From 712eeefb3ca39d480029174af9fe5c82c9f5894e Mon Sep 17 00:00:00 2001
From: Audrey Dutcher <audrey@rhelmot.io>
Date: Sun, 30 Mar 2025 09:22:52 -0700
Subject: [PATCH] freebsd.libutil: add option to build with pwd_mkdb path

---
 pkgs/os-specific/bsd/freebsd/pkgs/libpam.nix   | 5 +++++
 pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix  | 7 +++++++
 pkgs/os-specific/bsd/freebsd/pkgs/pwd_mkdb.nix | 2 ++
 3 files changed, 14 insertions(+)

diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/libpam.nix b/pkgs/os-specific/bsd/freebsd/pkgs/libpam.nix
index 2afb20377d6b..07eb78a04a11 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/libpam.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/libpam.nix
@@ -2,6 +2,8 @@
   mkDerivation,
   openssl,
   libradius,
+  libutil,
+  pwd_mkdb,
 }:
 mkDerivation {
   path = "lib/libpam/libpam";
@@ -15,6 +17,9 @@ mkDerivation {
   buildInputs = [
     libradius
     openssl
+    (libutil.override {
+      withPwdMkdb = pwd_mkdb;
+    })
   ];
 
   MK_NIS = "no"; # TODO
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix b/pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix
index 8c7641339fe3..b522e92f7b78 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix
@@ -1,9 +1,11 @@
 {
+  lib,
   mkDerivation,
   include,
   libgcc,
   libcMinimal,
   csu,
+  withPwdMkdb ? null,
 }:
 mkDerivation {
   path = "lib/libutil";
@@ -26,6 +28,11 @@ mkDerivation {
     libcMinimal
   ];
 
+  # XXX mass rebuild moment
+  postPatch = if withPwdMkdb == null then null else ''
+    substituteInPlace lib/libutil/pw_util.c --replace-fail _PATH_PWD_MKDB '"${lib.getExe withPwdMkdb}"'
+  '';
+
   preBuild = ''
     export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -B${csu}/lib"
   '';
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/pwd_mkdb.nix b/pkgs/os-specific/bsd/freebsd/pkgs/pwd_mkdb.nix
index 27c3a9cec42a..3ba690ff5119 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/pwd_mkdb.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/pwd_mkdb.nix
@@ -3,4 +3,6 @@ mkDerivation {
   path = "usr.sbin/pwd_mkdb";
 
   extraPaths = [ "lib/libc/gen" ];
+
+  meta.mainProgram = "pwd_mkdb";
 }