From b3427113eabfe09acae7741c00b1b7cc3c29c98c Mon Sep 17 00:00:00 2001
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Date: Tue, 28 May 2024 18:48:42 +0200
Subject: gnu: texlive-luatex: Set proper default values for "texmfcnf.lua".

* gnu/packages/tex.scm (texlive-luatex)[arguments]<#:phases>: Make TeX
specific environment variables match those in "texmf.cnf".

Change-Id: Idb80dbe849c1dcdeea234dbedba6d8f3668e2b3f
---
 gnu/packages/tex.scm | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

(limited to 'gnu')

diff --git a/gnu/packages/tex.scm b/gnu/packages/tex.scm
index 94d040e2af..6ce6ae6e8e 100644
--- a/gnu/packages/tex.scm
+++ b/gnu/packages/tex.scm
@@ -48040,8 +48040,22 @@ (define-public texlive-luatex
     (outputs '("out" "doc"))
     (build-system texlive-build-system)
     (arguments
-     (list #:texlive-latex-bin? #f
-           #:create-formats #~(list "dviluatex" "luatex")))
+     (list
+      #:texlive-latex-bin? #f
+      #:create-formats #~(list "dviluatex" "luatex")
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'customize-texmfcnf.lua
+            (lambda _
+              (substitute* "web2c/texmfcnf.lua"
+                (("TEXMFDIST *=.*") "TEXMFDIST = os.getenv(\"GUIX_TEXMF\"),\n")
+                (("TEXMFSYSVAR *=.*")
+                 "TEXMFSYSVAR = \"$TEXMFDIST/../texmf-var\",\n")
+                (("TEXMFSYSCONFIG *=.*")
+                 "TEXMFSYSCONFIG = \"$TEXMFDIST/../texmf-config\",\n")
+                (("TEXMF *=.*")
+                 "TEXMF = \"{$TEXMFCONFIG,$TEXMFVAR,$TEXMFHOME,$TEXMFSYSCONFIG,$TEXMFSYSVAR,$TEXMFDIST}\",\n")))))))
+    (native-inputs (list texlive-kpathsea))
     (propagated-inputs
      (list texlive-cm
            texlive-etex
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