dotnet-lint.yaml

name: dotnet lint
on:
  workflow_dispatch:
  schedule:
    - cron: 0 1 * * 1 # At AM10:00 JST on Monday

env:
  SLN_ROOT: src/dotnet/

jobs:
  lint_csharp:
    permissions:
      contents: read
    runs-on: ubuntu-24.04
    timeout-minutes: 10
    steps:
      - uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
        id: app-token
        with:
          app-id: ${{ secrets.SYNCED_ACTIONS_BOT_APPID }}
          private-key: ${{ secrets.SYNCED_ACTIONS_BOT_PRIVATE_KEY }}
          permission-contents: write
          permission-pull-requests: write
      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
        with:
          persist-credentials: false
      - uses: actions/setup-dotnet@baa11fbfe1d6520db94683bd5c7a3818018e4309 # v5.1.0
        with:
          dotnet-version: 10.0.x
      # dotnet list
      - name: Obtain csproj to lint
        run: |
          projects=$(dotnet sln list | tail -n +3 | sort | xargs -n 1 echo '  *')
          {
            echo "FORMAT_PROJECTS<<EOF"
            echo "${projects}"
            echo "EOF"
          } >> "$GITHUB_ENV"
        working-directory: ${{ env.SLN_ROOT }}
      - name: Add dotnet-format problem matcher
        uses: xt0rted/dotnet-format-problem-matcher@b90c4f18e3daa4f8fd266e41eba4f351b2e00b75 # v1.2.0
      # dotnet format is build-in from dotnet 6.0 sdk
      - name: Dotnet Format
        run: dotnet format --verbosity diagnostic --exclude "Sandbox.Fail.Tests"
        working-directory: ${{ env.SLN_ROOT }}
      # is change happen?
      - name: Check for modified files
        id: git-check
        run: echo "modified=$(if git diff-index --quiet HEAD --; then echo "false"; else echo "true"; fi)" >> "$GITHUB_OUTPUT"

      # get directory stats
      - name: List modified directories
        if: ${{ steps.git-check.outputs.modified == 'true' }}
        run: |
          dirs=$(git diff --dirstat=files)
          {
            echo "CHANGED_DIRS<<EOF"
            echo "${dirs}"
            echo "EOF"
          } | tee -a "$GITHUB_ENV"

      # get files stats
      - name: List modified files
        if: ${{ steps.git-check.outputs.modified == 'true' }}
        run: |
          files=$(git diff --name-only)
          {
            echo "CHANGED_FILES<<EOF"
            echo "${files}"
            echo "EOF"
          } | tee -a "$GITHUB_ENV"

      # Commit if change happen, then craete PR. force push when branch/pr already exists.
      - name: git auth
        if: ${{ steps.git-check.outputs.modified == 'true' }}
        run: |
          git remote set-url origin "https://github-actions:${GITHUB_TOKEN}@github.com/${{ github.repository }}"
          git config user.name github-actions[bot]
          git config user.email 41898282+github-actions[bot]@users.noreply.github.com

          git checkout -b "auto-pr/dotnet-format"
        env:
          GITHUB_TOKEN: ${{ steps.app-token.outputs.token }}

      - name: commit
        uses: ./.github/actions/git-push
        with:
          commit-message: "[automated] dotnet format by ${{ github.workflow }}"
          ref: "auto-pr/dotnet-format"
          github-token: ${{ steps.app-token.outputs.token }}

      - name: Create PullRequest
        if: ${{ steps.git-check.outputs.modified == 'true' }}
        run: |
          pr_exists=$(gh pr list --head "auto-pr/dotnet-format" --base "${DEFAULT_BRANCH}")
          if [ -n "$pr_exists" ]; then
            echo "PR already exists for auto-pr/dotnet-format -> ${DEFAULT_BRANCH}. Skipping creation."
            exit 0
          fi

          title="[dotnet format] Automated changes"
          cat << 'EOF' > pr_body.txt
          ## tl;dr;
          dotnet format generated changes based on .editorconfig

          ## Stats

          changed directories

          ```
          ${{ env.CHANGED_DIRS }}
          ```

          ## Files

          <details>
          <summary>Click to show.</summary>

          ```
          ${{ env.CHANGED_FILES }}
          ```

          </details>

          ## Target Projects

          Target project number is ${{ env.PROJECT_LENGTH }}.

          ${{ env.FORMAT_PROJECTS }}

          ---

          This PR was created automatically via [${{ env.WORKFLOW_NAME }}](${{ env.GITHUB_ACTIONS_RUN_URL }}), job [link](${{ env.GITHUB_ACTIONS_JOB_URL }}).
          EOF

          gh pr create --title "$title" --body-file "./pr_body.txt" --label "automated pr"
        env:
          DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
          GITHUB_DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
          GITHUB_ACTIONS_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
          GITHUB_ACTIONS_JOB_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}/job/${{ job.check_run_id }}
          WORKFLOW_NAME: ${{ github.workflow }}