hotfix for missing /bin/sh in nix builds

124237.patch

@@ -0,0 +1,36 @@
+From 113823669b9b71fff84bc592d1fd6022635c28eb Mon Sep 17 00:00:00 2001
+From: regnat <rg@regnat.ovh>
+Date: Mon, 24 May 2021 10:51:02 +0200
+Subject: [PATCH] Revert "nixos/nix-daemon: fix sandbox-paths option"
+
+This reverts commit aeeee447bcc181d57a19d348f857326f4e1959fe.
+---
+ nixos/modules/services/misc/nix-daemon.nix | 8 +-------
+ 1 file changed, 1 insertion(+), 7 deletions(-)
+
+diff --git a/nixos/modules/services/misc/nix-daemon.nix b/nixos/modules/services/misc/nix-daemon.nix
+index df745fa7168bc3..133e96da0ec8e6 100644
+--- a/nixos/modules/services/misc/nix-daemon.nix
++++ b/nixos/modules/services/misc/nix-daemon.nix
+@@ -12,8 +12,6 @@ let
+ 
+   isNix23 = versionAtLeast nixVersion "2.3pre";
+ 
+-  isNix24 = versionAtLeast nixVersion "2.4pre";
+-
+   makeNixBuildUser = nr: {
+     name  = "nixbld${toString nr}";
+     value = {
+@@ -43,11 +41,7 @@ let
+         max-jobs = ${toString (cfg.maxJobs)}
+         cores = ${toString (cfg.buildCores)}
+         sandbox = ${if (builtins.isBool cfg.useSandbox) then boolToString cfg.useSandbox else cfg.useSandbox}
+-        ${if isNix24 then ''
+-          sandbox-paths = ${toString cfg.sandboxPaths}
+-        '' else ''
+-          extra-sandbox-paths = ${toString cfg.sandboxPaths}
+-        ''}
++        extra-sandbox-paths = ${toString cfg.sandboxPaths}
+         substituters = ${toString cfg.binaryCaches}
+         trusted-substituters = ${toString cfg.trustedBinaryCaches}
+         trusted-public-keys = ${toString cfg.binaryCachePublicKeys}

flake.nix

@@ -15,6 +15,8 @@
 
     channels.nixpkgs.input = nixpkgs;
 
+    channels.nixpkgs.patches = [ ./124237.patch ];
+
     hostDefaults = {
       modules = [
         utils.nixosModules.saneFlakeDefaults