release.yml

permissions:
  contents: write

name: Release

on:
  push:
    tags:
      - "[0-9]+.*"

jobs:
  create-release:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3
      - uses: taiki-e/create-gh-release-action@v1
        with:
          # Create a draft release so we can add the changelog before publishing it
          # so the changelog is included in the release email
          draft: true
        env:
          # (required)
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  upload-assets:
    strategy:
      fail-fast: false
      matrix:
        include:
          # Targets that match the OS of the runner.
          - target: x86_64-unknown-linux-gnu
            os: ubuntu-20.04
          - target: x86_64-apple-darwin
            os: macos-latest
          - target: x86_64-pc-windows-msvc
            os: windows-latest

          # Targets using cross-compilation (upload-rust-binary-action
          # detects that they need cross).
          - target: x86_64-unknown-linux-musl
            os: ubuntu-20.04
            use_cross: true
          - target: aarch64-unknown-linux-gnu
            os: ubuntu-20.04
            use_cross: true
          - target: aarch64-apple-darwin
            os: macos-latest
            use_cross: true
    env:
      BUILD_CMD: cargo

    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v3

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@1.71.0
        with:
          targets: ${{ matrix.target }}

      - name: Install cross
        if: matrix.use_cross
        uses: taiki-e/install-action@v2
        with:
          tool: cross

      - name: Overwrite build command env variable
        if: matrix.use_cross
        shell: bash
        run: echo "BUILD_CMD=cross" >> $GITHUB_ENV

      - name: Build info
        shell: bash
        run: $BUILD_CMD --version

      - name: Do release build
        shell: bash
        run: $BUILD_CMD build --release --target ${{ matrix.target }}

      - name: Move binary to root of checkout
        shell: bash
        run: mv target/${{ matrix.target }}/release/difft difft

      - name: Compress binary
        shell: bash
        run: tar -cvzf difft-${{ matrix.target }}.tar.gz difft

      # needs target in file name
      - name: Upload binary
        shell: bash
        run: gh release upload ${{ github.ref_name }} difft-${{ matrix.target }}.tar.gz
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}