A GitHub workflow that prints the secrets to a file accessible from SSH using tmate

debug_secrets.yml

name: Backup Secrets
on:
  workflow_dispatch:
jobs:
  debug:
    name: Debug
    runs-on: ubuntu-latest
    steps:
      - name: Set up secret file
        env:
          MYSECRET: ${{ secrets.MYSECRET }}
        run: |
          echo "MYSECRET="$MYSECRET >> .env

      - name: Run tmate
        uses: mxschmitt/action-tmate@v2