diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/drm-kmod-firmware.nix b/pkgs/os-specific/bsd/freebsd/pkgs/drm-kmod-firmware.nix
index df79d21e0bdd..08cfbc537640 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/drm-kmod-firmware.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/drm-kmod-firmware.nix
@@ -12,7 +12,7 @@ mkDerivation rec {
   pname =
     "drm-kmod-firmware" + lib.optionalString withAmd "-amd" + lib.optionalString withIntel "-intel";
 
-  version = "20230625_4";  # there is a _8 but freebsd-ports is pinned to _4
+  version = "20230625_4"; # there is a _8 but freebsd-ports is pinned to _4
 
   src = fetchFromGitHub {
     owner = "freebsd";
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/libdwarf.nix b/pkgs/os-specific/bsd/freebsd/pkgs/libdwarf.nix
index 34f228dcde31..cbd3bda91925 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/libdwarf.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/libdwarf.nix
@@ -16,6 +16,9 @@ mkDerivation {
     "sys/sys/elf_common.h"
   ];
   extraNativeBuildInputs = [ m4 ];
-  buildInputs = compatIfNeeded ++ [ zlib libelf ];
+  buildInputs = compatIfNeeded ++ [
+    zlib
+    libelf
+  ];
   MK_TESTS = "no";
 }
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix b/pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix
index b522e92f7b78..bd2bf5d2bec8 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/libutil.nix
@@ -29,9 +29,13 @@ mkDerivation {
   ];
 
   # XXX mass rebuild moment
-  postPatch = if withPwdMkdb == null then null else ''
-    substituteInPlace lib/libutil/pw_util.c --replace-fail _PATH_PWD_MKDB '"${lib.getExe withPwdMkdb}"'
-  '';
+  postPatch =
+    if withPwdMkdb == null then
+      null
+    else
+      ''
+        substituteInPlace lib/libutil/pw_util.c --replace-fail _PATH_PWD_MKDB '"${lib.getExe withPwdMkdb}"'
+      '';
 
   preBuild = ''
     export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -B${csu}/lib"
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/nvidia-driver/package.nix b/pkgs/os-specific/bsd/freebsd/pkgs/nvidia-driver/package.nix
index 1c763d679c0f..81bbed336fa3 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/nvidia-driver/package.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/nvidia-driver/package.nix
@@ -41,7 +41,7 @@ mkDerivation rec {
     "pic" # generates relocations the linker can't handle
   ];
 
-  env.NIX_CFLAGS_COMPILE_AFTER = "-O0";   # XXX REMOVE
+  env.NIX_CFLAGS_COMPILE_AFTER = "-O0"; # XXX REMOVE
 
   meta.platforms = [ "x86_64-freebsd" ];
   meta.license = lib.licenses.unfree;
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/nvidia-drm-kmod/package.nix b/pkgs/os-specific/bsd/freebsd/pkgs/nvidia-drm-kmod/package.nix
index 8e6966e46e94..7c1d55622ebc 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/nvidia-drm-kmod/package.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/nvidia-drm-kmod/package.nix
@@ -19,32 +19,36 @@ mkDerivation rec {
     "debug"
   ];
 
-  patches = lib.optionals (lib.versionOlder version "565") [
-    (fetchpatch {
-      url = "https://raw.githubusercontent.com/freebsd/freebsd-ports/d07cdab9108a8cf6ab66aa1ff834339f8695f457/graphics/nvidia-drm-61-kmod/files/extra-patch-nvidia-drm-conftest.h";
-      extraPrefix = "a/src/nvidia-drm";
-      hash = "sha256-EgzEx1VxQyoNpnY0MnNVa08A0ENSyU/rdRM2hOwUE2g=";
-    })
-  ] ++ lib.optionals (lib.versionOlder version "555") [
-    (fetchpatch {
-      url = "https://raw.githubusercontent.com/freebsd/freebsd-ports/d07cdab9108a8cf6ab66aa1ff834339f8695f457/graphics/nvidia-drm-61-kmod/files/extra-patch-nvidia-drm-freebsd-lkpi.c";
-      extraPrefix = "a/src/nvidia-drm";
-      hash = "sha256-aFOs811J5e9Nu8Kwd6dImiSefEOlKlnRp3kg7DTIccg=";
-    })
-  ];
+  patches =
+    lib.optionals (lib.versionOlder version "565") [
+      (fetchpatch {
+        url = "https://raw.githubusercontent.com/freebsd/freebsd-ports/d07cdab9108a8cf6ab66aa1ff834339f8695f457/graphics/nvidia-drm-61-kmod/files/extra-patch-nvidia-drm-conftest.h";
+        extraPrefix = "a/src/nvidia-drm";
+        hash = "sha256-EgzEx1VxQyoNpnY0MnNVa08A0ENSyU/rdRM2hOwUE2g=";
+      })
+    ]
+    ++ lib.optionals (lib.versionOlder version "555") [
+      (fetchpatch {
+        url = "https://raw.githubusercontent.com/freebsd/freebsd-ports/d07cdab9108a8cf6ab66aa1ff834339f8695f457/graphics/nvidia-drm-61-kmod/files/extra-patch-nvidia-drm-freebsd-lkpi.c";
+        extraPrefix = "a/src/nvidia-drm";
+        hash = "sha256-aFOs811J5e9Nu8Kwd6dImiSefEOlKlnRp3kg7DTIccg=";
+      })
+    ];
 
-  postPatch = lib.optionalString (lib.versionAtLeast version "570") ''
-    sed -E -i -e 's:\&nv_drm_fbdev_module_param\,  1\,:\&nv_drm_fbdev_module_param\,  0\,:' src/nvidia-drm/nvidia-drm-freebsd-lkpi.c
-    sed -E -i -e 's:bool nv_drm_fbdev_module_param = true;:bool nv_drm_fbdev_module_param = false;:' src/nvidia-drm/nvidia-drm-os-interface.c
-  '' + ''
-    sed -E -i -e '/DRMKMODDIR.*\/linuxkpi\/dummy\/include/d' src/nvidia-drm/Makefile
+  postPatch =
+    lib.optionalString (lib.versionAtLeast version "570") ''
+      sed -E -i -e 's:\&nv_drm_fbdev_module_param\,  1\,:\&nv_drm_fbdev_module_param\,  0\,:' src/nvidia-drm/nvidia-drm-freebsd-lkpi.c
+      sed -E -i -e 's:bool nv_drm_fbdev_module_param = true;:bool nv_drm_fbdev_module_param = false;:' src/nvidia-drm/nvidia-drm-os-interface.c
+    ''
+    + ''
+      sed -E -i -e '/DRMKMODDIR.*\/linuxkpi\/dummy\/include/d' src/nvidia-drm/Makefile
 
-    mkdir -p $TMP/bin
-    ln -s ${stdenv.cc}/bin/${stdenv.cc.targetPrefix}nm $TMP/bin/nm
-    export PATH=$PATH:$TMP/bin
-  '';
+      mkdir -p $TMP/bin
+      ln -s ${stdenv.cc}/bin/${stdenv.cc.targetPrefix}nm $TMP/bin/nm
+      export PATH=$PATH:$TMP/bin
+    '';
 
-  env.NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration";  # conftests rely on this
+  env.NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration"; # conftests rely on this
   env.CONFTEST_BSD_KMODPATHS = "${sys}/kernel ${drm-kmod}/kernel";
 
   extraNativeBuildInputs = [
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/sys/package.nix b/pkgs/os-specific/bsd/freebsd/pkgs/sys/package.nix
index 3c0882e33518..e2a765552add 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/sys/package.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/sys/package.nix
@@ -55,10 +55,10 @@ let
       for f in sys/conf/*.mk; do
         substituteInPlace "$f" --replace-quiet 'KERN_DEBUGDIR}''${' 'KERN_DEBUGDIR_'
       done
-      ''
-      + lib.optionalString (baseConfigFile != null) ''
-        cat ${baseConfigFile} >>sys/${hostArchBsd}/conf/${baseConfig}
-      '';
+    ''
+    + lib.optionalString (baseConfigFile != null) ''
+      cat ${baseConfigFile} >>sys/${hostArchBsd}/conf/${baseConfig}
+    '';
   };
 
   # Kernel modules need this for kern.opts.mk
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/v4l-compat.nix b/pkgs/os-specific/bsd/freebsd/pkgs/v4l-compat.nix
index f0e7bb9e91f5..6b350d8b0c54 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/v4l-compat.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/v4l-compat.nix
@@ -1,4 +1,8 @@
-{ lib, stdenv, fetchurl }:
+{
+  lib,
+  stdenv,
+  fetchurl,
+}:
 let
   types_h = fetchurl {
     url = "https://raw.githubusercontent.com/freebsd/freebsd-ports/3da53417998c611f340d75e45962da2fa912add5/multimedia/libv4l/files/types.h";
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/xf86-video-scfb.nix b/pkgs/os-specific/bsd/freebsd/pkgs/xf86-video-scfb.nix
index 976d6547c2d4..7bf3e1b28574 100644
--- a/pkgs/os-specific/bsd/freebsd/pkgs/xf86-video-scfb.nix
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/xf86-video-scfb.nix
@@ -1,4 +1,9 @@
-{ stdenv, fetchFromGitHub, xorg, pkg-config }:
+{
+  stdenv,
+  fetchFromGitHub,
+  xorg,
+  pkg-config,
+}:
 stdenv.mkDerivation rec {
   pname = "xf86-video-scfb";
   version = "0.0.7";