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