpine:latest sh -c '
            echo "PIPELINE_VAR=${PIPELINE_VAR:-EMPTY}"
            echo "JOB_VAR=${JOB_VAR:-EMPTY}"
          '

      - name: Step 4 — docker run, vars from GITHUB_ENV
        run: |
          echo "--- From GITHUB_ENV ---"
          docker run --rm -e PIPELINE_VAR -e JOB_VAR alpine:latest sh -c '
            echo "PIPELINE_VAR=${PIPELINE_VAR:-EMPTY}"
            echo "JOB_VAR=${JOB_VAR:-EMPTY}"
          '