name: "Build Rust Projects with Cross"
author: "Dave Rolsky <autarch@urth.org>"
branding:
  icon: home
  color: gray-dark
description: |
  Cross compile your Rust projects with cross (https://github.com/cross-rs/cross).
inputs:
  command:
    description: |
      The commands to run (one of "build", "test", or "both").
    default: build
  target:
    description: The target platform
    required: true
  GITHUB_TOKEN:
    description: |
      A GitHub token, available in the secrets.GITHUB_TOKEN context variable.
    default: ${{ github.token }}
  args:
    description: |
      The arguments to be passed to cross or cargo when building, as a
      space-separated string.
    default: ""
  strip:
    description: Strip the compiled binary
    default: false
runs:
  using: composite
  steps:
    - name: Add this action's path to PATH
      shell: bash
      run: echo "${{ github.action_path }}" >> $GITHUB_PATH
    - name: Determine whether we need to cross-compile
      id: determine-cross-compile
      shell: bash
      run: set-cross-compile.sh ${{ inputs.target }}
    - name: Install toolchain if not cross-compiling
      uses: dtolnay/rust-toolchain@stable
      with:
        targets: ${{ matrix.platform.target }}
      if: ${{ steps.determine-cross-compile.outputs.needs-cross == 'false' }}
    - name: Install cross if cross-compiling (*nix)
      shell: bash
      run: install-cross-nix.sh
      if: ${{ steps.determine-cross-compile.outputs.needs-cross == 'true' && runner.os != 'Windows' }}
      env:
        GITHUB_TOKEN: ${{ inputs.GITHUB_TOKEN }}
    - name: Install cross if cross-compiling (Windows)
      shell: powershell
      run: install-cross-windows.ps1
      if: ${{ steps.determine-cross-compile.outputs.needs-cross == 'true' && runner.os == 'Windows' }}
      env:
        GITHUB_TOKEN: ${{ inputs.GITHUB_TOKEN }}
    - name: Set build command
      id: set-build-command
      shell: bash
      run: set-build-command.sh
    - name: Run tests (*nix)
      shell: bash
      run: |
        ${{ steps.set-build-command.outputs.build-command }} test ${{ inputs.args }} --target ${{ inputs.target }}
      if: ${{ inputs.command != 'build' && runner.os != 'Windows' }}
    # We want to run in Powershell on Windows to make sure we compile in a
    # native Windows environment. Some things won't compile properly under
    # msys, notably OpenSSL, which is compiled locally when using the
    # `openssl` crate with the `vendored` feature.
    - name: Run tests (Windows)
      shell: powershell
      run: |
        & ${{ steps.set-build-command.outputs.build-command }} test ${{ inputs.args }} --target ${{ inputs.target }}
      if: ${{ inputs.command != 'build' && runner.os == 'Windows' }}
    - name: Build binary (*nix)
      shell: bash
      run: |
        ${{ steps.set-build-command.outputs.build-command }} build ${{ inputs.args }} --target ${{ inputs.target }}
      if: ${{ inputs.command != 'test' && runner.os != 'Windows' }}
    - name: Build binary (Windows)
      shell: powershell
      run: |
        & ${{ steps.set-build-command.outputs.build-command }} build ${{ inputs.args }} --target ${{ inputs.target }}
      if: ${{ inputs.command != 'test' && runner.os == 'Windows' }}
    - name: Strip binary
      shell: bash
      run: |
        strip target/${{ matrix.platform.target }}/release/${{ matrix.platform.bin }}
      # strip doesn't work with cross-arch binaries on Linux or Windows.
      if: ${{ inputs.command != 'test' && inputs.strip == 'true' && steps.determine-cross-compile.outputs.needs-cross == 'false' && inputs.target != 'aarch64-pc-windows-msvc' }}