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 | class Apgdiff < Formula
  homepage "http://www.apgdiff.com/"
  url "http://www.apgdiff.com/download/apgdiff-2.4-bin.zip"
  sha1 "1150d44e9da2c1417767d4106bdb297ed0adfed8"
  head do
    url "https://github.com/fordfrog/apgdiff.git"
    depends_on "ant" => :build
  end
  def install
    jar = "apgdiff-#{version}.jar"
    if build.head?
      system "ant"
      cd "dist" do
        jar = Dir["apgdiff-*.jar"].first
        mv jar, ".."
      end
    end
    libexec.install jar
    bin.write_jar_script libexec/jar, "apgdiff"
  end
  test do
    sql_orig = testpath/"orig.sql"
    sql_new = testpath/"new.sql"
    sql_orig.write <<-EOS.undent
    SET search_path = public, pg_catalog;
    SET default_tablespace = '';
    CREATE TABLE testtable (field1 integer);
    ALTER TABLE public.testtable OWNER TO fordfrog;
    EOS
    sql_new.write <<-EOS.undent
    SET search_path = public, pg_catalog;
    SET default_tablespace = '';
    CREATE TABLE testtable (field1 integer,
      field2 boolean DEFAULT false NOT NULL);
    ALTER TABLE public.testtable OWNER TO fordfrog;
    EOS
    expected = <<-EOS.undent.strip
    ALTER TABLE testtable
    \tADD COLUMN field2 boolean DEFAULT false NOT NULL;
    EOS
    result = pipe_output("#{bin}/apgdiff #{sql_orig} #{sql_new}").strip
    assert_equal result, expected
  end
end
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