auto-context.yml

name: "auto-context"
on:
  schedule:
  # Update context.tf nightly
  - cron:  '0 3 * * *'

jobs:
  update:
    if: github.event_name == 'schedule'
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2

    - name: Find default branch name
      id: defaultBranch
      shell: bash
      env:
        GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
      run: |
        default_branch=$(gh repo view --json defaultBranchRef --jq .defaultBranchRef.name)
        echo "defaultBranch=${default_branch}" >> "$GITHUB_OUTPUT"
        printf "defaultBranchRef.name=%s\n" "${default_branch}"

    - name: Update context.tf
      shell: bash
      id: update
      env:
        GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
      run: |
        if [[ -f context.tf ]]; then
          echo "Discovered existing context.tf! Fetching most recent version to see if there is an update."
          curl -o context.tf -fsSL https://raw.githubusercontent.com/cloudposse/terraform-null-label/master/exports/context.tf
          if git diff --no-patch --exit-code context.tf; then
            echo "No changes detected! Exiting the job..."
          else
            echo "context.tf file has changed. Update examples and rebuild README.md."
            make init
            make github/init/context.tf
            make readme/build
            echo "create_pull_request=true" >> "$GITHUB_OUTPUT"
          fi
        else
          echo "This module has not yet been updated to support the context.tf pattern! Please update in order to support automatic updates."
        fi

    - name: Create Pull Request
      if: steps.update.outputs.create_pull_request == 'true'
      uses: cloudposse/actions/github/create-pull-request@0.30.0
      with:
        token: ${{ secrets.REPO_ACCESS_TOKEN }}
        committer: 'cloudpossebot <11232728+cloudpossebot@users.noreply.github.com>'
        author: 'cloudpossebot <11232728+cloudpossebot@users.noreply.github.com>'
        commit-message: Update context.tf from origin source
        title: Update context.tf
        body: |-
          ## what
          This is an auto-generated PR that updates the `context.tf` file to the latest version from `cloudposse/terraform-null-label`

          ## why
          To support all the features of the `context` interface.

        branch: auto-update/context.tf
        base: ${{ steps.defaultBranch.outputs.defaultBranch }}
        delete-branch: true
        labels: |
          auto-update
          context