roc/.github/workflows/ci_zig.yml

on:
  workflow_call:

name: CI New Compiler

jobs:
    check-zig:
        runs-on: ubuntu-22.04
        steps:
            - name: Checkout
              uses: actions/checkout@v4
            - uses: mlugg/setup-zig@v1
              with:
                version: 0.14.0

            - name: zig lints
              run: |
                ./ci/zig_lints.sh

                zig build check-fmt

            - name: zig check
              run: |
                # -Dllvm incurs a costly download step, leave that for later.
                # Just the do super fast check step for now.
                zig build check -Dfuzz

    zig-tests:
        needs: check-zig
        runs-on: ${{ matrix.os }}
        strategy:
            fail-fast: false
            matrix:
                os: [macos-13, macos-14, ubuntu-22.04, ubuntu-24.04-arm, windows-2022] # macos-13 uses x64, macos-14 uses arm64
        steps:
            - name: Checkout
              uses: actions/checkout@v4
            - uses: mlugg/setup-zig@v1
              with:
                version: 0.14.0

            - name: build roc
              run: |
                zig build -Dllvm -Dfuzz

            - name: roc executable minimal check (Unix)
              if: runner.os != 'Windows'
              run: |
                ./zig-out/bin/roc -h | grep -q "Usage:"

            - name: roc executable minimal check (Windows)
              if: runner.os == 'Windows'
              run: |
                zig-out\bin\roc.exe -h | findstr "Usage:"

            - name: zig tests
              run: |
                zig build test -Dllvm -Dfuzz

            - name: zig snapshot tests
              run: zig build snapshot

            - name: Check for snapshot changes
              run: |
                git diff --exit-code src/snapshots || {
                  echo ""
                  echo ""
                  echo "OOPS! It looks like the snapshots in 'src/snapshots' have changed.";
                  echo "Please run 'zig build snapshot' locally, review the updates, and commit the changes.";
                  echo "Here’s what changed:";
                  echo ""
                  git diff src/snapshots;
                  exit 1;
                }

            - name: check if statically linked (ubuntu)
              if: startsWith(matrix.os, 'ubuntu')
              run: |
                file ./zig-out/bin/roc | grep "statically linked"

            - name: check if statically linked (macOS)
              if: startsWith(matrix.os, 'macos')
              run: |
                otool_out="$(otool -L ./zig-out/bin/roc)"
                num_lines=$(echo "$otool_out" | wc -l)
                if [ "$num_lines" -ne 2 ]; then
                  echo "$otool_out"
                  echo "Looks like you added a new dynamic dependency to the Roc executable, we want Roc to be super easy to install, so libSystem should be the only dynamic dependency."
                  exit 1
                fi

            - name: check if statically linked (Windows)
              if: startsWith(matrix.os, 'windows')
              run: |
                $imports = (Get-Command zig-out\bin\roc.exe).FileVersionInfo.ImportCharacterSet
                if ($imports) {
                    echo "Looks like the executable has dynamic dependencies. We want Roc to be super easy to install, so it should be statically linked."
                    echo "Dynamic dependencies found:"
                    $imports | ForEach-Object { echo "  $_" }
                    exit 1
                }

    zig-cross-compile:
        needs: check-zig
        runs-on: ubuntu-24.04
        strategy:
            fail-fast: false
            matrix:
                target:
                - aarch64-linux-musl
                - aarch64-macos-none
                - aarch64-windows-gnu
                - arm-linux-musleabihf
                - x86-linux-musl
                - x86_64-linux-musl
                - x86_64-macos-none
                - x86_64-windows-gnu

        steps:
            - name: Checkout
              uses: actions/checkout@v4
            - uses: mlugg/setup-zig@v1
              with:
                version: 0.14.0

            - name: cross compile with llvm
              run: |
                zig build -Dtarget=${{ matrix.target }} -Dllvm