name: Build

on:
  workflow_call:
    secrets:
      CACHIX_AUTH_TOKEN:
        required: false
  pull_request:
    branches:
      - main
      - v[0-9]+
    paths:
      - .github/workflows/build.yaml
      - .github/actions/setup-nix/**
      - .github/scripts/**
      - .github/*
      - '*.nix'
      - nix/**
      - .cirrus.yml
      - cabal.project*
      - postgrest.cabal
      - stack.yaml*
      - '**.hs'
      - '!**.md'

concurrency:
  # Terminate all previous runs of the same workflow for pull requests
  group: build-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  static:
    name: Nix - Linux static
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      - name: Setup Nix Environment
        uses: ./.github/actions/setup-nix
        with:
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

      - name: Build static executable
        run: nix-build -A postgrestStatic
      - name: Save built executable as artifact
        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
        with:
          name: postgrest-linux-static-x64
          path: result/bin/postgrest
          if-no-files-found: error

      - name: Build Docker image
        run: nix-build -A docker.image --out-link postgrest-docker.tar.gz
      - name: Save built Docker image as artifact
        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
        with:
          name: postgrest-docker-x64
          path: postgrest-docker.tar.gz
          if-no-files-found: error


  macos:
    name: Nix - MacOS
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      - name: Setup Nix Environment
        uses: ./.github/actions/setup-nix
        with:
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      - name: Install gnu sed
        run: brew install gnu-sed

      - name: Build everything
        run: |
          # The --dry-run will give us a list of derivations to download from cachix and
          # derivations to build. We only take those that would have to be built and then build
          # those explicitly. This has the advantage that pure verification will not include
          # a download anymore, making it much faster. If something needs to be built, only
          # the dependencies required to do so will be downloaded, but not everything.
          nix-build --dry-run 2>&1 \
            | gsed -e '1,/derivations will be built:$/d' -e '/paths will be fetched/Q' \
            | xargs nix-build


  stack:
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Linux
            runs-on: ubuntu-latest
            cache: |
              ~/.stack
              .stack-work
            # no artifact for Linux, because we use the static build

          - name: MacOS
            runs-on: macos-latest
            cache: |
              ~/.stack
              .stack-work
            artifact: postgrest-macos-x64

          - name: Windows
            runs-on: windows-latest
            cache: |
              ~\AppData\Roaming\stack
              ~\AppData\Local\Programs\stack
              .stack-work
            deps: Add-Content $env:GITHUB_PATH $env:PGBIN
            artifact: postgrest-windows-x64

    name: Stack - ${{ matrix.name }}
    runs-on: ${{ matrix.runs-on }}
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      - name: Stack working files cache
        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
        with:
          path: ${{ matrix.cache }}
          key: stack-${{ runner.os }}-${{ hashFiles('stack.yaml.lock') }}
          restore-keys: |
            stack-${{ runner.os }}-
      - name: Install dependencies
        if: matrix.deps
        run: ${{ matrix.deps }}
      - name: Build with Stack
        run: stack build --lock-file error-on-write --local-bin-path result --copy-bins
      - name: Strip Executable
        run: strip result/postgrest*
      - name: Save built executable as artifact
        if: matrix.artifact
        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
        with:
          name: ${{ matrix.artifact }}
          path: |
            result/postgrest
            result/postgrest.exe
          if-no-files-found: error


  freebsd:
    name: Stack - FreeBSD from CirrusCI
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      - name: Get FreeBSD executable from CirrusCI
        env:
          # GITHUB_SHA does weird things for pull request, so we roll our own:
          GITHUB_COMMIT: ${{ github.event.pull_request.head.sha || github.sha }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: .github/get_cirrusci_freebsd
      - name: Save executable as artifact
        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
        with:
          name: postgrest-freebsd-x64
          path: postgrest
          if-no-files-found: error


  cabal:
    strategy:
      matrix:
        ghc: ['9.6.4', '9.8.2']
      fail-fast: false
    name: Cabal - Linux GHC ${{ matrix.ghc }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      - name: ghcup
        run: |
          # GHC 9.8.2 is not available in regular release channel, yet.
          ghcup config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/master/ghcup-vanilla-0.0.8.yaml
          ghcup install ghc ${{ matrix.ghc }}
          ghcup set ghc ${{ matrix.ghc }}
      - name: Fix caching
        run: |
          mkdir ~/.cabal
      - name: Cache
        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
        with:
          path: |
            ~/.cabal/packages
            ~/.cabal/store
            dist-newstyle
          key: cabal-${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('postgrest.cabal', 'cabal.project', 'cabal.project.freeze') }}
          restore-keys: |
            cabal-${{ runner.os }}-${{ matrix.ghc }}-
      - name: Install dependencies
        run: |
          cabal update
          cabal build --only-dependencies --enable-tests --enable-benchmarks
      - name: Build
        run: cabal build --enable-tests --enable-benchmarks all