{ stdenv , fetchFromGitHub , fetchpatch , fetchurl }: # 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 $out. # This is done because multiple derivations rely on these sources and they should # all get the same sources with the same patches applied. stdenv.mkDerivation rec { version = "10.2"; pname = "sage-src"; src = fetchFromGitHub { owner = "sagemath"; repo = "sage"; rev = version; sha256 = "sha256-VXnPdJhtw5Y/anecrVpevJDCyBVfnjksyuuZslNipm4="; }; # contains essential files (e.g., setup.cfg) generated by the bootstrap script. # TODO: investigate https://github.com/sagemath/sage/pull/35950 configure-src = fetchurl { # the hash below is the tagged commit's _parent_. it can also be found by looking for # the "configure" asset at https://github.com/sagemath/sage/releases/tag/${version} url = "mirror://sageupstream/configure/configure-b2813506039143e6f0abe859ab67a343abf72c2e.tar.gz"; sha256 = "sha256-a1v0XyoKI+zO6Sjm8DzEwItRHbIgRDbpj4UfwVH+/hw="; }; # 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/37123, to land in 10.3.beta7 (fetchpatch { name = "scipy-1.12-upgrade.patch"; url = "https://github.com/sagemath/sage/commit/54eec464e9fdf18b411d9148aecb918178e95909.diff"; sha256 = "sha256-9wyNrcSfF6mYFTIV4ev2OdD7igb0AeyZZYWSc/+JrIU="; }) ]; 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\", \"$out\")|" \ src/sage/env.py # sage --docbuild unsets JUPYTER_PATH, which breaks our docbuilding # https://trac.sagemath.org/ticket/33650#comment:32 sed -i "/export JUPYTER_PATH/d" src/bin/sage ''; buildPhase = "# do nothing"; installPhase = '' cp -r . "$out" tar xkzf ${configure-src} -C "$out" rm "$out/configure" ''; }