From 0badc2389af6f730d2acab4cb66554ddab39b57a Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Fri, 19 Aug 2022 15:16:13 +0200
Subject: [PATCH] nss: migrate manual patching into postPatch

---
 pkgs/development/libraries/nss/generic.nix | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/pkgs/development/libraries/nss/generic.nix b/pkgs/development/libraries/nss/generic.nix
index c2d9518c9023..e6d2eae2449c 100644
--- a/pkgs/development/libraries/nss/generic.nix
+++ b/pkgs/development/libraries/nss/generic.nix
@@ -39,16 +39,6 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [ nspr ];
 
-  prePatch = ''
-    patchShebangs nss
-
-    for f in nss/coreconf/config.gypi nss/build.sh nss/coreconf/config.gypi; do
-      substituteInPlace "$f" --replace "/usr/bin/env" "${buildPackages.coreutils}/bin/env"
-    done
-
-    substituteInPlace nss/coreconf/config.gypi --replace "/usr/bin/grep" "${buildPackages.coreutils}/bin/env grep"
-  '';
-
   patches = [
     # Based on http://patch-tracker.debian.org/patch/series/dl/nss/2:3.15.4-1/85_security_load.patch
     (if (lib.versionOlder version "3.77") then
@@ -61,7 +51,15 @@ stdenv.mkDerivation rec {
 
   patchFlags = [ "-p0" ];
 
-  postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''
+  postPatch = ''
+    patchShebangs nss
+
+    for f in nss/coreconf/config.gypi nss/build.sh nss/coreconf/config.gypi; do
+      substituteInPlace "$f" --replace "/usr/bin/env" "${buildPackages.coreutils}/bin/env"
+    done
+
+    substituteInPlace nss/coreconf/config.gypi --replace "/usr/bin/grep" "${buildPackages.coreutils}/bin/env grep"
+  '' + lib.optionalString stdenv.hostPlatform.isDarwin ''
     substituteInPlace nss/coreconf/Darwin.mk --replace '@executable_path/$(notdir $@)' "$out/lib/\$(notdir \$@)"
     substituteInPlace nss/coreconf/config.gypi --replace "'DYLIB_INSTALL_NAME_BASE': '@executable_path'" "'DYLIB_INSTALL_NAME_BASE': '$out/lib'"
   '';