GitHub Pull Request → Campsite Post (via GitHub Actions)

campsite.yml

name: "🏕️ Campsite"

on:
  pull_request:
    types: [opened]
    branches: [ "main" ]

jobs:
  notify-campsite:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Install GitHub CLI
        run: |
          curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | sudo dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg
          echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list > /dev/null
          sudo apt update
          sudo apt install gh

      - name: Get PR commits and authors
        id: get-pr-info
        run: |
          commits=$(gh pr view ${{ github.event.pull_request.number }} --json commits --jq '.commits[] | "- " + (.messageHeadline | sub("\\n.*"; "")) + " ([" + (.oid | .[0:7]) + "](" + .url + "))"' | jq -Rs .)
          echo "commits=$commits" >> $GITHUB_OUTPUT
          
          authors=$(gh pr view ${{ github.event.pull_request.number }} --json commits --jq '[.commits[].authors[].login] | unique | join(" ")' | tr '[:lower:]' '[:upper:]')
          mentions=""
          for author in $authors; do
            case $author in
              GH_USERNAME_1) mentions="$mentions <@CAMPSITE_USERNAME_1>";;
              GH_USERNAME_2) mentions="$mentions <@CAMPSITE_USERNAME_2>";;
            esac
          done
          echo "mentions=$mentions" >> $GITHUB_OUTPUT
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Format contributors
        id: format-contributors
        run: |
          mentions="${{ steps.get-pr-info.outputs.mentions }}"
          formatted_mentions=$(echo "$mentions" | tr ' ' '\n' | sed '/^$/d; s/^/- /')
          echo "formatted_mentions<<EOF" >> $GITHUB_OUTPUT
          echo "$formatted_mentions" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Create Campsite Post
        uses: campsite/[email protected]
        with:
          api_key: ${{ secrets.CAMPSITE_API_KEY }}
          action_type: create_post
          title: "New Release: ${{ github.event.pull_request.title }}" 
          content: |
            A new pull request has been opened targeting `${{ github.base_ref }}`. [View on GitHub →](${{ github.event.pull_request.html_url }})

            ## Commits in this PR:
            ${{ fromJson(steps.get-pr-info.outputs.commits) }}

            ## Contributors:
            ${{ steps.format-contributors.outputs.formatted_mentions }}
          channel_id: "CAMPSITE_CHANNEL_ID"