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|
{ lib
, stdenv
, fetchurl
, unzip
}:
let
platforms = {
aarch64-linux = { folder = "aarch64"; ld-linux = "ld-linux-aarch64.so.1"; };
armv7l-linux = { folder = "armv7"; ld-linux = "ld-linux-armhf.so.3"; };
i686-linux = { folder = "i686"; ld-linux = "ld-linux.so.2"; };
x86_64-darwin = { folder = "."; };
x86_64-linux = { folder = "amd64"; ld-linux = "ld-linux-x86-64.so.2"; };
};
platform = platforms."${stdenv.hostPlatform.system}"
or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
download = if stdenv.isDarwin
then { extension = "macos.zip"; hash = "sha256-MnL6lH7q/BrACG4fFJNfnvoh0JClVeaJIlX+XIj2aG4="; }
else { extension = "linux.tar.gz"; hash = "sha256-rDi7pvDeKQM96GZTjDr6ZDQTGbaVu+OI77xf2egw6Sg="; };
in
stdenv.mkDerivation rec {
pname = "pngout";
version = "20200115";
src = fetchurl {
inherit (download) hash;
url = "http://static.jonof.id.au/dl/kenutils/pngout-${version}-${download.extension}";
};
nativeBuildInputs = lib.optionals stdenv.isDarwin [ unzip ];
# pngout is code-signed on Darwin, so don’t alter the binary to avoid breaking the signature.
dontFixup = stdenv.isDarwin;
installPhase = ''
mkdir -p $out/bin
cp ${platform.folder}/pngout $out/bin
'' + lib.optionalString stdenv.isLinux ''
patchelf --set-interpreter ${stdenv.glibc.out}/lib/${platform.ld-linux} $out/bin/pngout
'';
meta = {
description = "A tool that aggressively optimizes the sizes of PNG images";
license = lib.licenses.unfreeRedistributable;
homepage = "http://advsys.net/ken/utils.htm";
platforms = lib.attrNames platforms;
maintainers = [ lib.maintainers.sander ];
};
}
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