From 2d78d928cdd964e7b38e57e2f69f71b62d106cc2 Mon Sep 17 00:00:00 2001
From: Timo Kaufmann <timokau@zoho.com>
Date: Thu, 20 Jun 2019 12:17:33 +0200
Subject: [PATCH 1/2] sage: backport threejs r100 compatibility

https://github.com/NixOS/nixpkgs/issues/62736#issuecomment-503757429
---
 pkgs/applications/science/math/sage/sage-src.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/applications/science/math/sage/sage-src.nix b/pkgs/applications/science/math/sage/sage-src.nix
index e0050efe6bd..013b1bca930 100644
--- a/pkgs/applications/science/math/sage/sage-src.nix
+++ b/pkgs/applications/science/math/sage/sage-src.nix
@@ -152,6 +152,13 @@ stdenv.mkDerivation rec {
       rev = "c11d9cfa23ff9f77681a8f12742f68143eed4504";
       sha256 = "0xzra7mbgqvahk9v45bjwir2mqz73hrhhy314jq5nxrb35ysdxyi";
     })
+
+    # https://trac.sagemath.org/ticket/26718
+    (fetchpatch {
+      name = "threejs-r100.patch";
+      url = "https://git.sagemath.org/sage.git/patch/?h=86c5bb000259e6de5d7c60afc608a4b0d010b690";
+      sha256 = "0sgqqd4df2bxsq19b6kfy7dvgyxprlpg7f3xx7g3fs8ij937m352";
+    })
   ];
 
   patches = nixPatches ++ bugfixPatches ++ packageUpgradePatches;

From 9955657209a827a98573ed808ba233db4bc1509b Mon Sep 17 00:00:00 2001
From: Timo Kaufmann <timokau@zoho.com>
Date: Thu, 20 Jun 2019 12:49:20 +0200
Subject: [PATCH 2/2] sage: fix online threejs

---
 pkgs/applications/science/math/sage/sage-with-env.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/applications/science/math/sage/sage-with-env.nix b/pkgs/applications/science/math/sage/sage-with-env.nix
index 5bb7eda47d5..e4b1aeae016 100644
--- a/pkgs/applications/science/math/sage/sage-with-env.nix
+++ b/pkgs/applications/science/math/sage/sage-with-env.nix
@@ -99,6 +99,13 @@ stdenv.mkDerivation rec {
     for pkg in ${lib.concatStringsSep " " input_names}; do
       touch "installed/$pkg"
     done
+
+    # threejs version is in format 0.<version>.minor, but sage currently still
+    # relies on installed_packages for the online version of threejs to work
+    # and expects the format r<version>. This is a hotfix for now.
+    # upstream: https://trac.sagemath.org/ticket/26434
+    rm "installed/threejs"*
+    touch "installed/threejs-r${lib.versions.minor three.version}"
   '';
 
   installPhase = ''