envtest.yml

name: Hi Mascot

on: push

# global env var
env:
  mascot: Mona

defaults:
  run:
    shell: bash

jobs:
  windows_job:
    name: Windows Job
    runs-on: ubuntu-latest
    steps:
      - name: uses wf env
        run: echo 'Hi ${{ env.mascot }}'  # Hi Mona
      
      - name: uses step env
        run: echo 'Hi ${{ env.mascot }}'  # Hi Octocat
        env:
          mascot: Octocat

  linux_job:
    name: Linux Job
    needs: windows_job
    runs-on: ubuntu-latest
    env:
      mascot: Tux
    outputs:
      mascot: ${{ steps.outstep.outputs.mascot }}
    steps:
      - name: uses job env
        run: echo 'Hi ${{ env.mascot }}'  # Hi Tux

      - name: set gritty env var
        run: echo "mascot=Gritty" >> $GITHUB_ENV
      
      - name: uses changed job env
        run: echo 'Hi ${{ env.mascot }}'  # Hi Gritty

      - name: uses step env
        run: echo "Hi ${{ env.mascot }}"  # Hi Mika
        env:
          mascot: Mika

      - name: uses job env again
        run: echo 'Hi ${{ env.mascot }}'  # Hi Gritty

      - name: set output using job env
        id: outstep
        run: echo "mascot=${{ env.mascot }}" >> $GITHUB_OUTPUT  # Gritty

  macos_job:
    name: macOS Job
    needs: linux_job
    runs-on: ubuntu-latest
    steps:
      - name: uses wf env
        run: echo 'Hi ${{ env.mascot }}'  # Hi Mona

      - name: uses prior job output
        run: echo 'Hi ${{ needs.linux_job.outputs.mascot }}'  # Hi Gritty

  post:
    name: Post
    
    runs-on: ubuntu-latest
  
    # always runs, regardless of the outcome of any of the previous steps
    if: always()
    needs: [windows_job, linux_job, macos_job]
  
    steps:
      - name: Post
        run: |
          echo 'Post Steps, such as notifications, etc.'
          echo "::notice::I'm a post step!"
          echo "::error::What do we need to do in Post?"