safe_app_ci.yml

# Copyright (c) 2022 Sharezone UG (haftungsbeschränkt)
# Licensed under the EUPL-1.2-or-later.
#
# You may obtain a copy of the Licence at:
# https://joinup.ec.europa.eu/software/page/eupl
#
# SPDX-License-Identifier: EUPL-1.2

# This workflow handles the CI for the app.
#
# Therefore, it's only triggered on pull requests that make changes to the app.
# It only contains jobs that don't require any secrets. The jobs that require
# secrets are handled in the "unsafe_app_ci.yml" workflow.

name: safe-app-ci

concurrency:
  group: safe-app-ci-${{ github.head_ref }}
  # In order to conserve the use of GitHub Actions, we cancel the running action
  # of the previous commit. This means that if you first commit "A" and then
  # commit "B" to the pull request a few minutes later, the workflow for commit
  # "A" will be cancelled.
  cancel-in-progress: true

on:
  # Triggers the workflow on pull request events
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      # It's important to trigger this workflow again when the pull is changing
      # from a draft pull request to a ready for review pull request.
      #
      # Some jobs are skipped when the pull request is a draft. Therefore, we
      # need to trigger these jobs again when the pull request is changing to
      # ready for review.
      - ready_for_review
  merge_group:
    types:
      - checks_requested

env:
  CI_CD_DART_SCRIPTS_PACKAGE_PATH: "tools/sz_repo_cli/"

# Set permissions to none.
#
# Using the broad default permissions is considered a bad security practice
# and would cause alerts from our scanning tools.
permissions: {}

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # We can't use the official "paths" filter because it has no support for merge
  # groups and we would need some kind of fallback CI when a check is required
  # but ignored because of the path filter.
  #
  # See:
  # * https://github.com/community/community/discussions/45899 (merge groups)
  # * https://github.com/github/docs/commit/4364076e0fb56c2579ae90cd048939eaa2c18954
  #   (workaround for required checks with path filters)
  changes:
    runs-on: ubuntu-22.04
    outputs:
      changesFound: ${{ steps.filter.outputs.changesFound }}
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
      - uses: AurorNZ/paths-filter@3b1f3abc3371cca888d8eb03dfa70bc8a9867629
        id: filter
        with:
          filters: |
            changesFound:
              # When we change the Flutter version, we need to trigger this workflow.
              - ".fvm/fvm_config.json"
              # We only build and deploy a new version, when a user relevant files
              # changed.
              - "app/**"
              - "lib/**"
              # We trigger also this workflow, if this workflow is changed, so that new
              # changes will be applied.
              - ".github/workflows/safe_app_ci.yml"
              # The following paths are excluded from the above paths. It's important to
              # list the paths at the end of the file, so that the exclude paths are
              # applied.
              #
              # See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#example-including-and-excluding-paths.
              - "!**/*.md"
              - "!**/*.mdx"
              - "!**/*.gitignore"
              - "!**/firebase.json"
              - "!**/.firebaserc"
              - "!app/android/fastlane/**"

  analyze:
    needs: changes
    runs-on: ubuntu-22.04
    # In draft PRs we might use TODOs temporarily.
    # In this case the analyze pipeline would fail, thus we won't run it.
    if: ${{ github.event.pull_request.draft == false && needs.changes.outputs.changesFound == 'true' }}
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11

      - name: Set Flutter version from FVM config file to environment variables
        id: fvm-config-action
        uses: kuhnroyal/flutter-fvm-config-action@6ffa30473b346f7d7c63cf9e03e6a886f940a72b

      - uses: subosito/flutter-action@2783a3f08e1baf891508463f8c6653c258246225
        with:
          flutter-version: ${{ steps.fvm-config-action.outputs.FLUTTER_VERSION }}
          channel: ${{ steps.fvm-config-action.outputs.FLUTTER_CHANNEL }}

      - name: Activate sz_repo_cli package
        run: flutter pub global activate --source path "$CI_CD_DART_SCRIPTS_PACKAGE_PATH"

      # So we can just use "sz COMMAND" instead of "dart ../path/to/script.dart ..."
      - run: echo $(realpath ./bin) >> $GITHUB_PATH

      - name: Run code analysis via "sz analyze" (formatting, issues, spacing ...)
        run: sz analyze --max-concurrent-packages 3 --package-timeout-minutes 15

      # It can easily happen that a dependency changed but the .lock file is not
      # updated. Or other cases where files are changed during a build.
      # Therefore, fails this check if there are Git changes.
      - name: Fail if there are Git diffs
        run: |
          # Fail if there are Git diffs and print the diff.
          git diff --exit-code
          # Print the Git diff with the file names and their status as a
          # summary. 
          git diff --name-status

  # We split the tests into two jobs, because we want to run the golden tests on
  # a macOS runner, because the golden tests were generated on macOS. To reduce
  # the time that macOS runner are used, we run the other tests on a Linux
  # runner.
  test-without-goldens:
    needs: changes
    if: ${{ needs.changes.outputs.changesFound == 'true' }}
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11

      - name: Set Flutter version from FVM config file to environment variables
        id: fvm-config-action
        uses: kuhnroyal/flutter-fvm-config-action@6ffa30473b346f7d7c63cf9e03e6a886f940a72b

      - uses: subosito/flutter-action@2783a3f08e1baf891508463f8c6653c258246225
        with:
          flutter-version: ${{ steps.fvm-config-action.outputs.FLUTTER_VERSION }}
          channel: ${{ steps.fvm-config-action.outputs.FLUTTER_CHANNEL }}

      - name: Activate sz_repo_cli package
        run: flutter pub global activate --source path "$CI_CD_DART_SCRIPTS_PACKAGE_PATH"

      # So we can just use "sz COMMAND" instead of "dart ../path/to/script.dart ..."
      - run: echo $(pwd)/bin >> $GITHUB_PATH

      - name: Run tests via "sz test"
        run: |
          sz test \
            -c 4 \
            --package-timeout-minutes 15 \
            --exclude-goldens

  # Checks if the generated files are up to date.
  check-code-generation:
    needs: changes
    if: ${{ needs.changes.outputs.changesFound == 'true' }}
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11

      - name: Set Flutter version from FVM config file to environment variables
        id: fvm-config-action
        uses: kuhnroyal/flutter-fvm-config-action@6ffa30473b346f7d7c63cf9e03e6a886f940a72b

      - uses: subosito/flutter-action@2783a3f08e1baf891508463f8c6653c258246225
        with:
          flutter-version: ${{ steps.fvm-config-action.outputs.FLUTTER_VERSION }}
          channel: ${{ steps.fvm-config-action.outputs.FLUTTER_CHANNEL }}

      - name: Install Sharezone CLI
        run: |
          flutter pub global activate --source path "$CI_CD_DART_SCRIPTS_PACKAGE_PATH"
          echo $(pwd)/bin >> $GITHUB_PATH

      - name: Run code generation via "sz build_runner build"
        run: |
          sz build_runner build \
            -c 4 \
            --package-timeout-minutes 15

      - name: Fail if generated files have changed
        run: |
          git diff --exit-code -- '**/*.mocks.dart' '**/*.g.dart'

          # Print the Git diff with the file names and their status as a
          # summary. 
          git diff --name-status -- '**/*.mocks.dart' '**/*.g.dart'