id: checkpoint-01
title: Checkpoint 1
image: base
instruction: |
  This quest tests your understanding of:
  1. `echo`: print text
  2. `ls`: list the contents of a folder
  3. `cd`: move between folders
  4. `pwd`: show your current path

requirements:
  - path

stages:
  - id: start
    name: Click `Start` to begin
    condition:
      command: echo start
    response:
      content: |
        This quest checks what you have learned in the previous lessons.
        You will need to choose the commands yourself.
        Think about which commands can help you complete each task.

        To continue, make the terminal print `next`.

  - id: next
    name: Make the terminal print `next`
    requirements:
      - start
    condition:
      output: next
    response:
      content: |
        Now list the contents of your current folder.

  - id: ls-home
    name: List the contents of the current folder
    requirements:
      - next
    condition:
      pwd: /home/commander
      command: ls
    response:
      content: |
        Enter the `folder03` folder.

  - id: cd-folder03
    name: Enter `folder03`
    requirements:
      - ls-home
    condition:
      pwd: /home/commander/folder03
    response:
      content: |
        Show your current path in the terminal.

  - id: pwd-folder03
    name: Show your current path
    requirements:
      - cd-folder03
    condition:
      command: pwd
      output: /home/commander/folder03
    response:
      content: |
        Now enter the `folder02` folder
        and list its contents.

  - id: ls-folder02
    name: Enter `folder02` and list its contents
    requirements:
      - pwd-folder03
    condition:
      pwd: /home/commander/folder02
      command: ls
    response:
      content: |
        Finally, stay in `folder02`
        and list the contents of `folder01`.

  - id: finish
    name: Stay in `folder02` and list the contents of `folder01`
    requirements:
      - ls-folder02
    condition:
      pwd: /home/commander/folder02
      output: file1.txt
    response:
      content: |
        Congratulations! You passed this checkpoint!
        You are ready to move on to the next lessons.