ktlint.yml

name: Kotlin-Linter

on:
  pull_request:

jobs:
  ktlint:
    runs-on: macos-latest
    steps:
      - name: Get changed files
        id: changes
        run: |
          URL="https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files"
          RESPONSE=$(curl -s -X GET -G $URL --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}')
          CHANGED_KOTLIN_FILES=$(echo $RESPONSE | jq -r '.[] | .filename' | grep -E "\.kt$" | tr \'\\n\' ' ' | sed 's/^[ \t]*//;s/[ \t]*$//')
          echo "Changed Kotlin files: ${CHANGED_KOTLIN_FILES}"
          echo "changed_kotlin_files=${CHANGED_KOTLIN_FILES}" >> $GITHUB_ENV

      - name: "checkout"
        if: env.changed_kotlin_files != ''
        uses: actions/checkout@v4

      - name: Install ktlint
        if: env.changed_kotlin_files != ''
        run: |
          curl -sSLO https://github.com/pinterest/ktlint/releases/download/0.50.0/ktlint && chmod a+x ktlint && sudo mv ktlint /usr/local/bin/

      - name: run ktlint
        if: env.changed_kotlin_files != ''
        run: |
          ktlint . '!**/build/**'