nixpkgs/pkgs/applications/science/math/sage/sage-with-env.nix
Daniel Schaefer 786f02f7a4 treewide: Remove usage of isNull
isNull "is deprecated; just write e == null instead" says the Nix manual
2019-04-29 14:05:50 +02:00

127 lines
3 KiB
Nix

{ stdenv
, lib
, makeWrapper
, sage-env
, openblasCompat
, pkg-config
, three
, singular
, gap
, giac
, maxima-ecl
, pari
, gmp
, gfan
, python2
, flintqs
, eclib
, ntl
, ecm
, pynac
, pythonEnv
}:
# Wrapper that combined `sagelib` with `sage-env` to produce an actually
# executable sage. No tests are run yet and no documentation is built.
let
buildInputs = [
pythonEnv # for patchShebangs
makeWrapper
pkg-config
openblasCompat # lots of segfaults with regular (64 bit) openblas
singular
three
pynac
giac
gap
pari
gmp
gfan
maxima-ecl
eclib
flintqs
ntl
ecm
];
# remove python prefix, replace "-" in the name by "_", apply patch_names
# python2.7-some-pkg-1.0 -> some_pkg-1.0
pkg_to_spkg_name = pkg: patch_names: let
parts = lib.splitString "-" pkg.name;
# remove python2.7-
stripped_parts = if (builtins.head parts) == python2.libPrefix then builtins.tail parts else parts;
version = lib.last stripped_parts;
orig_pkgname = lib.init stripped_parts;
pkgname = patch_names (lib.concatStringsSep "_" orig_pkgname);
in pkgname + "-" + version;
# return the names of all dependencies in the transitive closure
transitiveClosure = dep:
if dep == null then
# propagatedBuildInputs might contain null
# (although that might be considered a programming error in the derivation)
[]
else
[ dep ] ++ (
if builtins.hasAttr "propagatedBuildInputs" dep then
lib.unique (builtins.concatLists (map transitiveClosure dep.propagatedBuildInputs))
else
[]
);
allInputs = lib.remove null (buildInputs ++ pythonEnv.extraLibs);
transitiveDeps = lib.unique (builtins.concatLists (map transitiveClosure allInputs ));
# fix differences between spkg and sage names
# (could patch sage instead, but this is more lightweight and also works for packages depending on sage)
patch_names = builtins.replaceStrings [
"zope.interface"
"node_three"
] [
"zope_interface"
"threejs"
];
# spkg names (this_is_a_package-version) of all transitive deps
input_names = map (dep: pkg_to_spkg_name dep patch_names) transitiveDeps;
in
stdenv.mkDerivation rec {
version = src.version;
name = "sage-with-env-${version}";
src = sage-env.lib.src;
inherit buildInputs;
configurePhase = "#do nothing";
buildPhase = ''
mkdir installed
for pkg in ${lib.concatStringsSep " " input_names}; do
touch "installed/$pkg"
done
'';
installPhase = ''
mkdir -p "$out/var/lib/sage"
cp -r installed "$out/var/lib/sage"
mkdir -p "$out/etc"
# sage tests will try to create this file if it doesn't exist
touch "$out/etc/sage-started.txt"
mkdir -p "$out/build"
# the scripts in src/bin will find the actual sage source files using environment variables set in `sage-env`
cp -r src/bin "$out/bin"
cp -r build/bin "$out/build/bin"
cp -f '${sage-env}/sage-env' "$out/bin/sage-env"
substituteInPlace "$out/bin/sage-env" \
--subst-var-by sage-local "$out"
'';
passthru = {
env = sage-env;
};
}