merge_changes.yml

name: Merge changes to all target branches

on: workflow_dispatch

jobs:
  get_avatar_branches:
    name: Get avatar branches
    uses: ./.github/workflows/get_target_branches.yml
    with:
      include_base: true
  check:
    name: Check if the specified branch is not avatar branch
    needs: get_avatar_branches
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.1
        with:
          fetch-depth: 0
      - name: Check if the specified branch is not avatar branch
        id: check_2
        run: echo is_avatar_branch=$(echo ${TARGET_BRANCHES} | jq "contains([\"${BRANCH_NAME}\"])") >> $GITHUB_OUTPUT
        env:
          TARGET_BRANCHES: ${{ needs.get_avatar_branches.outputs.target_branches }}
          BRANCH_NAME: ${{ github.ref_name }}
      - name: Output error
        if: ${{ steps.check_2.outputs.is_avatar_branch == 'true' }}
        run: |
          echo "::error::Cannot specify an avatar branch as a merge branch."
          exit 1
  merge_branch:
    name: Merge branch to avatar branches
    needs:
      - get_avatar_branches
      - check
    if: ${{ needs.check.result == 'success' }}
    runs-on: ubuntu-latest
    permissions:
      contents: write
    strategy:
      matrix:
        target_branch: ${{ fromJSON(needs.get_avatar_branches.outputs.target_branches) }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.1
        with:
          fetch-depth: 0
          ref: ${{ matrix.target_branch }}
      - name: Configure Git user
        run: |
          git remote set-url origin https://github-actions:${TOKEN}@github.com/${REPOSITORY}
          git config user.name github-actions[bot]
          git config user.email github-actions[bot]@users.noreply.github.com
        env:
          TOKEN: ${{ github.token }}
          REPOSITORY: ${{ github.repository }}
      - name: Check if readme templates have been changed (base)
        id: check_readme_changes_base
        if: ${{ matrix.target_branch == 'base' }}
        run: git diff --name-only origin/${MERGE_BRANCH} | grep -e '.github/README_templates/' -e '.github/readme_generator/' -e '.github/workflows/'
        env:
          MERGE_BRANCH: ${{ github.ref_name }}
        continue-on-error: true
      - name: Merge branch
        id: merge_branch
        run: git merge origin/${BRANCH_NAME}
        env:
          BRANCH_NAME: ${{ github.ref_name }}
        continue-on-error: true
      - name: Output error
        if: ${{ steps.merge_branch.outcome == 'failure' }}
        run: echo "::error::Failed to merge \"${MERGE_BRANCH}\" to \"${BASE_BRANCH}\" because of merge conflicts. You need to resolve conflicts manually."
        env:
          MERGE_BRANCH: ${{ github.ref_name }}
          BASE_BRANCH: ${{ matrix.target_branch }}
      - name: Push changes
        if: ${{ steps.merge_branch.outcome == 'success' }}
        run: git push origin
      - name: Check if readme templates have been changed
        id: check_readme_changes
        if: ${{ steps.merge_branch.outcome == 'success' }}
        run: |
          if [ ${BASE_BRANCH} = 'base' ]; then
            echo ${BASE_RESULT} | grep 'success'
          else
            git diff --name-only HEAD~ | grep -e '.github/README_templates/' -e '.github/readme_generator/' -e '.github/workflows/'
          fi
        env:
          BASE_RESULT: ${{ steps.check_readme_changes_base.outcome }}
          BASE_BRANCH: ${{ matrix.target_branch }}
        continue-on-error: true
      - name: Output readme status
        if: ${{ steps.merge_branch.outcome == 'success' && steps.check_readme_changes.outcome == 'success' }}
        run: |
          echo '{"generate_required": true}' > ./${BRANCH_NAME}.json
        env:
          BRANCH_NAME: ${{ matrix.target_branch }}
      - name: Output readme status
        if: ${{ steps.merge_branch.outcome != 'success' || steps.check_readme_changes.outcome != 'success' }}
        run: |
          echo '{"generate_required": false}' > ./${BRANCH_NAME}.json
        env:
          BRANCH_NAME: ${{ matrix.target_branch }}
      - name: Upload artifact
        uses: actions/upload-artifact@v4.3.3
        with:
          name: ${{ matrix.target_branch }}
          path: ./${{ matrix.target_branch }}.json
          retention-days: 1
  get_readme_array:
    name: Get array of branches that are required to generate readme
    needs: merge_branch
    runs-on: ubuntu-latest
    outputs:
      branch_array: ${{ steps.output_branch_array.outputs.branch_array }}
      branch_count: ${{ steps.output_branch_array.outputs.branch_count }}
    steps:
      - name: Prepare artifacts directory
        run: mkdir ./branches
      - name: Download artifacts
        uses: actions/download-artifact@v4.1.7
        with:
          path: ./branches
      - name: Get generate readme branch array
        run: |
          echo -n '[' > ./readme_array.json
          for file in $(ls ./branches); do
            result=$(cat ./branches/${file}/${file}.json | jq '.generate_required')
            if [ ${result} = 'true' ]; then
              echo "\"${file}\", " | sed -z 's/.json//g; s/\r//g; s/\n//g' >> ./readme_array.json
            fi
          done
          echo $(cat ./readme_array.json | sed 's/, $//g')] > ./readme_array.json
      - name: Output generate readme branch array
        id: output_branch_array
        run: |
          echo branch_array=$(<./readme_array.json) >> $GITHUB_OUTPUT
          echo branch_count=$(cat ./readme_array.json | jq length) >> $GITHUB_OUTPUT
  generate_readme:
    name: Generate readme
    needs: get_readme_array
    if: ${{ needs.get_readme_array.outputs.branch_count > 0 }}
    permissions:
      contents: write
    strategy:
      matrix:
        target_branch: ${{ fromJSON(needs.get_readme_array.outputs.branch_array) }}
    uses: ./.github/workflows/generate_readme_core.yml
    with:
      branch-name: ${{ matrix.target_branch }}