77 lines
2.2 KiB
Nix
77 lines
2.2 KiB
Nix
{ stdenv
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, lib
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, fetchFromGitHub
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, python3
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, unstableGitUpdater
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, makeWrapper
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}:
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stdenv.mkDerivation rec {
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pname = "klipper";
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version = "unstable-2024-04-20";
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src = fetchFromGitHub {
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owner = "KevinOConnor";
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repo = "klipper";
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rev = "2f6e94c94cae036b70b02df996dc12e2e61e5dcb";
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sha256 = "sha256-qDV0L86NLQl8O/w9yuTnMZ0MdYfFn+u+jFUCDl5p1LY=";
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};
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sourceRoot = "${src.name}/klippy";
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# NB: This is needed for the postBuild step
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nativeBuildInputs = [
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(python3.withPackages ( p: with p; [ cffi ] ))
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makeWrapper
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];
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buildInputs = [ (python3.withPackages (p: with p; [ can cffi pyserial greenlet jinja2 markupsafe numpy ])) ];
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# we need to run this to prebuild the chelper.
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postBuild = ''
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python ./chelper/__init__.py
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'';
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# Python 3 is already supported but shebangs aren't updated yet
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postPatch = ''
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for file in klippy.py console.py parsedump.py; do
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substituteInPlace $file \
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--replace '/usr/bin/env python2' '/usr/bin/env python'
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done
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# needed for cross compilation
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substituteInPlace ./chelper/__init__.py \
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--replace 'GCC_CMD = "gcc"' 'GCC_CMD = "${stdenv.cc.targetPrefix}cc"'
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'';
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# NB: We don't move the main entry point into `/bin`, or even symlink it,
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# because it uses relative paths to find necessary modules. We could wrap but
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# this is used 99% of the time as a service, so it's not worth the effort.
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installPhase = ''
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runHook preInstall
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mkdir -p $out/lib/klipper
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cp -r ./* $out/lib/klipper
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# Moonraker expects `config_examples` and `docs` to be available
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# under `klipper_path`
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cp -r $src/docs $out/lib/docs
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cp -r $src/config $out/lib/config
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mkdir -p $out/bin
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chmod 755 $out/lib/klipper/klippy.py
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makeWrapper $out/lib/klipper/klippy.py $out/bin/klippy --chdir $out/lib/klipper
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runHook postInstall
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'';
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passthru.updateScript = unstableGitUpdater { url = meta.homepage; };
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meta = with lib; {
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description = "The Klipper 3D printer firmware";
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mainProgram = "klippy";
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homepage = "https://github.com/KevinOConnor/klipper";
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maintainers = with maintainers; [ lovesegfault zhaofengli cab404 ];
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platforms = platforms.linux;
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license = licenses.gpl3Only;
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};
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}
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