require 'formula'

class Curl < Formula
  homepage 'http://curl.haxx.se/'
  url 'http://curl.haxx.se/download/curl-7.39.0.tar.bz2'
  mirror 'ftp://ftp.sunet.se/pub/www/utilities/curl/curl-7.39.0.tar.bz2'
  sha256 'b222566e7087cd9701b301dd6634b360ae118cc1cbc7697e534dc451102ea4e0'

  bottle do
    cellar :any
    sha1 "ecb492c18c73bd4beb64b9b16d817bdef0f1b989" => :yosemite
    sha1 "581f76814f982c87e6d281a55efd0da75f8e26e6" => :mavericks
    sha1 "fb53da99991975bfdbc8d4c7e7e967ae4c0329b6" => :mountain_lion
  end

  keg_only :provided_by_osx

  option 'with-libidn', 'Build with support for Internationalized Domain Names'
  option 'with-rtmpdump', 'Build with RTMP support'
  option 'with-libssh2', 'Build with scp and sftp support'
  option 'with-c-ares', 'Build with C-Ares async DNS support'
  option 'with-gssapi', 'Build with GSSAPI/Kerberos authentication support.'
  option 'with-libmetalink', 'Build with libmetalink support.'

  deprecated_option "with-idn" => "with-libidn"
  deprecated_option "with-rtmp" => "with-rtmpdump"
  deprecated_option "with-ssh" => "with-libssh2"
  deprecated_option "with-ares" => "with-c-ares"

  if MacOS.version >= :mountain_lion
    option 'with-openssl', 'Build with OpenSSL instead of Secure Transport'
    depends_on 'openssl' => :optional
  else
    depends_on 'openssl'
  end

  depends_on 'pkg-config' => :build
  depends_on 'libidn' => :optional
  depends_on 'libmetalink' => :optional
  depends_on 'libssh2' => :optional
  depends_on 'c-ares' => :optional
  depends_on 'rtmpdump' => :optional

  def install
    args = %W[
      --disable-debug
      --disable-dependency-tracking
      --prefix=#{prefix}
    ]

    if MacOS.version < :mountain_lion or build.with? "openssl"
      args << "--with-ssl=#{Formula["openssl"].opt_prefix}"
      args << "--with-ca-bundle=#{etc}/openssl/cert.pem"
    else
      args << "--with-darwinssl"
    end

    args << (build.with?("libssh2") ? "--with-libssh2" : "--without-libssh2")
    args << (build.with?("libidn") ? "--with-libidn" : "--without-libidn")
    args << (build.with?("libmetalink") ? "--with-libmetalink" : "--without-libmetalink")
    args << (build.with?("gssapi") ? "--with-gssapi" : "--without-gssapi")
    args << (build.with?("rtmpdump") ? "--with-librtmp" : "--without-librtmp")

    if build.with? "c-ares"
      args << "--enable-ares=#{Formula["c-ares"].opt_prefix}"
    else
      args << "--disable-ares"
    end

    system "./configure", *args
    system "make install"
  end

  test do
    # Fetch the curl tarball and see that the checksum matches.
    # This requires a network connection, but so does Homebrew in general.
    filename = (testpath/"test.tar.gz")
    system "#{bin}/curl", stable.url, "-o", filename
    filename.verify_checksum stable.checksum
  end
end