nixpkgs/pkgs/applications/science/math/sage/sage-src.nix
2023-05-21 22:37:53 +02:00

103 lines
4.1 KiB
Nix

{ stdenv
, fetchFromGitHub
, fetchpatch
}:
# This file is responsible for fetching the sage source and adding necessary patches.
# It does not actually build anything, it just copies the patched sources to $out.
# This is done because multiple derivations rely on these sources and they should
# all get the same sources with the same patches applied.
stdenv.mkDerivation rec {
version = "10.0";
pname = "sage-src";
src = fetchFromGitHub {
owner = "sagemath";
repo = "sage";
rev = version;
sha256 = "sha256-zN/Lo/GBCjYGemuaYpgG3laufN8te3wPjXMQ+Me9zgY=";
};
# Patches needed because of particularities of nix or the way this is packaged.
# The goal is to upstream all of them and get rid of this list.
nixPatches = [
# Parallelize docubuild using subprocesses, fixing an isolation issue. See
# https://groups.google.com/forum/#!topic/sage-packaging/YGOm8tkADrE
./patches/sphinx-docbuild-subprocesses.patch
# After updating smypow to (https://github.com/sagemath/sage/issues/3360)
# we can now set the cache dir to be within the .sage directory. This is
# not strictly necessary, but keeps us from littering in the user's HOME.
./patches/sympow-cache.patch
];
# Since sage unfortunately does not release bugfix releases, packagers must
# fix those bugs themselves. This is for critical bugfixes, where "critical"
# == "causes (transient) doctest failures / somebody complained".
bugfixPatches = [
# Sage uses mixed integer programs (MIPs) to find edge disjoint
# spanning trees. For some reason, aarch64 glpk takes much longer
# than x86_64 glpk to solve such MIPs. Since the MIP formulation
# has "numerous problems" and will be replaced by a polynomial
# algorithm soon, disable this test for now.
# https://github.com/sagemath/sage/issues/34575
./patches/disable-slow-glpk-test.patch
];
# Patches needed because of package updates. We could just pin the versions of
# dependencies, but that would lead to rebuilds, confusion and the burdons of
# maintaining multiple versions of dependencies. Instead we try to make sage
# compatible with never dependency versions when possible. All these changes
# should come from or be proposed to upstream. This list will probably never
# be empty since dependencies update all the time.
packageUpgradePatches = [
# https://github.com/sagemath/sage/pull/35584, positively reviewed
(fetchpatch {
name = "networkx-3.1-upgrade.patch";
url = "https://github.com/sagemath/sage/compare/10.0.rc2..e599562cf5fdfb9799a5412fac40c2f8e9f97341.diff";
sha256 = "sha256-3A90kXqNR0c7+k8xrZXAt5wqWg/VFAPNhQujwTdOyhI=";
})
# https://github.com/sagemath/sage/pull/35612, positively reviewed
(fetchpatch {
name = "linbox-1.7-upgrade.patch";
url = "https://github.com/sagemath/sage/compare/10.0.rc2..9c8796c7b677e3a056348e3510331ea8b8c3c42e.diff";
sha256 = "sha256-/TpvIQZUqmbUuz6wvp3ni9oRir5LBA2FKDJcmnHI1r4=";
})
# https://github.com/sagemath/sage/pull/35619
(fetchpatch {
name = "maxima-5.46.0-upgrade.patch";
url = "https://github.com/sagemath/sage/compare/10.0.rc3..7e86af5dae8f89868b25a6f57189bb5ca618da89.diff";
sha256 = "sha256-pxSxdJ2lyHoMUIxhlIn1nTHaddRxGvvTj9IbwFCTBFU=";
})
# https://github.com/sagemath/sage/pull/35635, positively reviewed
(fetchpatch {
name = "sympy-1.12-upgrade.patch";
url = "https://github.com/sagemath/sage/compare/10.0.rc2..aa4193cdc8ec9fb7bd7c49696b7f914668f7913a.diff";
sha256 = "sha256-UAmYCxHvnE5p+H2DySNZTPFVm915jHtOEoG+tZz5n7I=";
})
];
patches = nixPatches ++ bugfixPatches ++ packageUpgradePatches;
# do not create .orig backup files if patch applies with fuzz
patchFlags = [ "--no-backup-if-mismatch" "-p1" ];
postPatch = ''
# Make sure sage can at least be imported without setting any environment
# variables. It won't be close to feature complete though.
sed -i \
"s|var(\"SAGE_ROOT\".*|var(\"SAGE_ROOT\", \"$out\")|" \
src/sage/env.py
'';
buildPhase = "# do nothing";
installPhase = ''
cp -r . "$out"
'';
}