update_readme.yml

---
name: Update README

on:
    push:
        branches: [main]

permissions:
    contents: write

jobs:
    count_code_line:
        name: Count Code Line
        runs-on: ubuntu-latest
        outputs:
            count: ${{ steps.cnt.outputs.line_count }}
        steps:
            - name: Checkout Code
              uses: actions/checkout@v4

            - id: cnt
              run: |
                  line_count=$(find . -regex ".*/src/.*\.java" | xargs cat | wc -l)
                  echo "$line_count lines of code"
                  echo "line_count=$line_count" >> "$GITHUB_OUTPUT"

    update_readme:
        name: Update README
        runs-on: ubuntu-latest
        needs: [count_code_line]
        steps:
            - name: Checkout Code
              uses: actions/checkout@v4
              with:
                  fetch-depth: 2

            - name: Update README
              run: |
                  echo "${{ needs.count_code_line.outputs.count }} lines of code"
                  echo "\`\`\`" > README.md
                  echo "Java Line Count: ${{ needs.count_code_line.outputs.count }}" >> README.md
                  echo "\`\`\`" >> README.md


            - name: Get Last Commit Message
              id: last-commit
              run: |
                echo "message=$(git log -1 --pretty=%s)" >> $GITHUB_OUTPUT
                echo "author=$(git log -1 --pretty=\"%an <%ae>\")" >> $GITHUB_OUTPUT
                echo "$message"
                echo "$author"

            - uses: stefanzweifel/git-auto-commit-action@v5
              with:
                  commit_author: ${{ steps.last-commit.outputs.author }}
                  commit_message: ${{ steps.last-commit.outputs.message }}
                  commit_options: '--amend --no-edit'
                  push_options: '--force'
                  skip_fetch: true
                  file_pattern: '*.md'
                  disable_globbing: true