home brew formula for unison

ucm-with-localui.rb

class UnisonFromSrc < Formula
  desc "Unison Language and Codebase Manager"
  homepage "https://unisonweb.org"
  url "https://github.com/unisonweb/unison/archive/refs/tags/release/0.5.15.tar.gz"
  sha256 "03b2334fc75edafbe5300284ae19d0b9abeaf4e8c5c13d1c899c80c9e6050990"
  license "MIT"

  version_scheme 1

  depends_on "ghc@9.2" => :build
  depends_on "haskell-stack" => :build
  depends_on "npm" => :build

  depends_on "fzf" => :recommended
  depends_on "minimal-racket" => :optional
  uses_from_macos "less" => :recommended

  resource "local-ui" do
    url "https://github.com/unisonweb/unison-local-ui/archive/refs/tags/release/0.5.15.tar.gz"
    sha256 "fcc74ef9f41388588e9c29ebdf6759ee27168a8c650408dd695b7c65d117b1f5"
  end

  def install
    localui = libexec/"ui"
    resource("local-ui").stage do
      system "npm", "ci"
      system "npm", "run", "ui-core-install"
      system "npm", "run", "build"
      localui.install Dir["dist/unisonLocal/*"]
    end
    system "stack", "--no-terminal", "build", "--flag", "unison-parser-typechecker:optimized"
    libexec.install `stack exec which unison`.strip "ucm"
  end

  test do
    (testpath/"getbase.md").write <<~EOS
      ```ucm
      .> project.create test
      ```
      ```unison
      > "Hello, World!"
      ```
    EOS
    system "#{bin}/ucm", "transcript", testpath/"getbase.md"
  end
end

unison-lang.rb

class Unisonlang < Formula
  desc "Unison Language and Codebase Manager"
  homepage "https://unisonweb.org"
  url "https://github.com/unisonweb/unison/archive/refs/tags/release/0.5.15.tar.gz"
  sha256 "03b2334fc75edafbe5300284ae19d0b9abeaf4e8c5c13d1c899c80c9e6050990"
  license "MIT"

  depends_on "ghc@9.2" => :build
  depends_on "haskell-stack" => :build
  depends_on "npm" => :build

  depends_on "unison-local-ui"
  depends_on "fzf" => :recommended
  depends_on "minimal-racket" => :optional
  uses_from_macos "less" => :recommended

  def install
    system "stack", "--no-terminal", "build", "--flag", "unison-parser-typechecker:optimized"

    libexec.install `stack exec which unison`.strip
    libexec.install_symlink Formula["unison-local-ui"].opt_share/"ui"
    (bin/"ucm").write <<~EOS
      #!/bin/bash
      #{libexec}/unison $@
    EOS
  end

  test do
    (testpath/"getbase.md").write <<~EOS
      ```ucm
      .> project.create test
      ```
      ```unison
      > "Hello, World!"
      ```
    EOS
    system "#{bin}/ucm", "transcript", testpath/"getbase.md"
  end
end

unison-local-ui.rb

class UnisonLocalUi < Formula
  desc "Unison Language and Codebase Manager"
  homepage "https://unisonweb.org"
  url "https://github.com/unisonweb/unison-local-ui/archive/refs/tags/release/0.5.15.tar.gz"
  sha256 "fcc74ef9f41388588e9c29ebdf6759ee27168a8c650408dd695b7c65d117b1f5"
  license "MIT"

  depends_on "npm" => :build

  def install
    system "npm", "ci"
    system "npm", "run", "ui-core-install"
    system "npm", "run", "build"
    (pkgshare/"ui").install Dir["dist/unisonLocal/*"]
  end

  test do
    assert_predicate opt_share/"ui"/"index.html", :exist?
  end
end