102 lines
4.1 KiB
Nix
102 lines
4.1 KiB
Nix
{ stdenv , fetchurl, alsa-lib, freetype, glib, glibc, libcurl-gnutls, libgl, libglvnd, libsecret }:
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# Adapted from https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=vital-synth
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# Example https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/audio/bitwig-studio/bitwig-studio4.nix
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let
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# Variables from AUR pkgbuild
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maintainer = "jackreeds";
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pkgname_deb = "VitalInstaller";
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in stdenv.mkDerivation rec {
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pname = "vital-synth";
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version = "1.0.8";
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src = fetchurl {
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url = "https://github.com/${maintainer}/${pkgname_deb}/releases/download/${version}/${pkgname_deb}.deb";
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sha512 = "829d29a0c41ac9f79ca6d069e2e4f404a501abdcdc487fbb4e1e8afd44bf870c6c41095587c98f810fb946d946179468f8d5f417e67785313152a1613cf4a832";
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};
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# - wrapGAppsHook will add the applications share directory to XDG_DATA_DIRS
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# It is also used to populate many environment variables related to icon themes etc.
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# - makeWrapper allows to add environment variables and other stuff to the application, like a closure
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# TODO: Is wrapGAppsHook needed?
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nativeBuildInputs = [ dpkg makeWrapper wrapGAppsHook ];
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# We downloaded a .deb file, unpack it to root = [ usr/bin usr/lib usr/share ]
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unpackCmd = ''
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mkdir -p root
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dpkg-deb -x $curSrc root
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'';
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dontBuild = true;
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dontWrapGApps = true; # we only want $gappsWrapperArgs here
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# From AUR pkgbuild:
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# depends=('alsa-lib>=1.0.16' 'freetype2>=2.2.1' 'gcc-libs' 'gcc>=3.3.1' 'glib2>=2.12.0' 'glibc>=2.17'
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# 'libcurl-gnutls>=7.16.2' 'libgl' 'libglvnd' 'libsecret>=0.7')
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# TODO: Verify every single dependency
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buildInputs = [
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alsa-lib freetype glib glibc libcurl-gnutls libgl libglvnd libsecret stdenv.cc.cc.lib
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];
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# Copy the contents of the .deb package to the $out directory that nix creates for built derivations
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# Very simple as the vital .deb has a very basic format (only [ usr/bin usr/lib usr/share ])
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installPhase = ''
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runHook preInstall
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cp -r usr/* $out/
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chmod +x $out/bin/vital
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runHook postInstall
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'';
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# This was also in the bitwig-studio example but I don't think it is needed as the .desktop
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# file doesn't contain absolute paths to the executable.
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# Also it probably requires that the .desktop file isn't already in $out/share/applications,
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# but I copied it there already by copying all the contents from usr/
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# substitute usr/share/applications/vital.desktop \
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# $out/share/applications/vital.desktop \
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# --replace /usr/bin/vital $out/bin/vital
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# This is taken from the bitwig-studio example and I don't fully understand it...
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# Basically the output path is searched for executables, these are then pached/linked with the
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# needed libraries. These libraries are then provided through the LD_LIBRARY_PATH
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postFixup = ''
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# Find all executables that should be patched
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find $out -type f -executable \
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-not -name '*.so.*' \
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-not -name '*.so' \
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while IFS= read -r f ; do
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# I don't exactly understand this, have to read up on patchelf
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patchelf --set-interpreter "${stdenv.cc.bintools.dynamicLinker}" $f
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wrapProgram $f \
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# I don't know what this does
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"''${gappsWrapperArgs[@]}" \
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# I don't know what binaries are needed for vital, probably not these
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# --prefix PATH : "${lib.makeBinPath [ xdg-utils ffmpeg ]}" \
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# We build the library path from our enabled buildInputs
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--suffix LD_LIBRARY_PATH : "${lib.strings.makeLibraryPath buildInputs}"
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done
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'';
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# This is specific for bitwig-studio derivation
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# find $out -type f -executable -name 'jspawnhelper' | \
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# while IFS= read -r f ; do
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# patchelf --set-interpreter "${stdenv.cc.bintools.dynamicLinker}" $f
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# done
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meta = with lib; {
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description = "A wavetable synthesizer.";
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longDescription = ''
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Powerful wavetable synthesizer with realtime modulation feedback.
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Vital is a MIDI enabled polyphonic music synthesizer with an easy to use
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parameter modulation system with real-time graphical feedback.
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'';
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homepage = "https://vital.audio/";
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license = licenses.gpl3Only;
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platforms = [ "x86_64-linux" ];
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};
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} |