update-node.yml

name: Update Node
on:
  push:
    branches: main
    paths: .github/workflows/update-node.yml
  schedule:
    - cron: '0 15 * * 1-5'
  workflow_dispatch:
permissions:
  contents: read
concurrency: update-node
jobs:
  update-node:
    name: Update Node
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Checkout
        uses: actions/checkout@v4.2.2
      - name: Determine info
        shell: bash
        id: info
        run: |
          OLD_VERSION=$(<.nvmrc)
          NEW_VERSION=$(curl -sSf https://resolve-node.vercel.app/lts)
          NEW_VERSION=${NEW_VERSION#'v'}
          UPDATE_TITLE="chore(node): bump from $OLD_VERSION to $NEW_VERSION"
          UPDATE_BODY="Bump Node from $OLD_VERSION to $NEW_VERSION."
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "update-title=$UPDATE_TITLE" >> $GITHUB_OUTPUT
          echo "update-body=$UPDATE_BODY" >> $GITHUB_OUTPUT
      - name: Update .nvmrc
        run: echo "$NODE_VERSION" > .nvmrc
        env:
          NODE_VERSION: ${{steps.info.outputs.version}}
      - name: Generate app token
        id: app-token
        uses: actions/create-github-app-token@v1.11.1
        with:
          app-id: ${{secrets.GH_APP_ID}}
          private-key: ${{secrets.GH_APP_PRIVATE_KEY}}
      - name: Generate user info
        id: user-info
        run: |
          USER_NAME="$GH_APP_SLUG[bot]"
          USER_ID=$(gh api "/users/$USER_NAME" --jq .id)
          USER_EMAIL="$USER_ID+$USER_NAME@users.noreply.github.com"
          echo "id=$USER_ID" >> $GITHUB_OUTPUT
          echo "name=$USER_NAME" >> $GITHUB_OUTPUT
          echo "email=$USER_ID+$USER_NAME@users.noreply.github.com" >> $GITHUB_OUTPUT
          echo "commit-author=$USER_NAME <$USER_EMAIL>" >> $GITHUB_OUTPUT
        env:
          GH_APP_SLUG: ${{steps.app-token.outputs.app-slug}}
          GH_TOKEN: ${{steps.app-token.outputs.token}}
      - name: Handle changes
        uses: peter-evans/create-pull-request@v7.0.6
        id: changes
        with:
          token: ${{steps.app-token.outputs.token}}
          commit-message: ${{steps.info.outputs.update-title}}
          author: ${{steps.user-info.outputs.commit-author}}
          committer: ${{steps.user-info.outputs.commit-author}}
          add-paths: .nvmrc
          branch: auto/update-node
          delete-branch: true
          title: ${{steps.info.outputs.update-title}}
          body: ${{steps.info.outputs.update-body}}
          labels: auto,dependencies
      - name: Enable auto-merge
        if: steps.changes.outputs.pull-request-operation == 'created'
        run: gh pr merge --auto --rebase "$PULL_REQUEST_URL"
        env:
          PULL_REQUEST_URL: ${{steps.changes.outputs.pull-request-url}}
          GITHUB_TOKEN: ${{steps.app-token.outputs.token}}