first-time-setup.yaml

name: first-time-setup
run-name: first time setup of repo

on:
  # run if user manually requests it
  workflow_dispatch:

permissions:
  contents: write

jobs:
  first-time-setup:
    runs-on: ubuntu-latest

    steps:
      # for debugging
      - name: Print contexts
        uses: crazy-max/ghaction-dump-context@v1

      - name: Create Pages branch
        uses: peterjgrainger/action-create-branch@v2.4.0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          branch: "gh-pages"

      - name: Checkout Pages branch
        uses: actions/checkout@v3
        with:
          ref: gh-pages

      # clean slate, as if starting from orphan branch
      - name: Clear Pages branch
        run: rm -rf * .github .docker .gitignore

      # prevent GitHub from running Jekyll a second time after build
      - name: Make .nojekyll file
        run: touch .nojekyll

      - name: Make placeholder homepage
        run: echo "Placeholder homepage" > index.html

      - name: Commit changes to Pages branch
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          branch: gh-pages
          commit_message: "Clear branch"

      - name: Checkout main branch
        uses: actions/checkout@v3

      - name: Remove files user doesn't need
        run: |
          rm -rf \
            CHANGELOG.md \
            testbed.md \
            .github/ISSUE_TEMPLATE \
            .github/workflows/versioning.yaml \
            .github/pull_request_template.md \
      
      - name: Rename files
        run: |
          mv .github/user_pull_request_template.md .github/pull_request_template.md

      - name: Set vars for personalization
        run: |
          user="${{ github.repository_owner }}"
          description="."
          echo "USER=${user}" >> $GITHUB_ENV
          echo "DESCRIPTION=${description}" >> $GITHUB_ENV

      - name: Personalize readme for user
        run: |
          echo "
          # ${{ env.USER }}'s Website

          Visit **[website url](#)** 🚀

          _Built with [Lab Website Template](https://greene-lab.gitbook.io/lab-website-template-docs)_
          " > README.md

      - name: Personalize Jekyll config for user
        uses: actions/github-script@v6
        with:
          script: |
            const { readFileSync, writeFileSync } = require("fs");
            const file = "_config.yaml";
            const contents = readFileSync(file)
              .toString()
              .replace(/(^title: ).*$/m, "$1${{ env.USER }}")
              .replace(/(^subtitle: ).*$/m, "$1")
              .replace(/(^description: ).*$/m, "$1${{ env.DESCRIPTION }}")
              .replace(/(^  email: ).*$/m, "$1contact@${{ env.USER }}.com")
              .replace(/(^  github: ).*$/m, "$1${{ env.USER }}")
              .replace(/(^  twitter: ).*$/m, "$1${{ env.USER }}")
              .replace(/(^  youtube: ).*$/m, "$1${{ env.USER }}");
            writeFileSync(file, contents);

      - name: Personalize homepage for user
        uses: actions/github-script@v6
        with:
          script: |
            const { readFileSync, writeFileSync } = require("fs");
            const file = "index.md";
            let contents = readFileSync(file).toString();
            const find = /\# Lab Website Template[\s\S]+({% include section\.html)/;
            const replace = `# ${{ env.USER }}'s Website\n\n${{ env.DESCRIPTION }}\n\n$1`;
            contents = contents.replace(find, replace);
            writeFileSync(file, contents);

      - name: Commit changed files
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: "Setup repo"