dotnet-format.yml

#
# This workflow runs the dotnet formatter on all c-sharp code.
#

name: dotnet-format

on:
  workflow_dispatch:
  pull_request:
    branches: [ "main", "feature*" ]

jobs:
  check-format:
    runs-on: ubuntu-latest

    steps:
      - name: Check out code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          
      - name: Get changed files
        id: changed-files
        uses: jitterbit/get-changed-files@v1

      - name: No C# files changed
        id: no-csharp
        if: steps.changed-files.outputs.added_modified == ''
        run: echo "No C# files changed"

      # This step will loop over the changed files and find the nearest .csproj file for each one, then store the unique csproj files in a variable
      - name: Find csproj files
        id: find-csproj
        if: steps.changed-files.outputs.added_modified != ''
        run: |
          csproj_files=()
          for file in ${{ steps.changed-files.outputs.added_modified }}; do
            echo "$file was changed"
            dir="$GITHUB_WORKSPACE/$file"
            while [[ $dir != "." && $dir != "/" && $dir != $GITHUB_WORKSPACE ]]; do
              if find "$dir" -maxdepth 1 -name "*.csproj" -print -quit | grep -q .; then
                csproj_files+=("$(find "$dir" -maxdepth 1 -name "*.csproj" -print -quit)")
                break
              fi
              dir=$(dirname $dir)
            done
          done
          csproj_files=($(printf "%s\n" "${csproj_files[@]}" | sort -u))
          echo "Found ${#csproj_files[@]} unique csproj files: ${csproj_files[*]}"
          echo "::set-output name=csproj_files::${csproj_files[*]}"

      - name: Install dotnet-format tool
        if: steps.changed-files.outputs.added_modified != ''
        run: dotnet tool install -g dotnet-format

      # This step will run dotnet format on each of the unique csproj files and fail if any changes are made
      - name: Run dotnet format
        if: steps.changed-files.outputs.added_modified != ''
        run: |
          for csproj in ${{ steps.find-csproj.outputs.csproj_files }}; do
            echo "Running dotnet format on $csproj"
            dotnet format $csproj --verify-no-changes --verbosity detailed
          done