task/testdata/output_group_error_only/Taskfile.yml

version: '3'

silent: true

output:
  group:
    error_only: true

tasks:
  passing: echo 'passing-output'

  failing:
    cmds:
      - task: passing
      - echo 'passing-output-2'
      - echo 'passing-output-3'
      - echo 'failing-output' && exit 1