auto-respond-pr.yml

name: Auto Respond to PR

on:
    pull_request:
        types:
            - opened
            - synchronize
        paths:
            - '**.json'
            - '**.js'
            - '**.yml'

jobs:
    auto_respond:
        runs-on: ubuntu-latest

        steps:
            - name: Create comment
              if: github.event.action == 'opened'
              uses: peter-evans/create-or-update-comment@v4
              with:
                  issue-number: ${{ github.event.pull_request.number }}
                  body: |
                      Don't forget to add an individual *reviewer* (in addition to those already added, this should create a task for them in Asana).
                          - The best reviewer is most likely a feature or platform owner.
                          - If they've got permission to approve, you're good to merge. [See CODEOWNERS](https://github.com/duckduckgo/privacy-configuration/blob/main/CODEOWNERS)
                          - As a fallback the Global owners are:
                              - [Breakage AOR](https://github.com/orgs/duckduckgo/teams/breakage-aor)
                              - [Breakage triagers](https://github.com/orgs/duckduckgo/teams/breakage)
                              - [Config AOR](https://github.com/orgs/duckduckgo/teams/config-aor)
                      Please mark this as draft unless there's intention to merge this.
                      Click the "Merge When Ready" if you're happy for this to automatically get merged once reviewed.
                          - If the option isn't available to you; ensure you've signed into DuckDuckGo oauth.
                      Also don't forget to add schema changes to validate if you're adding/changing a feature.

                      -   [Config Reviewer Documentation](https://app.asana.com/0/1200890834746050/1204443212791216/f)
                      -   [Config Maintainer Documentation](https://app.asana.com/0/1200890834746050/1200573250322769/f)
                      -   [Feature Implementer Documentation](https://app.asana.com/0/1200890834746050/1201498956177210/f)

            - name: Checkout base branch
              uses: actions/checkout@v4
              with:
                  ref: ${{ github.event.pull_request.base.ref }}
                  repository: ${{ github.event.pull_request.head.repo.full_name }}
                  path: base

            - name: Checkout PR branch
              uses: actions/checkout@v4
              with:
                  ref: ${{ github.event.pull_request.head.ref }}
                  repository: ${{ github.event.pull_request.head.repo.full_name }}
                  path: pr
                  fetch-depth: 0

            - name: Install dependencies
              run: |
                  npm install diff

            - name: Run build script on base branch
              run: |
                  cd base
                  npm install
                  node index.js
                  cd ..

            - name: Run build script on PR branch
              run: |
                  cd pr
                  git config --global user.email "dax@duck.com"
                  git config --global user.name "dax"
                  git rebase -X theirs origin/${{ github.event.pull_request.base.ref }}
                  npm install
                  node index.js
                  cd ..

            - name: Create diff of file outputs
              run: node pr/.github/scripts/diff-directories.js base/generated pr/generated > diff_output.txt

            - name: Find Previous Comment
              uses: peter-evans/find-comment@v3
              id: find_comment
              with:
                  issue-number: ${{ github.event.pull_request.number }}
                  comment-author: 'github-actions[bot]'
                  body-includes: 'Generated file outputs'
                  direction: last

            - name: Create Comment Body
              uses: actions/github-script@v7
              id: create_body
              with:
                  github-token: ${{ secrets.GITHUB_TOKEN }}
                  script: |
                      const fs = require('fs');
                      const prNumber = context.issue.number;
                      const diffOutput = fs.readFileSync('diff_output.txt', 'utf8');
                      let commentBody = `
                      ### Generated file outputs:
                      *Time updated:* ${new Date().toUTCString()}
                      ${diffOutput}
                      `
                      if (commentBody.length > 65536) {
                          commentBody = '❌ Generated diff output is too large to post as a comment, run locally to see the diff and validate'
                      }
                      core.setOutput('comment_body', commentBody);

            - name: Create, or Update the Comment
              uses: peter-evans/create-or-update-comment@v4
              with:
                  issue-number: ${{ github.event.pull_request.number }}
                  comment-id: ${{ steps.find_comment.outputs.comment-id }}
                  body: ${{ steps.create_body.outputs.comment_body }}
                  edit-mode: replace