nix.yaml

---
name: Nix

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
    paths-ignore:
      - 'docs/**'

permissions: read-all

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  nix-bazel:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-24.04, macos-13, macos-14]
    name: Bazel Dev / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    timeout-minutes: 45
    steps:
      - name: Checkout
        uses: >- # v4.1.1
          actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11

      - name: Install Nix
        uses: >- # v10
          DeterminateSystems/nix-installer-action@de22e16c4711fca50c816cc9081563429d1cf563

      - name: Free disk space
        uses: >- # v2.0.0
          endersonmenezes/free-disk-space@3f9ec39ebae520864ac93467ee395f5237585c21
        with:
          remove_android: true
          remove_dotnet: true
          remove_haskell: true
          remove_tool_cache: false

      - name: Cache Nix derivations
        uses: >- # v4
          DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41

      # TODO(aaronmondal): Figure out why this cache breaks CI.
      # See: https://github.com/TraceMachina/nativelink/issues/772
      # - name: Mount bazel cache
      #   uses: >- # v4.0.1
      #     actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319
      #   with:
      #     path: "~/.cache/bazel"
      #     key: ${{ runner.os }}-bazel-nix

      - name: Invoke Bazel build in Nix shell
        run: |
          if [ "$RUNNER_OS" == "Linux" ]; then
            nix develop --impure --command \
            bash -c "bazel test ... --verbose_failures"
          elif [ "$RUNNER_OS" == "macOS" ]; then
            nix develop --impure --command \
            bash -c "bazel test //... --verbose_failures"
          else
            echo "Unsupported runner OS: $RUNNER_OS"
            exit 1
          fi
        shell: bash

  nix-cargo:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04, macos-13]
    name: Cargo Dev / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    timeout-minutes: 45
    steps:
      - name: Checkout
        uses: >- # v4.1.1
          actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11

      - name: Install Nix
        uses: >- # v10
          DeterminateSystems/nix-installer-action@de22e16c4711fca50c816cc9081563429d1cf563

      - name: Free disk space
        uses: >- # v2.0.0
          endersonmenezes/free-disk-space@3f9ec39ebae520864ac93467ee395f5237585c21
        with:
          remove_android: true
          remove_dotnet: true
          remove_haskell: true
          remove_tool_cache: false

      - name: Delete Applications and Simulators to free up disk space
        if: contains(matrix.os, 'macos')
        run: |
          echo "Deleting Applications"
          sudo rm -rf ~/Applications/*
          echo "Deleting all iOS simulators"
          xcrun simctl delete all
          echo "Deleting iOS Simulator caches"
          sudo rm -rf ~/Library/Developer/CoreSimulator/Caches/*

      - name: Cache Nix derivations
        uses: >- # v4
          DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41

      - name: Invoke Cargo build in Nix shell
        run: >
          nix develop --impure --command
          bash -c "cargo test --all --profile=smol"

  installation:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04, macos-13, macos-14]
    name: Installation / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    timeout-minutes: 45
    steps:
      - name: Checkout
        uses: >- # v4.1.1
          actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11

      - name: Install Nix
        uses: >- # v10
          DeterminateSystems/nix-installer-action@de22e16c4711fca50c816cc9081563429d1cf563

      - name: Free disk space
        uses: >- # v2.0.0
          endersonmenezes/free-disk-space@3f9ec39ebae520864ac93467ee395f5237585c21
        with:
          remove_android: true
          remove_dotnet: true
          remove_haskell: true
          remove_tool_cache: false

      - name: Delete Applications and Simulators to free up disk space
        if: contains(matrix.os, 'macos')
        run: |
          echo "Deleting Applications"
          sudo rm -rf ~/Applications/*
          echo "Deleting all iOS simulators"
          xcrun simctl delete all
          echo "Deleting iOS Simulator caches"
          sudo rm -rf ~/Library/Developer/CoreSimulator/Caches/*

      - name: Cache Nix derivations
        uses: >- # v4
          DeterminateSystems/magic-nix-cache-action@fc6aaceb40b9845a02b91e059ec147e78d1b4e41

      - name: Test nix run
        run: |
          nix run -L .#nativelink-is-executable-test