class Syncthing < Formula
  desc "Open source continuous file synchronization application"
  homepage "https://syncthing.net/"
  url "https://github.com/syncthing/syncthing.git",
      :tag      => "v1.2.1",
      :revision => "d0c36971523d72dc1619b405891929e745809400"
  head "https://github.com/syncthing/syncthing.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "9be30c2cae528ab2c01a901f2167b7fa65295050990dc00210f62260b0dbef2a" => :mojave
    sha256 "68a38f0b5af18c6d1cc3a84cee8417b8bf89e7f721b57851fba901a07da75b62" => :high_sierra
    sha256 "2538544e3a1d69e3b44fa6611b7b04c92f2940862e9437ed4f44fa4d6e839745" => :sierra
  end

  depends_on "go" => :build

  def install
    ENV["GO111MODULE"] = "on"
    ENV["GOPATH"] = buildpath

    src = buildpath/"src/github.com/syncthing/syncthing"
    src.install buildpath.children
    src.cd do
      system "./build.sh", "noupgrade"
      bin.install "syncthing"
      man1.install Dir["man/*.1"]
      man5.install Dir["man/*.5"]
      man7.install Dir["man/*.7"]
      prefix.install_metafiles
    end
  end

  plist_options :manual => "syncthing"

  def plist; <<~EOS
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
      <dict>
        <key>Label</key>
        <string>#{plist_name}</string>
        <key>ProgramArguments</key>
        <array>
          <string>#{opt_bin}/syncthing</string>
          <string>-no-browser</string>
          <string>-no-restart</string>
        </array>
        <key>KeepAlive</key>
        <dict>
          <key>Crashed</key>
          <true/>
          <key>SuccessfulExit</key>
          <false/>
        </dict>
        <key>ProcessType</key>
        <string>Background</string>
        <key>StandardErrorPath</key>
        <string>#{var}/log/syncthing.log</string>
        <key>StandardOutPath</key>
        <string>#{var}/log/syncthing.log</string>
      </dict>
    </plist>
  EOS
  end

  test do
    system bin/"syncthing", "-generate", "./"
  end
end