deploy-clojars.yml

name: Deploy to Clojars

on:
  push:
    branches:
      - master

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2
      with:
        fetch-depth: 0  # Fetch all history

    - name: Set up JDK
      uses: actions/setup-java@v3
      with:
        distribution: 'temurin'
        java-version: '11'

    - name: Install Leiningen
      run: |
        curl https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein > lein
        chmod a+x lein
        sudo mv lein /usr/local/bin/

    - name: Check for changes and SNAPSHOT
      id: check_changes
      run: |
        changed_libs=()
        for dir in $(find . -name 'project.clj' -exec dirname {} \;); do
          if git diff --quiet HEAD~1 HEAD -- $dir; then
            echo "No changes in $dir"
          else
            if grep -q SNAPSHOT $dir/project.clj; then
              echo "SNAPSHOT version in $dir, skipping deployment"
            else
              echo "Changes detected in $dir and no SNAPSHOT version"
              changed_libs+=($dir)
            fi
          fi
        done
        echo "changed_libs=${changed_libs[@]}" >> $GITHUB_ENV

    - name: Deploy changed libs
      if: ${{ env.changed_libs != '' }}
      run: |
        IFS=' ' read -r -a libs <<< "${{ env.changed_libs }}"
        for lib in "${libs[@]}"; do
          echo "Deploying $lib"
          cd $lib
          lein deploy clojars
          cd ..
        done
      env:
        CLOJARS_USERNAME: ${{ secrets.CLOJARS_USERNAME }}
        CLOJARS_PASSWORD: ${{ secrets.CLOJARS_PASSWORD }}