From 17c0585cd15523974510827a47f142b6105fb27c Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Wed, 16 Jun 2021 09:33:33 +0200
Subject: [PATCH] [Backport release-21.05] texlive: allow substitutes for
 texlive packages (#126866)

* texlive: allow substitutes for texlive packages

(cherry picked from commit 0f1e7e09b56cc8d98c5d02b87dd2626be9456d9c)

(cherry picked from commit 54cd3b840d4043322da7cfefd3a7d8ee80d68bc4)

Co-authored-by: Vincenzo Mantova <xworld21@users.sf.net>
---
 pkgs/tools/typesetting/tex/texlive/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/typesetting/tex/texlive/default.nix b/pkgs/tools/typesetting/tex/texlive/default.nix
index 4ba42cbce57..f7bd02d8af5 100644
--- a/pkgs/tools/typesetting/tex/texlive/default.nix
+++ b/pkgs/tools/typesetting/tex/texlive/default.nix
@@ -131,6 +131,7 @@ let
 
     in if sha512 == "" then
       # hash stripped from pkgs.nix to save space -> fetch&unpack in a single step
+      # currently unused as we prefer to keep the sha512 hashes for reproducibility
       fetchurl {
         inherit urls;
         sha1 = if fixedHash == null then throw "TeX Live package ${tlName} is missing hash!"
@@ -144,8 +145,7 @@ let
         // passthru
 
     else runCommand "texlive-${tlName}"
-      ( { # lots of derivations, not meant to be cached
-          preferLocalBuild = true; allowSubstitutes = false;
+      ( {
           inherit passthru;
         } // lib.optionalAttrs (fixedHash != null) {
           outputHash = fixedHash;