push sheeet

pkgs/applications/graphics/image_optim/Gemfile

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+source 'https://rubygems.org'
+gem 'image_optim'

pkgs/applications/graphics/image_optim/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    exifr (1.4.1)
+    fspath (3.1.2)
+    image_optim (0.31.4)
+      exifr (~> 1.2, >= 1.2.2)
+      fspath (~> 3.0)
+      image_size (>= 1.5, < 4)
+      in_threads (~> 1.3)
+      progress (~> 3.0, >= 3.0.1)
+    image_size (3.4.0)
+    in_threads (1.6.0)
+    progress (3.6.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  image_optim
+
+BUNDLED WITH
+   2.5.22

pkgs/applications/graphics/image_optim/default.nix

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+{
+  lib,
+  bundlerApp,
+  bundlerUpdateScript,
+  makeWrapper,
+  withPngcrush ? true,
+  pngcrush,
+  withPngout ? false,
+  pngout, # disabled by default because it's unfree
+  withAdvpng ? true,
+  advancecomp,
+  withOptipng ? true,
+  optipng,
+  withPngquant ? true,
+  pngquant,
+  withOxipng ? true,
+  oxipng,
+  withJhead ? true,
+  jhead,
+  withJpegoptim ? true,
+  jpegoptim,
+  withJpegrecompress ? true,
+  jpeg-archive,
+  withJpegtran ? true,
+  libjpeg,
+  withGifsicle ? true,
+  gifsicle,
+  withSvgo ? true,
+  svgo,
+}:
+
+let
+  optionalDepsPath =
+    lib.optional withPngcrush pngcrush
+    ++ lib.optional withPngout pngout
+    ++ lib.optional withAdvpng advancecomp
+    ++ lib.optional withOptipng optipng
+    ++ lib.optional withPngquant pngquant
+    ++ lib.optional withOxipng oxipng
+    ++ lib.optional withJhead jhead
+    ++ lib.optional withJpegoptim jpegoptim
+    ++ lib.optional withJpegrecompress jpeg-archive
+    ++ lib.optional withJpegtran libjpeg
+    ++ lib.optional withGifsicle gifsicle
+    ++ lib.optional withSvgo svgo;
+
+  disabledWorkersFlags =
+    lib.optional (!withPngcrush) "--no-pngcrush"
+    ++ lib.optional (!withPngout) "--no-pngout"
+    ++ lib.optional (!withAdvpng) "--no-advpng"
+    ++ lib.optional (!withOptipng) "--no-optipng"
+    ++ lib.optional (!withPngquant) "--no-pngquant"
+    ++ lib.optional (!withOxipng) "--no-oxipng"
+    ++ lib.optional (!withJhead) "--no-jhead"
+    ++ lib.optional (!withJpegoptim) "--no-jpegoptim"
+    ++ lib.optional (!withJpegrecompress) "--no-jpegrecompress"
+    ++ lib.optional (!withJpegtran) "--no-jpegtran"
+    ++ lib.optional (!withGifsicle) "--no-gifsicle"
+    ++ lib.optional (!withSvgo) "--no-svgo";
+in
+
+bundlerApp {
+  pname = "image_optim";
+  gemdir = ./.;
+
+  exes = [ "image_optim" ];
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  postBuild = ''
+    wrapProgram $out/bin/image_optim \
+      --prefix PATH : ${lib.escapeShellArg (lib.makeBinPath optionalDepsPath)} \
+      --add-flags "${lib.concatStringsSep " " disabledWorkersFlags}"
+  '';
+
+  passthru.updateScript = bundlerUpdateScript "image_optim";
+
+  meta = with lib; {
+    description = "Optimize images using multiple utilities";
+    longDescription = ''
+      Command line tool and ruby interface to optimize (lossless compress,
+      optionally lossy) jpeg, png, gif and svg images using external utilities
+      (advpng, gifsicle, jhead, jpeg-recompress, jpegoptim, jpegrescan,
+      jpegtran, optipng, oxipng, pngcrush, pngout, pngquant, svgo)
+    '';
+    homepage = "https://github.com/toy/image_optim";
+    license = licenses.mit;
+    maintainers = with maintainers; [
+      nicknovitski
+    ];
+    platforms = platforms.all;
+    mainProgram = "image_optim";
+  };
+}

pkgs/applications/graphics/image_optim/gemset.nix

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+{
+  exifr = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "155qqhai5z2742aqa4mwkxmqrpcv48siqz55rcx79wvgdg6790vn";
+      type = "gem";
+    };
+    version = "1.4.1";
+  };
+  fspath = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "0xcxikkrjv8ws328nn5ax5pyfjs8pn7djg1hks7qyb3yp6prpb5m";
+      type = "gem";
+    };
+    version = "3.1.2";
+  };
+  image_optim = {
+    dependencies = [
+      "exifr"
+      "fspath"
+      "image_size"
+      "in_threads"
+      "progress"
+    ];
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "1h3n8x1rlxz4mkk49lij22x1nn0qk5cvir3fsj4x3s382a4x1zsv";
+      type = "gem";
+    };
+    version = "0.31.4";
+  };
+  image_size = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "16h2gxxk212mlvphf03x1z1ddb9k3vm0lgsxbvi4fjg77x8q19f6";
+      type = "gem";
+    };
+    version = "3.4.0";
+  };
+  in_threads = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "0j9132d4g8prjafgdh4pw948j527kr09m2lvylrcd797il9yd9wi";
+      type = "gem";
+    };
+    version = "1.6.0";
+  };
+  progress = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "0wymdk40cwrqn32gwg1kw94s5p1n0z3n7ma7x1s62gd4vw3d63in";
+      type = "gem";
+    };
+    version = "3.6.0";
+  };
+}