workflow-tester63.yml

name: Test 63 # Related to https://stackoverflow.com/questions/74117204/how-to-generate-a-new-string-by-combine-github-action-workflow-variables

on:
  #push:
  workflow_dispatch:

jobs:
  job1:
    runs-on: ubuntu-latest
    steps:
      - name: Check context var
        run: |
          echo '${{ github.event.head_commit.message }}'
          echo '${{ github.sha }}'

#      echo MESSAGE_SHA='${{ github.event.head_commit.message }}'-'${{ github.sha }}' >> $GITHUB_ENV

      - name: Setup env var
        run: |
          MESSAGE=$(cat << EOF
          '${{ github.event.head_commit.message }}'
          -'${{ github.sha }}'
          EOF
          )
          echo MESSAGE_SHA=$MESSAGE >> $GITHUB_ENV

      - name: Check env var
        run: |
          echo ${{ env.MESSAGE_SHA }}

# Testing same implementation for OUTPUT

      - name: Setup output var
        id: test1
        run: |
          MESSAGE=$(cat << EOF
          '${{ github.event.head_commit.message }}'
          -'${{ github.sha }}'
          EOF
          )
          echo MESSAGE_SHA=$MESSAGE >> $GITHUB_OUTPUT

      - name: Check output var
        run: |
          echo ${{steps.test1.outputs.MESSAGE_SHA}}

# Testing other syntaxes

      - name: Setup output var2
        id: test2 
        run: echo "TEST2=first line\n second line\n third line" >> $GITHUB_OUTPUT

      - name: Check output var2
        run: |
          echo ${{steps.test2.outputs.TEST2}} #Will keep the n from the \n
          echo -e "${{steps.test2.outputs.TEST2}}" #Will break the line from the \n

      - name: Setup output var3
        id: test3
        run: |
          echo "TEST3=first line \
          second line \
          third line" >> $GITHUB_OUTPUT

      - name: Check output var3
        run: echo ${{steps.test3.outputs.TEST3}}

      - name: Setup output var4
        id: test4
        continue-on-error: true
        run: echo TEST4=$(echo -e "first line\n second line\n third line") >> $GITHUB_OUTPUT

      - name: Check output var4
        run: |
          echo ${{steps.test4.outputs.TEST4}}