class TemporalTables < Formula
  desc "Temporal Tables PostgreSQL Extension"
  homepage "https://pgxn.org/dist/temporal_tables/"
  url "https://github.com/arkhipov/temporal_tables/archive/v1.2.0.tar.gz"
  sha256 "e6d1b31a124e8597f61b86f08b6a18168f9cd9da1db77f2a8dd1970b407b7610"
  revision 1

  bottle do
    cellar :any_skip_relocation
    sha256 "39df26c928bb5460cfdb81a6b6e885565e127629f6fbddc34e87a101232a4819" => :mojave
    sha256 "64f64ad4344321f89ce6b14c4bd44eb04f026ae76ffcdd65396879f533158dfa" => :high_sierra
    sha256 "eec62fa0f8393fbeb3e7f53fa6fb904e0e75048d8ea64946d162f0a3b9f679ea" => :sierra
  end

  depends_on "postgresql"

  # Fix for postgresql 11 compatibility:
  # https://github.com/arkhipov/temporal_tables/issues/38
  patch do
    url "https://github.com/mlt/temporal_tables/commit/24906c44.diff?full_index=1"
    sha256 "9c20bde0bafb9cbf0fee9a4922134069e403c728660f6b9c0d6ee3ae7e48cdfc"
  end

  def install
    ENV["PG_CONFIG"] = Formula["postgresql"].opt_bin/"pg_config"

    # Use stage directory to prevent installing to pg_config-defined dirs,
    # which would not be within this package's Cellar.
    mkdir "stage"
    system "make", "install", "DESTDIR=#{buildpath}/stage"

    lib.install Dir["stage/**/lib/*"]
    (share/"postgresql/extension").install Dir["stage/**/share/postgresql/extension/*"]
  end

  test do
    pg_bin = Formula["postgresql"].opt_bin
    pg_port = "55562"
    system "#{pg_bin}/initdb", testpath/"test"
    pid = fork { exec "#{pg_bin}/postgres", "-D", testpath/"test", "-p", pg_port }

    begin
      sleep 2

      system "#{pg_bin}/createdb", "-p", pg_port, "test"
      system "#{pg_bin}/psql", "-p", pg_port, "-d", "test", "--command", "CREATE EXTENSION temporal_tables;"
    ensure
      Process.kill 9, pid
      Process.wait pid
    end
  end
end