yaz.rb

class Yaz < Formula
  desc "Toolkit for Z39.50/SRW/SRU clients/servers"
  homepage "https://www.indexdata.com/resources/software/yaz/"
  # TODO: Switch back to homepage if upstream confirms reupload or on next release
  # Ref: https://github.com/indexdata/yaz/issues/120
  url "http://deb.debian.org/debian/pool/main/y/yaz/yaz_5.34.1.orig.tar.gz"
  mirror "https://ftp.indexdata.com/pub/yaz/yaz-5.34.1.tar.gz"
  sha256 "c7fd8e0222b3b0d1115ad8e7a2ee67be7a2807624d61d5b71854bf5e167ab7a9"
  license "BSD-3-Clause"

  # The latest version text is currently omitted from the homepage for this
  # software, so we have to check the related directory listing page.
  livecheck do
    url "https://ftp.indexdata.com/pub/yaz/"
    regex(/href=.*?yaz[._-]v?(\d+(?:\.\d+)+)\.t/i)
  end

  bottle do
    sha256 cellar: :any,                 arm64_sonoma:   "dc45f16c09632a6e73e49ace9bd8d0b4e086a5a9c5503cfe7c066f18a59d8f87"
    sha256 cellar: :any,                 arm64_ventura:  "de294f63ae537046de8e38aab6a66964d142a72bbd5039a1e0510d06444b3d56"
    sha256 cellar: :any,                 arm64_monterey: "be73925a730bbc3956497ba501596848f6f80292f7ef23cb72490537fd141948"
    sha256 cellar: :any,                 sonoma:         "7bca2535a733fa5d4d59b565d1844ba549275e7e3deb4ea118a35b8aace8d865"
    sha256 cellar: :any,                 ventura:        "9df7ada09b950e224f87f15387725a63754d77ea2b5f5f707af654f26a336a47"
    sha256 cellar: :any,                 monterey:       "a6b19cb6e6905f85aa590d49c4b10aaa28a8364f60aacd76c85d210fa9e760a4"
    sha256 cellar: :any_skip_relocation, x86_64_linux:   "019454b127ed23be0ddac5cda1f86e1e011267a6c68ced037c9eeb3843324569"
  end

  head do
    url "https://github.com/indexdata/yaz.git", branch: "master"

    depends_on "autoconf" => :build
    depends_on "automake" => :build
    depends_on "docbook-xsl" => :build
    depends_on "libtool" => :build

    uses_from_macos "bison" => :build
    uses_from_macos "tcl-tk" => :build
  end

  depends_on "pkg-config" => :build
  depends_on "gnutls"
  depends_on "icu4c"
  depends_on "readline" # Possible opportunistic linkage. TODO: Check if this can be removed.

  uses_from_macos "libxml2"
  uses_from_macos "libxslt"

  def install
    if build.head?
      ENV["XML_CATALOG_FILES"] = etc/"xml/catalog"
      system "./buildconf.sh"
    end
    system "./configure", *std_configure_args,
                          "--with-gnutls",
                          "--with-xml2",
                          "--with-xslt"
    system "make", "install"

    # Replace dependencies' cellar paths, which can break build for dependents
    # (like `metaproxy` and `zebra`) after a dependency is version/revision bumped
    inreplace bin/"yaz-config" do |s|
      s.gsub! Formula["gnutls"].prefix.realpath, Formula["gnutls"].opt_prefix
      s.gsub! Formula["icu4c"].prefix.realpath, Formula["icu4c"].opt_prefix
    end
    unless OS.mac?
      inreplace [bin/"yaz-config", lib/"pkgconfig/yaz.pc"] do |s|
        s.gsub! Formula["libxml2"].prefix.realpath, Formula["libxml2"].opt_prefix
        s.gsub! Formula["libxslt"].prefix.realpath, Formula["libxslt"].opt_prefix
      end
    end
  end

  test do
    # This test converts between MARC8, an obscure mostly-obsolete library
    # text encoding supported by yaz-iconv, and UTF8.
    marc8file = testpath/"marc8.txt"
    marc8file.write "$1!0-!L,i$3i$si$Ki$Ai$O!+=(B"
    result = shell_output("#{bin}/yaz-iconv -f marc8 -t utf8 #{marc8file}")
    result.force_encoding(Encoding::UTF_8) if result.respond_to?(:force_encoding)
    assert_equal "世界こんにちは！", result

    # Test ICU support by running yaz-icu with the example icu_chain
    # from its man page.
    configfile = testpath/"icu-chain.xml"
    configfile.write <<~EOS
      <?xml version="1.0" encoding="UTF-8"?>
      <icu_chain locale="en">
        <transform rule="[:Control:] Any-Remove"/>
        <tokenize rule="w"/>
        <transform rule="[[:WhiteSpace:][:Punctuation:]] Remove"/>
        <transliterate rule="xy > z;"/>
        <display/>
        <casemap rule="l"/>
      </icu_chain>
    EOS

    inputfile = testpath/"icu-test.txt"
    inputfile.write "yaz-ICU	xy!"

    expectedresult = <<~EOS
      1 1 'yaz' 'yaz'
      2 1 '' ''
      3 1 'icuz' 'ICUz'
      4 1 '' ''
    EOS

    result = shell_output("#{bin}/yaz-icu -c #{configfile} #{inputfile}")
    assert_equal expectedresult, result
  end
end