class Qemu < Formula
  desc "Emulator for x86 and PowerPC"
  homepage "https://www.qemu.org/"
  url "https://download.qemu.org/qemu-5.0.0.tar.xz"
  sha256 "2f13a92a0fa5c8b69ff0796b59b86b080bbb92ebad5d301a7724dd06b5e78cb6"
  revision 2
  head "https://git.qemu.org/git/qemu.git"

  depends_on "libtool" => :build
  depends_on "pkg-config" => :build
  depends_on "glib"
  depends_on "gnutls"
  depends_on "jpeg"
  depends_on "libpng"
  depends_on "libssh"
  depends_on "libusb"
  depends_on "lzo"
  depends_on "ncurses"
  depends_on "nettle"
  depends_on "pixman"
  depends_on "snappy"
  depends_on "vde"
  depends_on "reverentengineer/packages/samba"

  # 820KB floppy disk image file of FreeDOS 1.2, used to test QEMU
  resource "test-image" do
    url "https://dl.bintray.com/homebrew/mirror/FD12FLOPPY.zip"
    sha256 "81237c7b42dc0ffc8b32a2f5734e3480a3f9a470c50c14a9c4576a2561a35807"
  end

  def install
    ENV["LIBTOOL"] = "glibtool"

    args = %W[
      --prefix=#{prefix}
      --cc=#{ENV.cc}
      --host-cc=#{ENV.cc}
      --disable-bsd-user
      --disable-guest-agent
      --enable-curses
      --enable-libssh
      --enable-vde
      --extra-cflags=-DNCURSES_WIDECHAR=1
      --enable-cocoa
      --disable-sdl
      --disable-gtk
      --smbd=#{HOMEBREW_PREFIX}/opt/samba/sbin
    ]
    # Sharing Samba directories in QEMU requires the samba.org smbd which is
    # incompatible with the macOS-provided version. This will lead to
    # silent runtime failures, so we set it to a Homebrew path in order to
    # obtain sensible runtime errors. This will also be compatible with
    # Samba installations from external taps.
    #args << "--smbd=#{ENVHOMEBREW_PREFIX}/sbin/samba-dot-org-smbd"

    system "./configure", *args
    system "make", "V=1", "install"
  end

  test do
    expected = build.stable? ? version.to_s : "QEMU Project"
    assert_match expected, shell_output("#{bin}/qemu-system-aarch64 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-alpha --version")
    assert_match expected, shell_output("#{bin}/qemu-system-arm --version")
    assert_match expected, shell_output("#{bin}/qemu-system-cris --version")
    assert_match expected, shell_output("#{bin}/qemu-system-hppa --version")
    assert_match expected, shell_output("#{bin}/qemu-system-i386 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-lm32 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-m68k --version")
    assert_match expected, shell_output("#{bin}/qemu-system-microblaze --version")
    assert_match expected, shell_output("#{bin}/qemu-system-microblazeel --version")
    assert_match expected, shell_output("#{bin}/qemu-system-mips --version")
    assert_match expected, shell_output("#{bin}/qemu-system-mips64 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-mips64el --version")
    assert_match expected, shell_output("#{bin}/qemu-system-mipsel --version")
    assert_match expected, shell_output("#{bin}/qemu-system-moxie --version")
    assert_match expected, shell_output("#{bin}/qemu-system-nios2 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-or1k --version")
    assert_match expected, shell_output("#{bin}/qemu-system-ppc --version")
    assert_match expected, shell_output("#{bin}/qemu-system-ppc64 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-riscv32 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-riscv64 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-rx --version")
    assert_match expected, shell_output("#{bin}/qemu-system-s390x --version")
    assert_match expected, shell_output("#{bin}/qemu-system-sh4 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-sh4eb --version")
    assert_match expected, shell_output("#{bin}/qemu-system-sparc --version")
    assert_match expected, shell_output("#{bin}/qemu-system-sparc64 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-tricore --version")
    assert_match expected, shell_output("#{bin}/qemu-system-unicore32 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-x86_64 --version")
    assert_match expected, shell_output("#{bin}/qemu-system-xtensa --version")
    assert_match expected, shell_output("#{bin}/qemu-system-xtensaeb --version")
    resource("test-image").stage testpath
    assert_match "file format: raw", shell_output("#{bin}/qemu-img info FLOPPY.img")
  end
end
