nix: add experimental derivation to build conda package deterministically

This commit is contained in:
Sebastien Bourdeauducq 2019-02-08 15:23:31 +08:00
parent 3e8fe3f29d
commit 6f1bb5c351
1 changed files with 61 additions and 0 deletions

61
nix/disciplined-conda.nix Normal file
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# nix-build -E "with import <nixpkgs> {}; callPackage ./disciplined-conda.nix {}"
{ stdenv
, fetchurl
, runCommand
, buildFHSUserEnv
, libselinux
, xorg
}:
let
condaDeps = [ stdenv.cc xorg.libSM xorg.libICE xorg.libXrender libselinux ];
# Use the full Anaconda distribution, which already contains conda-build and its many dependencies,
# so we don't have to manually deal with them.
condaInstaller = fetchurl {
url = "https://repo.anaconda.com/archive/Anaconda3-2018.12-Linux-x86_64.sh";
sha256 = "006fgyz75ihd00qzbr1cny97xf1mwnzibbqyhskghraqgs2x068h";
};
condaSrcChmod = runCommand "conda-src-chmod" { } "mkdir $out; cp ${condaInstaller} $out/conda-installer.sh; chmod +x $out/conda-installer.sh";
condaInstallerEnv = buildFHSUserEnv {
name = "conda-installer-env";
targetPkgs = pkgs: ([ condaSrcChmod ] ++ condaDeps);
};
# Git depends on libiconv
condaIconv = fetchurl {
url = "https://anaconda.org/conda-forge/libiconv/1.15/download/linux-64/libiconv-1.15-h14c3975_1004.tar.bz2";
sha256 = "167j8jpr6mnyrzwp18dr52xr3xjsf39q452ag247ijlmp092v8ns";
};
condaGit = fetchurl {
url = "https://anaconda.org/conda-forge/git/2.20.1/download/linux-64/git-2.20.1-pl526hc122a05_1001.tar.bz2";
sha256 = "03s01xq2jj7zbx7jfzz6agy40jj7xkq6dwar3lw1z5j2rbmh8h0h";
};
condaInstalled = runCommand "conda-installed" { }
''
${condaInstallerEnv}/bin/conda-installer-env -c "${condaSrcChmod}/conda-installer.sh -p $out -b"
${condaInstallerEnv}/bin/conda-installer-env -c "$out/bin/conda install ${condaIconv}"
${condaInstallerEnv}/bin/conda-installer-env -c "$out/bin/conda install ${condaGit}"
'';
condaBuilderEnv = buildFHSUserEnv {
name = "conda-builder-env";
targetPkgs = pkgs: [ condaInstalled ] ++ condaDeps;
};
in stdenv.mkDerivation {
name = "conda-artiq";
src = ../.;
buildInputs = [ condaBuilderEnv ];
buildCommand =
''
HOME=`pwd`
# Build requirements make conda-build fail when disconnected from the internet, e.g. in the nix sandbox.
# Just ignore them - python and setuptools are installed anyway.
cat << EOF > clobber.yaml
requirements:
build:
EOF
mkdir $out
${condaBuilderEnv}/bin/conda-builder-env -c "conda build --clobber-file clobber.yaml --no-anaconda-upload --no-test --output-folder $out $src/conda/artiq"
'';
}