Formula/n/neovim.rb

class Neovim < Formula
  desc "Ambitious Vim-fork focused on extensibility and agility"
  homepage "https://neovim.io/"
  license "Apache-2.0"

  head "https://github.com/neovim/neovim.git", branch: "master"

  stable do
    url "https://github.com/neovim/neovim/archive/refs/tags/v0.11.1.tar.gz"
    sha256 "ffe7f9a7633ed895ff6adb1039af7516cd6453715c8889ad844b6fa39c3df443"

    # Keep resources updated according to:
    # https://github.com/neovim/neovim/blob/v#{version}/cmake.deps/CMakeLists.txt

    # TODO: Consider shipping these as separate formulae instead. See discussion at
    #       https://github.com/orgs/Homebrew/discussions/3611
    # NOTE: The `install` method assumes that the parser name follows the final `-`.
    #       Please name the resources accordingly.
    resource "tree-sitter-c" do
      url "https://github.com/tree-sitter/tree-sitter-c/archive/refs/tags/v0.23.4.tar.gz"
      sha256 "b66c5043e26d84e5f17a059af71b157bcf202221069ed220aa1696d7d1d28a7a"
    end

    resource "tree-sitter-lua" do
      url "https://github.com/tree-sitter-grammars/tree-sitter-lua/archive/refs/tags/v0.3.0.tar.gz"
      sha256 "a34cc70abfd8d2d4b0fabf01403ea05f848e1a4bc37d8a4bfea7164657b35d31"
    end

    resource "tree-sitter-vim" do
      url "https://github.com/tree-sitter-grammars/tree-sitter-vim/archive/refs/tags/v0.5.0.tar.gz"
      sha256 "90019d12d2da0751c027124f27f5335babf069a050457adaed53693b5e9cf10a"
    end

    resource "tree-sitter-vimdoc" do
      url "https://github.com/neovim/tree-sitter-vimdoc/archive/refs/tags/v3.0.1.tar.gz"
      sha256 "76b65e5bee9ff78eb21256619b1995aac4d80f252c19e1c710a4839481ded09e"
    end

    resource "tree-sitter-query" do
      url "https://github.com/nvim-treesitter/tree-sitter-query/archive/refs/tags/v0.5.1.tar.gz"
      sha256 "fe8c712880a529d454347cd4c58336ac2db22243bae5055bdb5844fb3ea56192"
    end

    resource "tree-sitter-markdown" do
      url "https://github.com/tree-sitter-grammars/tree-sitter-markdown/archive/refs/tags/v0.4.1.tar.gz"
      sha256 "e0fdb2dca1eb3063940122e1475c9c2b069062a638c95939e374c5427eddee9f"
    end
  end

  livecheck do
    url :stable
    regex(/^v?(\d+(?:\.\d+)+)$/i)
  end

  bottle do
    sha256 arm64_sequoia: "371e99be7b1d20d76b2d08615156d1d2c374526baf54dffb2245a0e65eaca68c"
    sha256 arm64_sonoma:  "ad9124bcbc7a972899a91ff64788e8c05bd304fc48a2f178afa398318ac255e4"
    sha256 arm64_ventura: "2bf780725a36d678dd6d687380db074c6ffa34fd90df7abb0afc8d119a9fafa3"
    sha256 sonoma:        "5ddbcda1bba79b13591960a797bebae27834c332ac6d69a29ce5e589a8a36a09"
    sha256 ventura:       "bc08b7cfa6822335edcc514f55fab5a63be316bee1b68360f965461692579f08"
    sha256 arm64_linux:   "e4fc50b684a3f3fcd71e63b2050ea41eb3817abbfed7933ebcca188f83beace6"
    sha256 x86_64_linux:  "c5d732c24b1252be3bbe98e44cddd5237a7dea2e94f9c712e4fe9764008655e3"
  end

  depends_on "cmake" => :build
  depends_on "gettext"
  depends_on "libuv"
  depends_on "lpeg"
  depends_on "luajit"
  depends_on "luv"
  depends_on "tree-sitter"
  depends_on "unibilium"
  depends_on "utf8proc"

  def install
    if build.head?
      cmake_deps = (buildpath/"cmake.deps/deps.txt").read.lines
      cmake_deps.each do |line|
        next unless line.match?(/TREESITTER_[^_]+_URL/)

        parser, parser_url = line.split
        parser_name = parser.delete_suffix("_URL")
        parser_sha256 = cmake_deps.find { |l| l.include?("#{parser_name}_SHA256") }.split.last
        parser_name = parser_name.downcase.tr("_", "-")

        resource parser_name do
          url parser_url
          sha256 parser_sha256
        end
      end
    end

    resources.each do |r|
      source_directory = buildpath/"deps-build/build/src"/r.name
      build_directory = buildpath/"deps-build/build"/r.name

      parser_name = r.name.split("-").last
      cmakelists = case parser_name
      when "markdown" then "MarkdownParserCMakeLists.txt"
      else "TreesitterParserCMakeLists.txt"
      end

      r.stage(source_directory)
      cp buildpath/"cmake.deps/cmake"/cmakelists, source_directory/"CMakeLists.txt"

      system "cmake", "-S", source_directory, "-B", build_directory, "-DPARSERLANG=#{parser_name}", *std_cmake_args
      system "cmake", "--build", build_directory
      system "cmake", "--install", build_directory
    end

    # Point system locations inside `HOMEBREW_PREFIX`.
    inreplace "src/nvim/os/stdpaths.c" do |s|
      s.gsub! "/etc/xdg/", "#{etc}/xdg/:\\0"

      if HOMEBREW_PREFIX.to_s != HOMEBREW_DEFAULT_PREFIX
        s.gsub! "/usr/local/share/:/usr/share/", "#{HOMEBREW_PREFIX}/share/:\\0"
      end
    end

    # Replace `-dirty` suffix in `--version` output with `-Homebrew`.
    inreplace "cmake/GenerateVersion.cmake", "--dirty", "--dirty=-Homebrew"

    args = [
      "-DLUV_LIBRARY=#{Formula["luv"].opt_lib/shared_library("libluv")}",
      "-DLIBUV_LIBRARY=#{Formula["libuv"].opt_lib/shared_library("libuv")}",
      "-DLPEG_LIBRARY=#{Formula["lpeg"].opt_lib/shared_library("liblpeg")}",
    ]
    system "cmake", "-S", ".", "-B", "build", *args, *std_cmake_args
    system "cmake", "--build", "build"
    system "cmake", "--install", "build"
  end

  test do
    refute_match "dirty", shell_output("#{bin}/nvim --version")
    (testpath/"test.txt").write("Hello World from Vim!!")
    system bin/"nvim", "--headless", "-i", "NONE", "-u", "NONE",
                       "+s/Vim/Neovim/g", "+wq", "test.txt"
    assert_equal "Hello World from Neovim!!", (testpath/"test.txt").read.chomp
  end
end