From 4d9a0aff06f2e4d8410d31e76f30867c2c69aecd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Wed, 22 Apr 2020 02:03:08 +0200
Subject: [PATCH] texlive: Fix texlive pstricks

The upgrade of ghostscript to 9.50 produced some issues with texlive
2019. This patch adds an additional fix necessary for the upgrade
preventing pstricks from working correctly:

  https://tug.org/pipermail/dvipdfmx/2019-November/000036.html

(cherry picked from commit bb79233b94bd5d9dc3b44a90ee0dc78d78c77569)
cc #85736

Conflicts:
	pkgs/tools/typesetting/tex/texlive/bin.nix
---
 pkgs/tools/typesetting/tex/texlive/bin.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/tools/typesetting/tex/texlive/bin.nix b/pkgs/tools/typesetting/tex/texlive/bin.nix
index aba967996dd3..6ec2e9afa6b0 100644
--- a/pkgs/tools/typesetting/tex/texlive/bin.nix
+++ b/pkgs/tools/typesetting/tex/texlive/bin.nix
@@ -70,6 +70,14 @@ let
     patches = [
       # poppler 0.84 compat fixups, use 0.83 files otherwise
       ./poppler84.patch
+
+      # Needed for ghostscript>=9.50
+      (fetchpatch {
+        name = "xdvipdfm-fix.patch";
+        url = "https://www.tug.org/svn/texlive/trunk/Build/source/texk/dvipdfm-x/spc_dvips.c?view=patch&r1=52765&r2=52764&pathrev=52765";
+        sha256 = "0qvrc7yxhbl5f4g340z8aql388bwib0m2gxd473skbmviy5bjr3f";
+        stripLen = 2;
+      })
     ];
 
     # remove when removing synctex-missing-header.patch