fzf.rb

require "language/go"

class Fzf < Formula
  desc "Command-line fuzzy finder written in Go"
  homepage "https://github.com/junegunn/fzf"
  url "https://github.com/junegunn/fzf/archive/0.16.8.tar.gz"
  sha256 "daef99f67cff3dad261dbcf2aef995bb78b360bcc7098d7230cb11674e1ee1d4"
  head "https://github.com/junegunn/fzf.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "2f259ed32511d67e38a21b589ce65f306d9dfca4713fe3363af9808a8c4cdf11" => :sierra
    sha256 "3a9cf16aeb4cfda77b45fe55057267420e8b39cb5155138dce71bc62106b8ab8" => :el_capitan
    sha256 "364aecd801beeee28cae20d017b1081e2ef3f15b289c42fda4b71cc30ef34890" => :yosemite
  end

  depends_on "go" => :build

  go_resource "github.com/mattn/go-isatty" do
    url "https://github.com/mattn/go-isatty.git",
        :revision => "66b8e73f3f5cda9f96b69efd03dd3d7fc4a5cdb8"
  end

  go_resource "github.com/mattn/go-runewidth" do
    url "https://github.com/mattn/go-runewidth.git",
        :revision => "14207d285c6c197daabb5c9793d63e7af9ab2d50"
  end

  go_resource "github.com/mattn/go-shellwords" do
    url "https://github.com/mattn/go-shellwords.git",
        :revision => "02e3cf038dcea8290e44424da473dd12be796a8a"
  end

  go_resource "golang.org/x/crypto" do
    url "https://go.googlesource.com/crypto.git",
        :revision => "e1a4589e7d3ea14a3352255d04b6f1a418845e5e"
  end

  def install
    ENV["GOPATH"] = buildpath
    mkdir_p buildpath/"src/github.com/junegunn"
    ln_s buildpath, buildpath/"src/github.com/junegunn/fzf"
    Language::Go.stage_deps resources, buildpath/"src"

    cd buildpath do
      system "go", "build", "-o", "fzf", "-ldflags", "-X main.revision=brew"
      bin.install "fzf"
    end

    prefix.install %w[install uninstall LICENSE]
    (prefix/"shell").install %w[bash zsh fish].map { |s| "shell/key-bindings.#{s}" }
    (prefix/"shell").install %w[bash zsh].map { |s| "shell/completion.#{s}" }
    (prefix/"plugin").install "plugin/fzf.vim"
    man1.install "man/man1/fzf.1", "man/man1/fzf-tmux.1"
    bin.install "bin/fzf-tmux"
  end

  def caveats; <<-EOS.undent
    To install useful keybindings and fuzzy completion:
      #{opt_prefix}/install

    To use fzf in Vim, add the following line to your .vimrc:
      set rtp+=#{opt_prefix}
    EOS
  end

  test do
    (testpath/"list").write %w[hello world].join($/)
    assert_equal "world", shell_output("cat #{testpath}/list | #{bin}/fzf -f wld").chomp
  end
end