release.yml

name: Release

on:
  workflow_dispatch:
  push:
    tags:
      - '[0-9]+.[0-9]+.[0-9]+'

jobs:
  build:
    strategy:
      matrix:
        name:
          - linux-x86-64-gnu
          - linux-x86-64-musl
          - linux-armhf-gnu
          - linux-arm64-gnu
          - mac-x86-64
          - mac-arm64
        include:
          - name: linux-x86-64-gnu
            os: ubuntu-20.04
            target: x86_64-unknown-linux-gnu
            cross: false
            experimental: false

          - name: linux-x86-64-musl
            os: ubuntu-latest
            target: x86_64-unknown-linux-musl
            cross: true
            experimental: false

          - name: linux-armhf-gnu
            os: ubuntu-20.04
            target: armv7-unknown-linux-gnueabihf
            cross: true
            experimental: false

          - name: linux-arm64-gnu
            os: ubuntu-20.04
            target: aarch64-unknown-linux-gnu
            cross: true
            experimental: false

          - name: mac-x86-64
            os: macos-latest
            target: x86_64-apple-darwin
            cross: false
            experimental: false

          - name: mac-arm64
            os: macos-11.0
            target: aarch64-apple-darwin
            cross: true
            experimental: true

    name: Binaries for ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.experimental }}

    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: ~/.cargo/registry
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('Cargo.lock') }}

      - uses: actions/cache@v4
        if: startsWith(matrix.name, 'linux-')
        with:
          path: ~/.cargo/bin
          key: ${{ runner.os }}-cargo-bin-${{ hashFiles('.github/workflows/release.yml') }}

      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}

      - uses: taiki-e/setup-cross-toolchain-action@v1
        with:
          # NB: sets CARGO_BUILD_TARGET evar - do not need --target flag in build
          target: ${{ matrix.target }}

      - uses: taiki-e/install-action@cross
        if: ${{ matrix.cross }}

      - run: cargo build --release --locked

      - name: Extract version
        shell: bash
        run: |
          set -euxo pipefail

          version=$(grep -m1 -F 'version =' Cargo.toml | cut -d\" -f2)

          if [[ -z "$version" ]]; then
            echo "Error: no version :("
            exit 1
          fi

          echo "$version" > VERSION

      - name: Package
        shell: bash
        run: |
          set -euxo pipefail
          ext=""
          [[ "${{ matrix.name }}" == windows-* ]] && ext=".exe"
          bin="target/${{ matrix.target }}/release/kopium${ext}"
          strip "$bin" || true
          dst="kopium-${{ matrix.target }}"
          mkdir "$dst"
          cp "$bin" "$dst/"

      - name: Archive (tar)
        if: '! startsWith(matrix.name, ''windows-'')'
        shell: bash
        run: |
          set -euxo pipefail
          dst="kopium-${{ matrix.target }}"
          tar cavf "$dst.tar.xz" "$dst"

      - uses: actions/upload-artifact@v4
        with:
          name: builds-${{ matrix.target }}
          retention-days: 1
          path: |
            kopium-*.tar.xz

  sign:
    needs: build

    name: Checksum and sign
    runs-on: ubuntu-latest
    permissions:
      id-token: write
      contents: write

    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: ~/.cargo/bin
          key: sign-tools-${{ hashFiles('.github/workflows/release.yml') }}

      - uses: actions/download-artifact@v4
        with:
          pattern: builds-*
          merge-multiple: true

      - name: Checksums with SHA512
        run: sha512sum kopium-* | tee SHA512SUMS

      - uses: softprops/action-gh-release@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          generate_release_notes: true
          fail_on_unmatched_files: true
          files: |
            kopium-*.tar.xz
            *SUMS*