From 12c232030c92f6a2a0ce0026ad0ca391273b3045 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Thu, 16 Dec 2021 10:54:13 -0500
Subject: [PATCH 1/2] overrides: matplotlib: use MPLSETUPCFG

This modifies the override to be forward compatible with the upstream change
https://github.com/NixOS/nixpkgs/commit/7dc44307515de130daf661814891d8844fdf701f
---
 overrides.nix | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/overrides.nix b/overrides.nix
index d70c013..1cd440e 100644
--- a/overrides.nix
+++ b/overrides.nix
@@ -779,18 +779,13 @@ self: super:
         self.setuptools-scm-git-archive
       ];
 
-      postPatch = ''
-        cat > '' +
-      (if lib.versionAtLeast super.matplotlib.version "3.5.0" then "mplsetup.cfg" else "setup.cfg") +
-      '' <<EOF
+      MPLSETUPCFG = writeText "mplsetup.cfg" ''
         [libs]
         system_freetype = True
         system_qhull = True
       '' + lib.optionalString stdenv.isDarwin ''
         # LTO not working in darwin stdenv, see NixOS/nixpkgs/pull/19312
         enable_lto = false
-      '' + ''
-        EOF
       '';
 
       propagatedBuildInputs = (old.propagatedBuildInputs or [ ]) ++ [

From c9ee272ab0e45845d3c1fca2656256c11ffa19ab Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Thu, 16 Dec 2021 13:33:34 -0500
Subject: [PATCH 2/2] !fixup

---
 overrides.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/overrides.nix b/overrides.nix
index 1cd440e..790ee85 100644
--- a/overrides.nix
+++ b/overrides.nix
@@ -779,7 +779,7 @@ self: super:
         self.setuptools-scm-git-archive
       ];
 
-      MPLSETUPCFG = writeText "mplsetup.cfg" ''
+      MPLSETUPCFG = pkgs.writeText "mplsetup.cfg" ''
         [libs]
         system_freetype = True
         system_qhull = True