93 lines
3.2 KiB
Nix
93 lines
3.2 KiB
Nix
{ lib
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, stdenv
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, fetchurl
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, runCommand
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, makeWrapper
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, buildFHSEnv
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, libselinux
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, libarchive
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, libGL
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, xorg
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, zlib
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# Conda installs its packages and environments under this directory
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, installationPath ? "~/.conda"
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# Conda manages most pkgs itself, but expects a few to be on the system.
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, condaDeps ? [ stdenv.cc xorg.libSM xorg.libICE xorg.libX11 xorg.libXau xorg.libXi xorg.libXrender libselinux libGL zlib]
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# Any extra nixpkgs you'd like available in the FHS env for Conda to use
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, extraPkgs ? [ ]
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}:
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# How to use this package?
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#
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# First-time setup: this nixpkg downloads the conda installer and provides a FHS
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# env in which it can run. On first use, the user will need to install conda to
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# the installPath using the installer:
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# $ nix-env -iA conda
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# $ conda-shell
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# $ conda-install
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#
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# Under normal usage, simply call `conda-shell` to activate the FHS env,
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# and then use conda commands as normal:
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# $ conda-shell
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# $ conda install spyder
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let
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version = "4.11.0";
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src = fetchurl {
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url = "https://repo.continuum.io/miniconda/Miniconda3-py39_${version}-Linux-x86_64.sh";
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sha256 = "sha256-TunDqlMynNemO0mHfAurtJsZt+WvKYB7eTp2vbHTYrQ=";
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};
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conda = (
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let
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libPath = lib.makeLibraryPath [
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zlib # libz.so.1
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];
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in
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runCommand "conda-install" { nativeBuildInputs = [ makeWrapper ]; buildInputs = [ zlib]; }
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# on line 10, we have 'unset LD_LIBRARY_PATH'
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# we have to comment it out however in a way that the number of bytes in the
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# file does not change. So we replace the 'u' in the line with a '#'
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# The reason is that the binary payload is encoded as number
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# of bytes from the top of the installer script
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# and unsetting the library path prevents the zlib library from being discovered
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''
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mkdir -p $out/bin
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sed 's/unset LD_LIBRARY_PATH/#nset LD_LIBRARY_PATH/' ${src} > $out/bin/miniconda-installer.sh
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chmod +x $out/bin/miniconda-installer.sh
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makeWrapper \
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$out/bin/miniconda-installer.sh \
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$out/bin/conda-install \
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--add-flags "-p ${installationPath}" \
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--add-flags "-b" \
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--prefix "LD_LIBRARY_PATH" : "${libPath}"
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'');
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in
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buildFHSEnv {
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name = "conda-shell";
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targetPkgs = pkgs: (builtins.concatLists [ [ conda ] condaDeps extraPkgs]);
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profile = ''
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# Add conda to PATH
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export PATH=${installationPath}/bin:$PATH
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# Paths for gcc if compiling some C sources with pip
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export NIX_CFLAGS_COMPILE="-I${installationPath}/include"
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export NIX_CFLAGS_LINK="-L${installationPath}lib"
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# Some other required environment variables
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export FONTCONFIG_FILE=/etc/fonts/fonts.conf
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export QTCOMPOSE=${xorg.libX11}/share/X11/locale
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export LIBARCHIVE=${libarchive.lib}/lib/libarchive.so
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# Allows `conda activate` to work properly
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source ${installationPath}/etc/profile.d/conda.sh
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'';
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runScript = "bash -l";
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meta = {
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description = "Conda is a package manager for Python";
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homepage = "https://conda.io/";
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platforms = lib.platforms.linux;
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license = lib.licenses.bsd3;
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maintainers = with lib.maintainers; [ jluttine bhipple ];
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};
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}
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