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# https://aka.ms/yaml

jobs:
  - job: test
    displayName: 'Lint & Test'

    pool:
      vmImage: 'Ubuntu 18.04'

    variables:
      PIP_CACHE_DIR: ".cache/pip"
      PIP_SRC: ".cache/src"
      PIPENV_CACHE_DIR: ".cache/pipenv"
      PIPENV_DONT_USE_PYENV: 1
      PIPENV_HIDE_EMOJIS: 1
      PIPENV_IGNORE_VIRTUALENVS: 1
      PIPENV_NOSPIN: 1
      PRE_COMMIT_HOME: $(Pipeline.Workspace)/pre-commit-cache

    steps:
      - task: UsePythonVersion@0
        displayName: 'Set Python version'
        name: PythonVersion
        inputs:
          versionSpec: '3.8.x'
          addToPath: true

      - script: pip3 install pipenv
        displayName: 'Install pipenv'

      - script: pipenv install --dev --deploy --system
        displayName: 'Install project using pipenv'

      # Create an executable shell script which replaces the original pipenv binary.
      # The shell script ignores the first argument and executes the rest of the args as a command.
      # It makes the `pipenv run flake8` command in the pre-commit hook work by circumventing
      # pipenv entirely, which is too dumb to know it should use the system interpreter rather than
      # creating a new venv.
      - script: |
          printf '%s\n%s' '#!/bin/bash' '"${@:2}"' > $(PythonVersion.pythonLocation)/bin/pipenv \
          && chmod +x $(PythonVersion.pythonLocation)/bin/pipenv
        displayName: 'Mock pipenv binary'

      - task: Cache@2
        displayName: 'Restore pre-commit environment'
        inputs:
          key: pre-commit | "$(PythonVersion.pythonLocation)" | .pre-commit-config.yaml
          restoreKeys: |
            pre-commit | "$(PythonVersion.pythonLocation)"
          path: $(PRE_COMMIT_HOME)

      - script: pre-commit run --all-files
        displayName: 'Run pre-commit hooks'

  - job: build
    displayName: 'Build & Push Container'
    condition: and(succeeded(), ne(variables['Build.Reason'], 'PullRequest'))
    dependsOn: 'test'

    steps:
      - task: Docker@2
        displayName: 'Build & Push Container'
        inputs:
          containerRegistry: 'DockerHub'
          repository: 'pythondiscord/seasonalbot'
          command: 'buildAndPush'
          Dockerfile: '**/Dockerfile'
          tags: 'latest'