code/.github/workflows/build.yml at main · PostHog/code · GitHub

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name: Build

on:
  pull_request:

concurrency:
  group: build-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

jobs:
  changes:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read
    outputs:
      code: ${{ steps.filter.outputs.code }}
      workflow: ${{ steps.filter.outputs.workflow }}
    steps:
      - name: Detect relevant changes
        id: filter
        uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4.0.1
        with:
          predicate-quantifier: every
          filters: |
            # Wider excludes than code-quality.yml, which keeps .github/scripts
            # and .vscode/.claude in scope because Biome lints them.
            code:
              - "!**/*.md"
              - "!docs/**"
              - "!.github/**"
              - "!.vscode/**"
              - "!.claude/**"
              - "!.husky/**"
              - "!LICENSE"
              - "!.gitignore"
              - "!.env.example"
            workflow:
              - ".github/workflows/build.yml"

  build:
    needs: changes
    # Fail closed: if change detection itself failed, run instead of skipping.
    if: ${{ !cancelled() && (needs.changes.result != 'success' || needs.changes.outputs.code == 'true' || needs.changes.outputs.workflow == 'true') }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false

      - name: Setup pnpm
        uses: pnpm/action-setup@0ebf47130e4866e96fce0953f49152a61190b271 # v6.0.9

      - name: Setup Node.js
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: 22
          cache: "pnpm"

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build electron-trpc
        run: pnpm --filter @posthog/electron-trpc build

      - name: Build platform
        run: pnpm --filter @posthog/platform build

      - name: Build shared
        run: pnpm --filter @posthog/shared build

      - name: Build git
        run: pnpm --filter @posthog/git build

      - name: Build enricher
        run: pnpm --filter @posthog/enricher build

      - name: Build agent
        run: pnpm --filter agent build

      - name: Build code
        run: pnpm --filter code build