From 192c3ecd4bcc317c3d8868d3c944a75de0dee32e Mon Sep 17 00:00:00 2001
From: Atemu <atemu.main@gmail.com>
Date: Tue, 7 Mar 2023 20:35:30 +0100
Subject: [PATCH] buildFHSEnvBubblewrap: allow deeper introspection via
 passthru

---
 .../{env.nix => buildFHSEnv.nix}                      |  6 +++++-
 .../build-fhs-userenv-bubblewrap/default.nix          | 11 ++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)
 rename pkgs/build-support/build-fhs-userenv-bubblewrap/{env.nix => buildFHSEnv.nix} (98%)

diff --git a/pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix b/pkgs/build-support/build-fhs-userenv-bubblewrap/buildFHSEnv.nix
similarity index 98%
rename from pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix
rename to pkgs/build-support/build-fhs-userenv-bubblewrap/buildFHSEnv.nix
index c4d967a11c69..0d98c0a2bc64 100644
--- a/pkgs/build-support/build-fhs-userenv-bubblewrap/env.nix
+++ b/pkgs/build-support/build-fhs-userenv-bubblewrap/buildFHSEnv.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, buildEnv, writeText, writeShellScriptBin, pkgs, pkgsi686Linux }:
 
-{ name, profile ? ""
+args@{ name, profile ? ""
 , targetPkgs ? pkgs: [], multiPkgs ? pkgs: []
 , extraBuildCommands ? "", extraBuildCommandsMulti ? ""
 , extraOutputsToInstall ? []
@@ -216,4 +216,8 @@ in stdenv.mkDerivation {
   '';
   preferLocalBuild = true;
   allowSubstitutes = false;
+
+  passthru = {
+    inherit args multiPaths targetPaths;
+  };
 }
diff --git a/pkgs/build-support/build-fhs-userenv-bubblewrap/default.nix b/pkgs/build-support/build-fhs-userenv-bubblewrap/default.nix
index 76e68573faa8..290ad35c0640 100644
--- a/pkgs/build-support/build-fhs-userenv-bubblewrap/default.nix
+++ b/pkgs/build-support/build-fhs-userenv-bubblewrap/default.nix
@@ -19,9 +19,9 @@ args @ {
 
 with builtins;
 let
-  buildFHSEnv = callPackage ./env.nix { };
+  buildFHSEnv = callPackage ./buildFHSEnv.nix { };
 
-  env = buildFHSEnv (removeAttrs args [
+  fhsenv = buildFHSEnv (removeAttrs args [
     "runScript" "extraInstallCommands" "meta" "passthru" "extraBwrapArgs" "dieWithParent"
     "unshareUser" "unshareCgroup" "unshareUts" "unshareNet" "unsharePid" "unshareIpc"
   ]);
@@ -102,7 +102,7 @@ let
     ro_mounts=()
     symlinks=()
     etc_ignored=()
-    for i in ${env}/*; do
+    for i in ${fhsenv}/*; do
       path="/''${i##*/}"
       if [[ $path == '/etc' ]]; then
         :
@@ -115,8 +115,8 @@ let
       fi
     done
 
-    if [[ -d ${env}/etc ]]; then
-      for i in ${env}/etc/*; do
+    if [[ -d ${fhsenv}/etc ]]; then
+      for i in ${fhsenv}/etc/*; do
         path="/''${i##*/}"
         # NOTE: we're binding /etc/fonts and /etc/ssl/certs from the host so we
         # don't want to override it with a path from the FHS environment.
@@ -215,6 +215,7 @@ in runCommandLocal name {
       echo >&2 ""
       exit 1
     '';
+    inherit args fhsenv;
   };
 } ''
   mkdir -p $out/bin