From 91c9f2ab5c931ad036f6a5d1872c22d203b751af Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Mon, 30 Mar 2020 21:07:08 -0400
Subject: [PATCH] texlive.combine: set TEXMFCNF in binary wrapper

This helps kpathsea to find texmf.cnf in some cases. For example,
dvipng was trying to look for it in
/nix/store/<hash>-texlive-dvipng.bin-2019/ instead of
/nix/store/<hash>-texlive-combined-full-2019/.
---
 pkgs/tools/typesetting/tex/texlive/combine.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/typesetting/tex/texlive/combine.nix b/pkgs/tools/typesetting/tex/texlive/combine.nix
index cb4bc14927de..ee4d0dfe588a 100644
--- a/pkgs/tools/typesetting/tex/texlive/combine.nix
+++ b/pkgs/tools/typesetting/tex/texlive/combine.nix
@@ -153,7 +153,8 @@ in buildEnv {
       rm "$link"
       makeWrapper "$target" "$link" \
         --prefix PATH : "$out/bin:${perl}/bin" \
-        --prefix PERL5LIB : "$PERL5LIB"
+        --prefix PERL5LIB : "$PERL5LIB" \
+        --set-default TEXMFCNF "$TEXMFCNF"
 
       # avoid using non-nix shebang in $target by calling interpreter
       if [[ "$(head -c 2 "$target")" = "#!" ]]; then