dotnet-format.yml

name: dotnet format

on:
  workflow_dispatch:
  push:
    branches: [ main ]
    paths-ignore:
    - "**.md"
  pull_request:
    branches: [ main ]
  schedule:
    - cron: '0 0 * * 0' # Once a week: "At 00:00 on Sunday."

defaults:
  run:
    shell: pwsh

jobs:
  main:
    name: dotnet format
    permissions:
      contents: read
      pull-requests: read
    runs-on: ubuntu-latest
    env:
      WORKFLOW_INFO_ARTIFACT_FILEPATH: ${{github.workspace}}/dotnet-format-workflow-info.json
      WORKFLOW_RUN_URL: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
      DOTNET_FORMAT_REPORT_FILEPATH: ${{github.workspace}}/dotnet-format-report.json
    steps:
    - name: Dump github context for debug purposes
      env:
        GITHUB_CONTEXT: ${{ toJSON(github) }}
      run: $env:GITHUB_CONTEXT
    - name: Checkout repository
      uses: actions/checkout@v4
    - name: Setup .NET
      uses: actions/setup-dotnet@v3
      with:
        dotnet-version: |
          6.0.x
        global-json-file: global.json
    - name: Cache/Restore NuGets
      uses: actions/cache@v3
      with:
        path:
          ~/.nuget/packages
        key: ${{ runner.os }}-nuget-
        restore-keys: |
          ${{ runner.os }}-nuget-
    - name: dotnet format
      run: |
        Write-Output "::group::Running dotnet format"
        dotnet format ${{ github.workspace }}/DotNet.Sdk.Extensions.sln `
          --severity info `
          --verbosity diagnostic `
          --report ${{ env.DOTNET_FORMAT_REPORT_FILEPATH }}
        Write-Output "::endgroup::"
    - name: Parse dotnet format
      id: dotnet-format-parse
      run: |
        $dotnetFormatReport = Get-Content ${{ env.DOTNET_FORMAT_REPORT_FILEPATH }} | ConvertFrom-Json
        $filePaths = $dotnetFormatReport.FilePath | Get-Unique
        $dotnetFormatHasChanges =  $filePaths.Count -ne 0
        $dotnetFormatHasChangesAsString =  $dotnetFormatHasChanges.ToString()
        Write-Output "has-changes=$dotnetFormatHasChangesAsString" >> $env:GITHUB_OUTPUT
    - name: Delete all files without dotnet format changes
      if: steps.dotnet-format-parse.outputs.has-changes == 'true'
      run: |
        $files = Get-ChildItem -Path "${{ github.workspace }}" -File -Recurse -Force
        $dotnetFormatReport = Get-Content ${{ env.DOTNET_FORMAT_REPORT_FILEPATH }} | ConvertFrom-Json
        $filePaths = $dotnetFormatReport.FilePath | Get-Unique

        # delete all files except for the ones with dotnet format changes
        foreach($file in $files) {
          if($filePaths -Contains $file.FullName) {
            # don't do anything on files that have changes from dotnet format
          }
          else {
            rm $file.FullName
          }
        }

        # delete all empty folders
        Get-ChildItem $tdc -Recurse -Force -Directory |
            Sort-Object -Property FullName -Descending |
            Where-Object { $($_ | Get-ChildItem -Force | Select-Object -First 1).Count -eq 0 } |
            Remove-Item -Force
    - name: Upload files changed by dotnet format
      if: steps.dotnet-format-parse.outputs.has-changes == 'true'
      uses: actions/upload-artifact@v3
      with:
        name: dotnet-format-files
        path: ${{ github.workspace }}
    - name: Save workflow info
      run: |
        $hasChanges = [System.Convert]::ToBoolean("${{ steps.dotnet-format-parse.outputs.has-changes }}")

        $isPullRequest = "${{ github.event_name }}" -eq "pull_request"
        if($isPullRequest) {
          $body = @{
                    hasChanges = $hasChanges
                    workflow = "${{ github.workflow }}"
                    workflowUrl = "${{ env.WORKFLOW_RUN_URL }}"
                    prNumber = "${{ github.event.pull_request.number }}"
                    prBranchName = "${{ github.event.pull_request.head.ref }}"
                  }
        }
        else {
          $body = @{
                    hasChanges = $hasChanges
                    workflow = "${{ github.workflow }}"
                    workflowUrl = "${{ env.WORKFLOW_RUN_URL }}"
                  }
        }

        $bodyAsJson = $body | ConvertTo-Json
        $bodyAsJson > ${{ env.WORKFLOW_INFO_ARTIFACT_FILEPATH }}
        cat ${{ env.WORKFLOW_INFO_ARTIFACT_FILEPATH }}
    - name: Upload workflow info
      uses: actions/upload-artifact@v3
      with:
        name: dotnet-format-workflow-info
        path: ${{ env.WORKFLOW_INFO_ARTIFACT_FILEPATH }}
    - name: Log workflow
      run: |
        $hasChanges = [System.Convert]::ToBoolean("${{ steps.dotnet-format-parse.outputs.has-changes }}")
        if($hasChanges) {
          Write-Output "::warning title=dotnet format::dotnet format detected code guidelines violations. The files resulting from dotnet format have been published as a workflow artifact with the name: dotnet-format-files."
        }
        else {
          Write-Output "::notice title=dotnet format::dotnet format did NOT detect code guidelines violations."
        }