nixpkgs/pkgs/development/tools/unity3d/default.nix

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{ stdenv, lib, fetchurl, makeWrapper, file, getopt
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, gtk2, gtk3, gdk-pixbuf, glib, libGL, libGLU, nss, nspr, udev, tbb
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, alsaLib, GConf, cups, libcap, fontconfig, freetype, pango
, cairo, dbus, expat, zlib, libpng12, nodejs, gnutar, gcc, gcc_32bit
, libX11, libXcursor, libXdamage, libXfixes, libXrender, libXi
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, libXcomposite, libXext, libXrandr, libXtst, libSM, libICE, libxcb, chromium
, libpqxx, libselinux, pciutils, libpulseaudio
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}:
let
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libPath64 = lib.makeLibraryPath [
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gcc.cc gtk2 gdk-pixbuf glib libGL libGLU nss nspr
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alsaLib GConf cups libcap fontconfig freetype pango
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cairo dbus expat zlib libpng12 udev tbb
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libX11 libXcursor libXdamage libXfixes libXrender libXi
libXcomposite libXext libXrandr libXtst libSM libICE libxcb
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libpqxx gtk3
libselinux pciutils libpulseaudio
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];
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libPath32 = lib.makeLibraryPath [ gcc_32bit.cc ];
binPath = lib.makeBinPath [ nodejs gnutar ];
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ver = "2018.3.0";
build = "f2";
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in stdenv.mkDerivation {
pname = "unity-editor";
version = "${ver}x${build}";
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src = fetchurl {
url = "https://beta.unity3d.com/download/6e9a27477296/LinuxEditorInstaller/Unity.tar.xz";
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sha1 = "083imikkrgha5w9sihjvv1m74naxm5yv";
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};
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nosuidLib = ./unity-nosuid.c;
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nativeBuildInputs = [ makeWrapper file getopt ];
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outputs = [ "out" ];
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sourceRoot = ".";
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buildPhase = ''
cd Editor
$CC -fPIC -shared -o libunity-nosuid.so $nosuidLib -ldl
strip libunity-nosuid.so
cd ..
'';
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installPhase = ''
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unitydir="$out/opt/Unity/Editor"
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mkdir -p $unitydir
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mv Editor/* $unitydir
ln -sf /run/wrappers/bin/${chromium.sandboxExecutableName} $unitydir/chrome-sandbox
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mkdir -p $out/bin
makeWrapper $unitydir/Unity $out/bin/unity-editor \
--prefix LD_LIBRARY_PATH : "${libPath64}" \
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--prefix LD_PRELOAD : "$unitydir/libunity-nosuid.so" \
--prefix PATH : "${binPath}"
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'';
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preFixup = ''
patchFile() {
ftype="$(file -b "$1")"
if [[ "$ftype" =~ LSB\ .*dynamically\ linked ]]; then
if [[ "$ftype" =~ 32-bit ]]; then
rpath="${libPath32}"
intp="$(cat $NIX_CC/nix-support/dynamic-linker-m32)"
else
rpath="${libPath64}"
intp="$(cat $NIX_CC/nix-support/dynamic-linker)"
fi
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# Save origin-relative parts of rpath.
originRpath="$(patchelf --print-rpath "$1" | sed "s/:/\n/g" | grep "^\$ORIGIN" | paste -sd ":" - || echo "")"
rpath="$originRpath:$rpath"
patchelf --set-rpath "$rpath" "$1"
patchelf --set-interpreter "$intp" "$1" 2> /dev/null || true
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fi
}
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upm_linux=$unitydir/Data/Resources/PackageManager/Server/UnityPackageManager
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orig_size=$(stat --printf=%s $upm_linux)
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# Exclude PlaybackEngines to build something that can be run on FHS-compliant Linuxes
find $unitydir -name PlaybackEngines -prune -o -type f -print | while read path; do
patchFile "$path"
done
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new_size=$(stat --printf=%s $upm_linux)
###### zeit-pkg fixing starts here.
# we're replacing plaintext js code that looks like
# PAYLOAD_POSITION = '1234 ' | 0
# [...]
# PRELUDE_POSITION = '1234 ' | 0
# ^-----20-chars-----^^------22-chars------^
# ^-- grep points here
#
# var_* are as described above
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# shift_by seems to be safe so long as all patchelf adjustments occur
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# before any locations pointed to by hardcoded offsets
var_skip=20
var_select=22
shift_by=$(expr $new_size - $orig_size)
function fix_offset {
# $1 = name of variable to adjust
location=$(grep -obUam1 "$1" $upm_linux | cut -d: -f1)
location=$(expr $location + $var_skip)
value=$(dd if=$upm_linux iflag=count_bytes,skip_bytes skip=$location \
bs=1 count=$var_select status=none)
value=$(expr $shift_by + $value)
echo -n $value | dd of=$upm_linux bs=1 seek=$location conv=notrunc
}
fix_offset PAYLOAD_POSITION
fix_offset PRELUDE_POSITION
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'';
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dontStrip = true;
dontPatchELF = true;
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meta = with lib; {
homepage = "https://unity3d.com/";
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description = "Game development tool";
longDescription = ''
Popular development platform for creating 2D and 3D multiplatform games
and interactive experiences.
'';
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license = licenses.unfree;
platforms = [ "x86_64-linux" ];
maintainers = with maintainers; [ tesq0 ];
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};
}