name: Build and test

on:
  pull_request:
    branches: [main]
  push:
    branches: [main, "ci-01*"]
  workflow_dispatch:

permissions:
  contents: read

# docs/build_guide/config is the single source of truth for PG_CONFIG,
# SVS_INSTALL_DIR and every other dependency install path; nothing here
# overrides them.

jobs:
  build-and-test:
    strategy:
      fail-fast: false
      matrix:
        include:
          - runner: ubuntu-22.04
            cc: gcc-11
            cxx: g++-11
            pg_version: REL_18_1
            run_tap: false
          - runner: ubuntu-24.04
            cc: gcc
            cxx: g++
            pg_version: REL_18_1
            run_tap: true
    runs-on: ${{ matrix.runner }}
    env:
      CC: ${{ matrix.cc }}
      CXX: ${{ matrix.cxx }}
      # This job needs TAP support and injection points for its own test
      # suites, unlike codeql.yml's build (which never runs tests); baking
      # the flags into the cache key below means a flag change invalidates
      # the cache instead of silently reusing a non-TAP-enabled install.
      PG_CONFIGURE_EXTRA_ARGS: "--enable-tap-tests --enable-injection-points"
    steps:
      - uses: actions/checkout@v4

      - name: Install compiler package (non-default only)
        if: matrix.cc != 'gcc'
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y --no-install-recommends "${{ matrix.cc }}" "${{ matrix.cxx }}"

      # docs/build_guide's own scripts write to fixed paths under
      # docs/build_guide/ (pgsql_install, svs_install); this cache key is
      # matrix-based and keyed on our own configure flags, distinct in shape
      # from codeql.yml's single 'svs-deps-...' key, so there is no collision
      # between the two workflows' caches even though both cache the same
      # directories.
      - name: Cache PostgreSQL install
        uses: actions/cache@v4
        with:
          path: docs/build_guide/pgsql_install
          key: pg-${{ matrix.runner }}-${{ matrix.cc }}-${{ matrix.pg_version }}-${{ env.PG_CONFIGURE_EXTRA_ARGS }}-${{ hashFiles('docs/build_guide/config', 'docs/build_guide/install_postgres.sh') }}-v1

      - name: Cache SVS install
        uses: actions/cache@v4
        with:
          path: docs/build_guide/svs_install
          key: svs-${{ matrix.runner }}-${{ matrix.cc }}-${{ hashFiles('docs/build_guide/config', 'docs/build_guide/build_svs.sh') }}-v1

      - name: deps
        run: ci/build_and_test.sh deps

      - name: build-postgres
        run: ci/build_and_test.sh build-postgres

      - name: build-svs
        run: ci/build_and_test.sh build-svs

      - name: build-pgvector
        run: ci/build_and_test.sh build-pgvector

      - name: build-extension
        run: ci/build_and_test.sh build-extension

      - name: build-modules
        run: ci/build_and_test.sh build-modules

      - name: hardening-check
        run: ci/build_and_test.sh hardening-check

      - name: test-sql
        run: ci/build_and_test.sh test-sql

      - name: test-tap
        if: matrix.run_tap
        run: ci/build_and_test.sh test-tap
        env:
          PROVE_FLAGS: -j2

      - name: Upload failure artifacts
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: test-results-${{ matrix.runner }}
          path: |
            regression.diffs
            regression.out
            results/
            tmp_check/log/
            log/
            ci/.workdir/postgres.log
          if-no-files-found: ignore
          retention-days: 7