nixpkgs/pkgs/applications/graphics/image_optim/default.nix

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{ lib, bundlerApp, bundlerUpdateScript, makeWrapper,
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withPngcrush ? true, pngcrush ? null,
withPngout ? true, pngout ? null,
withAdvpng ? true, advancecomp ? null,
withOptipng ? true, optipng ? null,
withPngquant ? true, pngquant ? null,
withJhead ? true, jhead ? null,
withJpegoptim ? true, jpegoptim ? null,
withJpegrecompress ? true, jpeg-archive ? null,
withJpegtran ? true, libjpeg ? null,
withGifsicle ? true, gifsicle ? null,
withSvgo ? true, svgo ? null
}:
assert withPngcrush -> pngcrush != null;
assert withPngout -> pngout != null;
assert withAdvpng -> advancecomp != null;
assert withOptipng -> optipng != null;
assert withPngquant -> pngquant != null;
assert withJhead -> jhead != null;
assert withJpegoptim -> jpegoptim != null;
assert withJpegrecompress -> jpeg-archive != null;
assert withJpegtran -> libjpeg != null;
assert withGifsicle -> gifsicle != null;
assert withSvgo -> svgo != null;
with lib;
let
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optionalDepsPath = []
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++ optional withPngcrush pngcrush
++ optional withPngout pngout
++ optional withAdvpng advancecomp
++ optional withOptipng optipng
++ optional withPngquant pngquant
++ optional withJhead jhead
++ optional withJpegoptim jpegoptim
++ optional withJpegrecompress jpeg-archive
++ optional withJpegtran libjpeg
++ optional withGifsicle gifsicle
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++ optional withSvgo svgo;
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in
bundlerApp {
pname = "image_optim";
gemdir = ./.;
exes = [ "image_optim" ];
buildInputs = [ makeWrapper ];
postBuild = ''
wrapProgram $out/bin/image_optim \
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--prefix PATH : ${makeBinPath optionalDepsPath}
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'';
passthru.updateScript = bundlerUpdateScript "image_optim";
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meta = with lib; {
description = "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, pngcrush, pngout, pngquant, svgo)";
homepage = https://github.com/toy/image_optim;
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license = licenses.mit;
maintainers = with maintainers; [ srghma nicknovitski ];
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platforms = platforms.all;
};
}