rustfs.rb

# Copyright 2024 RustFS Team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

class Rustfs < Formula
  VERSION = "1.0.0-alpha.85".freeze
  GITHUB_REPO = "rustfs/rustfs".freeze
  BINARIES = {
    "macos-aarch64" => "6a0d97e5abde54256285c133890e42c3cc600b66537bb6965b7270147412e82f",
    "macos-x86_64" => "62626200861f14a35b47577f955afcce97c4400b4d17bf66391b71c0b1c43764",
    "linux-aarch64-musl" => "38fb0bef9df78610119b456f7fdbc417f35a07a77ac194598415a2dff380fee8",
    "linux-x86_64-musl" => "7354b44549d95bb11f564f65bc0df5f9dbb9edc97b6d009dd25306c3a26ab6c9",
  }.freeze

  desc "High-performance distributed object storage written in Rust"
  homepage "https://rustfs.com"
  url "https://github.com/#{GITHUB_REPO}/archive/refs/tags/#{VERSION}.tar.gz"
  sha256 "75db11c3c970f4819a00a02813467d850a4bfaa16d71c03e0c7bd9186a423e83"
  license "Apache-2.0"

  def install
    url, sha = binary_url_and_sha
    odie "This formula has no pre-compiled binary for your platform: #{system_target}" unless url

    ohai "Installing from pre-compiled binary..."
    resource "binary" do
      url url
      sha256 sha
    end

    resource("binary").stage do
      bin.install "rustfs"
    end
  end

  def caveats
    <<~EOS
      Thank you for installing rustfs!

      === Quick Start ===
      # View all available commands and help information:
      rustfs --help

      # Check the version:
      rustfs --version

      === Developer Guide ===
      If you want to build from source manually:

      1. Clone the repository:
         git clone https://github.com/#{GITHUB_REPO}.git
         cd rustfs

      2. Install dependencies:
         brew install rust protobuf flatbuffers pkg-config zstd openssl@3

      3. Compile the project:
         cargo build --release

      4. The binary will be located at:
         ./target/release/rustfs

      === Additional Notes ===
      If you encounter issues with missing dependencies, ensure the following are installed:
      - Rust: brew install rust
      - Protobuf: brew install protobuf
      - Flatbuffers: brew install flatbuffers
      - OpenSSL: brew install openssl@3
      - Zstd: brew install zstd
    EOS
  end

  def test
    version_output = shell_output("#{bin}/rustfs -V")
    assert_match "rustfs #{VERSION}", version_output
  end

  private

  def system_target
    @system_target ||= begin
                         os = OS.mac? ? "macos" : "linux"
                         arch = case Hardware::CPU.arch
                                when :arm, :arm64, :aarch64 then "aarch64"
                                else "x86_64"
                                end
                         suffix = OS.mac? ? "" : "-musl"
                         "#{os}-#{arch}#{suffix}"
                       end
  end

  def binary_url_and_sha
    target = system_target
    sha256 = BINARIES[target]
    return [nil, nil] unless sha256
    url = "https://github.com/#{GITHUB_REPO}/releases/download/#{VERSION}/rustfs-#{target}-v#{VERSION}.zip"
    [url, sha256]
  end

  # Note: Homebrew formulas must be reproducible and cannot hit the network
  # to determine versions at install time. This livecheck tells `brew livecheck`
  # to use GitHub releases to find new versions. We also provide a workflow in
  # this tap to automatically bump this formula when a new release appears.
  livecheck do
    url :stable
    strategy :github_latest
  end
end