name: defaults-run
on:
  - push
defaults:
  run:
    shell: sh
jobs:
  without-defaults:
    runs-on: ubuntu-latest
    steps:
    - run: echo $SHELL | grep -v bash || exit 1
  with-defaults:
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash
        working-directory: /tmp
    steps:
    - run: |
        echo $SHELL | grep bash || exit 1
        [ $(pwd) = /tmp ] || exit 2
  override-in-step:
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash
    steps:
    - run: echo $SHELL | grep -v bash || exit 1
      shell: sh