From b59560c3f8155ecf0a564f56f3e0ec26dc746202 Mon Sep 17 00:00:00 2001
From: Silvan Mosberger <silvan.mosberger@tweag.io>
Date: Fri, 14 Jun 2024 20:22:38 +0200
Subject: doc: Use build-time to insert dynamic python interpreter table

Nix eval isn't made to patch stuff, it's more flexible to do it at build
time
---
 doc/default.nix | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

(limited to 'doc/default.nix')

diff --git a/doc/default.nix b/doc/default.nix
index 14c828b02a061..369220dcc5365 100644
--- a/doc/default.nix
+++ b/doc/default.nix
@@ -105,14 +105,12 @@ in pkgs.stdenv.mkDerivation {
     ln -s ${optionsDoc.optionsJSON}/share/doc/nixos/options.json ./config-options.json
   '';
 
-  buildPhase = let
-    pythonInterpreterTable = pkgs.callPackage ./doc-support/python-interpreter-table.nix {};
-    pythonSection = with lib.strings; replaceStrings
-      [ "@python-interpreter-table@" ]
-      [ pythonInterpreterTable ]
-      (readFile ./languages-frameworks/python.section.md);
-  in ''
-    cp ${builtins.toFile "python.section.md" pythonSection} ./languages-frameworks/python.section.md
+  pythonInterpreterTable = pkgs.callPackage ./doc-support/python-interpreter-table.nix {};
+
+  passAsFile = [ "pythonInterpreterTable" ];
+
+  buildPhase = ''
+    substituteInPlace ./languages-frameworks/python.section.md --subst-var-by python-interpreter-table "$(<"$pythonInterpreterTablePath")"
 
     cat \
       ./functions/library.md.in \
-- 
cgit 1.4.1