vips.rb

class Vips < Formula
  desc "Image processing library"
  homepage "https://github.com/libvips/libvips"
  url "https://github.com/libvips/libvips/releases/download/v8.16.1/vips-8.16.1.tar.xz"
  sha256 "d114d7c132ec5b45f116d654e17bb4af84561e3041183cd4bfd79abfb85cf724"
  license "LGPL-2.1-or-later"

  livecheck do
    url :stable
    strategy :github_latest
  end

  bottle do
    sha256 arm64_sequoia: "a5c9ff3d50640de8bca6d78cb928d139c51999d484ea342cf864db3d86e27c97"
    sha256 arm64_sonoma:  "013d0aab231b653fa3e2ee4251bda92c1e0eea1ed1a4baafbf444b3273a60375"
    sha256 arm64_ventura: "47dc847d95d38abea41706e81d7009d57d176fa02b0c231513a032dcd3a23e16"
    sha256 sonoma:        "362496337c54b8cce1b87f2835436ecbf328334ff7953417cf95b348123ac26f"
    sha256 ventura:       "bbb669b3daf640b0e18306f6df0cdc3d27beb7fd7c20821d35cf2f09ac8579da"
    sha256 arm64_linux:   "be574b0fe541e799244a7e34b1e5070c43d18f19ebc87f435eb4ca04ea772736"
    sha256 x86_64_linux:  "5baeeb91cc40682eec26c3f06ba91a09e7c529e03ea2ff2314450791beb9f9fe"
  end

  depends_on "gobject-introspection" => :build
  depends_on "meson" => :build
  depends_on "ninja" => :build
  depends_on "pkgconf" => [:build, :test]
  depends_on "cairo"
  depends_on "cfitsio"
  depends_on "cgif"
  depends_on "fftw"
  depends_on "fontconfig"
  depends_on "gettext"
  depends_on "glib"
  depends_on "highway"
  depends_on "imagemagick"
  depends_on "jpeg-xl"
  depends_on "libarchive"
  depends_on "libexif"
  depends_on "libheif"
  depends_on "libimagequant"
  depends_on "libmatio"
  depends_on "librsvg"
  depends_on "libspng"
  depends_on "libtiff"
  depends_on "little-cms2"
  depends_on "mozjpeg"
  depends_on "openexr"
  depends_on "openjpeg"
  depends_on "openslide"
  depends_on "pango"
  depends_on "poppler"
  depends_on "webp"

  uses_from_macos "python" => :build
  uses_from_macos "expat"
  uses_from_macos "zlib"

  def install
    # mozjpeg needs to appear before libjpeg, otherwise it's not used
    ENV.prepend_path "PKG_CONFIG_PATH", Formula["mozjpeg"].opt_lib/"pkgconfig"

    system "meson", "setup", "build", *std_meson_args
    system "meson", "compile", "-C", "build", "--verbose"
    system "meson", "install", "-C", "build"

    if OS.mac?
      # `pkg-config --libs vips` includes libarchive, but that package is
      # keg-only so it needs to look for the pkgconfig file in libarchive's opt
      # path.
      libarchive = Formula["libarchive"].opt_prefix
      inreplace [lib/"pkgconfig/vips.pc", lib/"pkgconfig/vips-cpp.pc"] do |s|
        s.gsub!(/^Requires\.private:(.*)\blibarchive\b(.*?)(,.*)?$/,
                "Requires.private:\\1#{libarchive}/lib/pkgconfig/libarchive.pc\\3")
      end
    end
  end

  test do
    system bin/"vips", "-l"
    cmd = "#{bin}/vipsheader -f width #{test_fixtures("test.png")}"
    assert_equal "8", shell_output(cmd).chomp

    # --trellis-quant requires mozjpeg, vips warns if it's not present
    cmd = "#{bin}/vips jpegsave #{test_fixtures("test.png")} #{testpath}/test.jpg --trellis-quant 2>&1"
    assert_empty shell_output(cmd)

    # [palette] requires libimagequant, vips warns if it's not present
    cmd = "#{bin}/vips copy #{test_fixtures("test.png")} #{testpath}/test.png[palette] 2>&1"
    assert_empty shell_output(cmd)

    # Make sure `pkg-config` can parse `vips.pc` and `vips-cpp.pc` after the `inreplace`.
    system "pkgconf", "--print-errors", "vips"
    system "pkgconf", "--print-errors", "vips-cpp"
  end
end