name: Cross

on:
  workflow_call:
    inputs:
      ref:
        description: "Git ref to checkout"
        required: false
        type: string

permissions:
  contents: read

jobs:
  cross-linux:
    name: Cross - ${{ matrix.target }}
    runs-on: ubuntu-24.04
    timeout-minutes: 45
    env:
      CARGO_INCREMENTAL: 0
    strategy:
      matrix:
        target:
          - x86_64-unknown-linux-gnu
          - x86_64-unknown-linux-musl
          - aarch64-unknown-linux-gnu
          - aarch64-unknown-linux-musl
          - armv7-unknown-linux-gnueabihf
          - armv7-unknown-linux-musleabihf
          - arm-unknown-linux-gnueabi
          - arm-unknown-linux-musleabi
    steps:
      - name: Checkout branch
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          ref: ${{ inputs.ref }}

      - uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        name: Cache Cargo registry + index
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-

      - run: echo "::add-matcher::.github/matchers/rust.json"
      - run: |
          rustup target add x86_64-unknown-linux-gnu
          cargo install cross --version 0.2.4 --force --locked
      # Why is this build, not check? Because we need to make sure the linking phase works.
      # aarch64 and musl in particular are notoriously hard to link.
      # While it may be tempting to slot a `check` in here for quickness, please don't.
      - run: make cross-build-${{ matrix.target }}
      - uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
        with:
          name: "vector-debug-${{ matrix.target }}"
          path: "./target/${{ matrix.target }}/debug/vector"