From 7e49471316373c471a3bf4b78c130ebc907ae2d2 Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Thu, 6 Oct 2022 19:38:53 +0300
Subject: treewide: optional -> optionals where the argument is a list

the argument to optional should not be list
---
 pkgs/development/compilers/dmd/default.nix               |  2 +-
 pkgs/development/compilers/edk2/default.nix              |  2 +-
 pkgs/development/compilers/gforth/boot-forth.nix         |  2 +-
 pkgs/development/compilers/ghdl/default.nix              |  2 +-
 pkgs/development/compilers/idris2/default.nix            |  2 +-
 pkgs/development/compilers/idris2/tests.nix              |  2 +-
 pkgs/development/compilers/llvm/10/libcxx/default.nix    |  2 +-
 pkgs/development/compilers/llvm/11/libcxx/default.nix    |  2 +-
 pkgs/development/compilers/llvm/12/libcxx/default.nix    |  2 +-
 pkgs/development/compilers/llvm/8/libcxx/default.nix     |  2 +-
 pkgs/development/compilers/llvm/9/libcxx/default.nix     |  2 +-
 pkgs/development/compilers/orc/default.nix               |  2 +-
 pkgs/development/compilers/p4c/default.nix               |  4 ++--
 pkgs/development/compilers/sbcl/2.x.nix                  |  2 +-
 pkgs/development/interpreters/kerf/default.nix           |  6 +++---
 pkgs/development/interpreters/php/generic.nix            |  4 ++--
 .../interpreters/python/cpython/2.7/default.nix          |  2 +-
 pkgs/development/interpreters/racket/default.nix         |  4 ++--
 pkgs/development/interpreters/racket/racket_7_9.nix      |  4 ++--
 pkgs/development/interpreters/spidermonkey/common.nix    |  2 +-
 pkgs/development/libraries/ada/gnatcoll/db.nix           |  2 +-
 pkgs/development/libraries/apr/default.nix               |  2 +-
 pkgs/development/libraries/cxxopts/default.nix           |  4 ++--
 pkgs/development/libraries/cyrus-sasl/default.nix        |  2 +-
 pkgs/development/libraries/drogon/default.nix            |  2 +-
 pkgs/development/libraries/galario/default.nix           |  4 ++--
 pkgs/development/libraries/gnutls/default.nix            |  2 +-
 pkgs/development/libraries/gstreamer/base/default.nix    |  2 +-
 pkgs/development/libraries/json-glib/default.nix         |  2 +-
 pkgs/development/libraries/kerberos/krb5.nix             |  2 +-
 pkgs/development/libraries/libav/default.nix             |  4 ++--
 pkgs/development/libraries/libdaemon/default.nix         |  2 +-
 pkgs/development/libraries/libdeflate/default.nix        |  2 +-
 pkgs/development/libraries/libff/default.nix             |  2 +-
 pkgs/development/libraries/libmcrypt/default.nix         |  2 +-
 pkgs/development/libraries/libpam-wrapper/default.nix    |  2 +-
 pkgs/development/libraries/libvdpau/default.nix          |  2 +-
 pkgs/development/libraries/libvncserver/default.nix      |  2 +-
 pkgs/development/libraries/libxslt/default.nix           |  2 +-
 pkgs/development/libraries/mimalloc/default.nix          |  2 +-
 pkgs/development/libraries/nng/default.nix               |  2 +-
 pkgs/development/libraries/openbsm/default.nix           |  2 +-
 pkgs/development/libraries/opencv/3.x.nix                |  2 +-
 pkgs/development/libraries/openmpi/default.nix           |  2 +-
 pkgs/development/libraries/openvino/default.nix          |  4 ++--
 pkgs/development/libraries/pangomm/2.48.nix              |  2 +-
 pkgs/development/libraries/poppler/default.nix           |  2 +-
 pkgs/development/libraries/precice/default.nix           |  2 +-
 pkgs/development/libraries/qt-5/modules/qtlocation.nix   |  2 +-
 pkgs/development/libraries/redis-plus-plus/default.nix   |  4 ++--
 .../development/libraries/science/math/faiss/default.nix |  2 +-
 .../libraries/science/networking/ns-3/default.nix        |  4 ++--
 pkgs/development/libraries/speechd/default.nix           | 16 ++++++++--------
 pkgs/development/libraries/vtk/generic.nix               |  2 +-
 pkgs/development/mobile/androidenv/cmake.nix             |  2 +-
 .../development/mobile/androidenv/ndk-bundle/default.nix |  2 +-
 pkgs/development/mobile/androidenv/tools/25.nix          |  2 +-
 pkgs/development/python-modules/aiodns/default.nix       |  2 +-
 .../python-modules/ansible-runner/default.nix            |  2 +-
 .../python-modules/aspy-refactor-imports/default.nix     |  2 +-
 pkgs/development/python-modules/asyncio_mqtt/default.nix |  2 +-
 pkgs/development/python-modules/azure-core/default.nix   |  2 +-
 pkgs/development/python-modules/betterproto/default.nix  |  2 +-
 pkgs/development/python-modules/catboost/default.nix     |  2 +-
 pkgs/development/python-modules/ciso8601/default.nix     |  2 +-
 pkgs/development/python-modules/deprecation/default.nix  |  2 +-
 pkgs/development/python-modules/dnspython/default.nix    |  2 +-
 pkgs/development/python-modules/enlighten/default.nix    |  2 +-
 pkgs/development/python-modules/fixtures/default.nix     |  2 +-
 pkgs/development/python-modules/funcsigs/default.nix     |  2 +-
 pkgs/development/python-modules/glymur/default.nix       |  2 +-
 pkgs/development/python-modules/hupper/default.nix       |  2 +-
 .../python-modules/importlib-resources/default.nix       |  2 +-
 pkgs/development/python-modules/jaraco_text/default.nix  |  4 ++--
 pkgs/development/python-modules/jaxlib/default.nix       |  6 +++---
 pkgs/development/python-modules/lightgbm/default.nix     |  2 +-
 .../python-modules/markdown-it-py/default.nix            |  2 +-
 pkgs/development/python-modules/matplotlib/default.nix   |  4 ++--
 pkgs/development/python-modules/nipy/default.nix         |  2 +-
 pkgs/development/python-modules/notebook/default.nix     |  2 +-
 pkgs/development/python-modules/numba/default.nix        |  2 +-
 pkgs/development/python-modules/paho-mqtt/default.nix    |  2 +-
 pkgs/development/python-modules/peewee/default.nix       |  4 ++--
 pkgs/development/python-modules/pygit2/default.nix       |  4 ++--
 pkgs/development/python-modules/pyls-mypy/default.nix    |  2 +-
 pkgs/development/python-modules/python-miio/default.nix  |  2 +-
 pkgs/development/python-modules/qutip/default.nix        |  2 +-
 pkgs/development/python-modules/rdflib/default.nix       |  2 +-
 pkgs/development/python-modules/rich/default.nix         |  4 ++--
 pkgs/development/python-modules/simple-di/default.nix    |  2 +-
 pkgs/development/python-modules/spacy/default.nix        |  2 +-
 pkgs/development/python-modules/sphinx/default.nix       |  2 +-
 pkgs/development/python-modules/starlette/default.nix    |  2 +-
 pkgs/development/python-modules/tensorflow/bin.nix       |  2 +-
 pkgs/development/python-modules/tensorflow/default.nix   |  2 +-
 pkgs/development/python-modules/thinc/default.nix        |  4 ++--
 pkgs/development/python-modules/tzdata/default.nix       |  2 +-
 pkgs/development/python-modules/wandb/default.nix        |  2 +-
 pkgs/development/python-modules/web3/default.nix         |  2 +-
 pkgs/development/python-modules/yamllint/default.nix     |  2 +-
 pkgs/development/tools/analysis/radare2/default.nix      |  8 ++++----
 pkgs/development/tools/misc/pahole/default.nix           |  2 +-
 pkgs/development/tools/misc/pkg-config/default.nix       |  4 ++--
 pkgs/development/tools/parsing/ragel/default.nix         |  2 +-
 .../tools/poetry2nix/poetry2nix/overrides/default.nix    | 10 +++++-----
 pkgs/development/tools/summon/default.nix                |  2 +-
 106 files changed, 141 insertions(+), 141 deletions(-)

(limited to 'pkgs/development')

diff --git a/pkgs/development/compilers/dmd/default.nix b/pkgs/development/compilers/dmd/default.nix
index 1c15e8b970b..b29190b9b83 100644
--- a/pkgs/development/compilers/dmd/default.nix
+++ b/pkgs/development/compilers/dmd/default.nix
@@ -129,7 +129,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ makeWrapper unzip which git ];
 
   buildInputs = [ gdb curl tzdata ]
-    ++ lib.optional stdenv.isDarwin [ Foundation gdb ];
+    ++ lib.optionals stdenv.isDarwin [ Foundation gdb ];
 
 
   osname = if stdenv.isDarwin then
diff --git a/pkgs/development/compilers/edk2/default.nix b/pkgs/development/compilers/edk2/default.nix
index 90e570f7da4..d5160140486 100644
--- a/pkgs/development/compilers/edk2/default.nix
+++ b/pkgs/development/compilers/edk2/default.nix
@@ -61,7 +61,7 @@ edk2 = buildStdenv.mkDerivation {
   ${"GCC5_${targetArch}_PREFIX"}=stdenv.cc.targetPrefix;
 
   makeFlags = [ "-C BaseTools" ]
-    ++ lib.optional (stdenv.cc.isClang) [ "BUILD_CC=clang BUILD_CXX=clang++ BUILD_AS=clang" ];
+    ++ lib.optionals (stdenv.cc.isClang) [ "BUILD_CC=clang BUILD_CXX=clang++ BUILD_AS=clang" ];
 
   NIX_CFLAGS_COMPILE = "-Wno-return-type" + lib.optionalString (stdenv.cc.isGNU) " -Wno-error=stringop-truncation";
 
diff --git a/pkgs/development/compilers/gforth/boot-forth.nix b/pkgs/development/compilers/gforth/boot-forth.nix
index fc7b5ffa982..74a267687b8 100644
--- a/pkgs/development/compilers/gforth/boot-forth.nix
+++ b/pkgs/development/compilers/gforth/boot-forth.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   buildInputs = [ m4 ];
 
-  configureFlags = lib.optional stdenv.isDarwin [ "--build=x86_64-apple-darwin" ];
+  configureFlags = lib.optionals stdenv.isDarwin [ "--build=x86_64-apple-darwin" ];
 
   meta = {
     description = "The Forth implementation of the GNU project (outdated version used to bootstrap)";
diff --git a/pkgs/development/compilers/ghdl/default.nix b/pkgs/development/compilers/ghdl/default.nix
index 383fec786b9..0e11c703d7b 100644
--- a/pkgs/development/compilers/ghdl/default.nix
+++ b/pkgs/development/compilers/ghdl/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   ];
   buildInputs = [
     zlib
-  ] ++ lib.optional (backend == "llvm") [
+  ] ++ lib.optionals (backend == "llvm") [
     llvm
   ];
   propagatedBuildInputs = [
diff --git a/pkgs/development/compilers/idris2/default.nix b/pkgs/development/compilers/idris2/default.nix
index 9c7a9e53a2e..bb7d7a7a131 100644
--- a/pkgs/development/compilers/idris2/default.nix
+++ b/pkgs/development/compilers/idris2/default.nix
@@ -34,7 +34,7 @@ in stdenv.mkDerivation rec {
 
   strictDeps = true;
   nativeBuildInputs = [ makeWrapper clang platformChez ]
-    ++ lib.optional stdenv.isDarwin [ zsh ];
+    ++ lib.optionals stdenv.isDarwin [ zsh ];
   buildInputs = [ platformChez gmp ];
 
   prePatch = ''
diff --git a/pkgs/development/compilers/idris2/tests.nix b/pkgs/development/compilers/idris2/tests.nix
index a8d48c26ca6..54bb6d29eee 100644
--- a/pkgs/development/compilers/idris2/tests.nix
+++ b/pkgs/development/compilers/idris2/tests.nix
@@ -11,7 +11,7 @@ let
       # is not the case with pure nix environments. Thus, we need to include zsh
       # when we build for darwin in tests. While this is impure, this is also what
       # we find in real darwin hosts.
-      nativeBuildInputs = lib.optional stdenv.isDarwin [ zsh ];
+      nativeBuildInputs = lib.optionals stdenv.isDarwin [ zsh ];
 
       buildCommand = ''
         set -eo pipefail
diff --git a/pkgs/development/compilers/llvm/10/libcxx/default.nix b/pkgs/development/compilers/llvm/10/libcxx/default.nix
index d438294bdd0..6a4e645bb30 100644
--- a/pkgs/development/compilers/llvm/10/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/10/libcxx/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation {
     "-DLIBCXX_CXX_ABI=libcxxabi"
   ] ++ lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
     ++ lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
-    ++ lib.optional stdenv.hostPlatform.isWasm [
+    ++ lib.optionals stdenv.hostPlatform.isWasm [
       "-DLIBCXX_ENABLE_THREADS=OFF"
       "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
       "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
diff --git a/pkgs/development/compilers/llvm/11/libcxx/default.nix b/pkgs/development/compilers/llvm/11/libcxx/default.nix
index 9aa49c9a009..2a83b36fc42 100644
--- a/pkgs/development/compilers/llvm/11/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/11/libcxx/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation {
     "-DLIBCXX_CXX_ABI=libcxxabi"
   ] ++ lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
     ++ lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
-    ++ lib.optional stdenv.hostPlatform.isWasm [
+    ++ lib.optionals stdenv.hostPlatform.isWasm [
       "-DLIBCXX_ENABLE_THREADS=OFF"
       "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
       "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
diff --git a/pkgs/development/compilers/llvm/12/libcxx/default.nix b/pkgs/development/compilers/llvm/12/libcxx/default.nix
index 3ddcb799750..1386d3680f9 100644
--- a/pkgs/development/compilers/llvm/12/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/12/libcxx/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
     "-DLIBCXX_CXX_ABI=libcxxabi"
   ] ++ lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
     ++ lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
-    ++ lib.optional stdenv.hostPlatform.isWasm [
+    ++ lib.optionals stdenv.hostPlatform.isWasm [
       "-DLIBCXX_ENABLE_THREADS=OFF"
       "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
       "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
diff --git a/pkgs/development/compilers/llvm/8/libcxx/default.nix b/pkgs/development/compilers/llvm/8/libcxx/default.nix
index 87cd734899f..53680112921 100644
--- a/pkgs/development/compilers/llvm/8/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/8/libcxx/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation {
     "-DLIBCXX_CXX_ABI=libcxxabi"
   ] ++ lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
     ++ lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
-    ++ lib.optional stdenv.hostPlatform.isWasm [
+    ++ lib.optionals stdenv.hostPlatform.isWasm [
       "-DLIBCXX_ENABLE_THREADS=OFF"
       "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
       "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
diff --git a/pkgs/development/compilers/llvm/9/libcxx/default.nix b/pkgs/development/compilers/llvm/9/libcxx/default.nix
index 27197110310..31a00ba5485 100644
--- a/pkgs/development/compilers/llvm/9/libcxx/default.nix
+++ b/pkgs/development/compilers/llvm/9/libcxx/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation {
     "-DLIBCXX_CXX_ABI=libcxxabi"
   ] ++ lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
     ++ lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
-    ++ lib.optional stdenv.hostPlatform.isWasm [
+    ++ lib.optionals stdenv.hostPlatform.isWasm [
       "-DLIBCXX_ENABLE_THREADS=OFF"
       "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
       "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
diff --git a/pkgs/development/compilers/orc/default.nix b/pkgs/development/compilers/orc/default.nix
index fa4bf686a2a..5ea72781e41 100644
--- a/pkgs/development/compilers/orc/default.nix
+++ b/pkgs/development/compilers/orc/default.nix
@@ -26,7 +26,7 @@ in stdenv.mkDerivation rec {
   outputBin = "dev"; # compilation tools
 
   mesonFlags =
-    optional (!buildDevDoc) [ "-Dgtk_doc=disabled" ]
+    optionals (!buildDevDoc) [ "-Dgtk_doc=disabled" ]
   ;
 
   nativeBuildInputs = [ meson ninja ]
diff --git a/pkgs/development/compilers/p4c/default.nix b/pkgs/development/compilers/p4c/default.nix
index 9233489b06a..cf02a656b77 100644
--- a/pkgs/development/compilers/p4c/default.nix
+++ b/pkgs/development/compilers/p4c/default.nix
@@ -66,8 +66,8 @@ stdenv.mkDerivation rec {
     flex
     cmake
   ]
-  ++ lib.optional enableDocumentation [ doxygen graphviz ]
-  ++ lib.optional enableBPF [ libllvm libbpf ];
+  ++ lib.optionals enableDocumentation [ doxygen graphviz ]
+  ++ lib.optionals enableBPF [ libllvm libbpf ];
 
   buildInputs = [
     protobuf
diff --git a/pkgs/development/compilers/sbcl/2.x.nix b/pkgs/development/compilers/sbcl/2.x.nix
index cfc9d34a4da..ec12ccf17b7 100644
--- a/pkgs/development/compilers/sbcl/2.x.nix
+++ b/pkgs/development/compilers/sbcl/2.x.nix
@@ -153,7 +153,7 @@ stdenv.mkDerivation rec {
     optional (!threadSupport) "sb-thread" ++
     optionals disableImmobileSpace [ "immobile-space" "immobile-code" "compact-instance-header" ];
 
-  NIX_CFLAGS_COMPILE = lib.optional (lib.versionOlder version "2.1.10") [
+  NIX_CFLAGS_COMPILE = lib.optionals (lib.versionOlder version "2.1.10") [
     # Workaround build failure on -fno-common toolchains like upstream
     # clang-13. Without the change build fails as:
     #   duplicate symbol '_static_code_space_free_pointer' in: alloc.o traceroot.o
diff --git a/pkgs/development/interpreters/kerf/default.nix b/pkgs/development/interpreters/kerf/default.nix
index 5b605c6564b..96db9bbaeb1 100644
--- a/pkgs/development/interpreters/kerf/default.nix
+++ b/pkgs/development/interpreters/kerf/default.nix
@@ -18,9 +18,9 @@ stdenv.mkDerivation rec {
 
   sourceRoot = "source/src";
   buildInputs = [ libedit zlib ncurses ]
-    ++ lib.optional stdenv.isDarwin ([
+    ++ lib.optionals stdenv.isDarwin ([
       Accelerate
-    ] ++ lib.optional stdenv.isx86_64 /* && isDarwin */ [
+    ] ++ lib.optionals stdenv.isx86_64 /* && isDarwin */ [
       CoreGraphics CoreVideo
     ]);
 
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     "implicit-function-declaration"
     "gnu-variable-sized-type-not-at-end"
     "unused-result"
-  ] ++ lib.optional stdenv.isDarwin [ "-fcommon" ];
+  ] ++ lib.optionals stdenv.isDarwin [ "-fcommon" ];
 
   patchPhase = ''
     substituteInPlace ./Makefile \
diff --git a/pkgs/development/interpreters/php/generic.nix b/pkgs/development/interpreters/php/generic.nix
index 5984113574c..d1b7c682955 100644
--- a/pkgs/development/interpreters/php/generic.nix
+++ b/pkgs/development/interpreters/php/generic.nix
@@ -206,7 +206,7 @@ let
             [ pcre2 ]
 
             # Enable sapis
-            ++ lib.optional pearSupport [ libxml2.dev ]
+            ++ lib.optionals pearSupport [ libxml2.dev ]
 
             # Misc deps
             ++ lib.optional apxs2Support apacheHttpd
@@ -230,7 +230,7 @@ let
             ++ lib.optional (!cgiSupport) "--disable-cgi"
             ++ lib.optional (!cliSupport) "--disable-cli"
             ++ lib.optional fpmSupport "--enable-fpm"
-            ++ lib.optional pearSupport [ "--with-pear" "--enable-xml" "--with-libxml" ]
+            ++ lib.optionals pearSupport [ "--with-pear" "--enable-xml" "--with-libxml" ]
             ++ lib.optional pharSupport "--enable-phar"
             ++ lib.optional (!phpdbgSupport) "--disable-phpdbg"
 
diff --git a/pkgs/development/interpreters/python/cpython/2.7/default.nix b/pkgs/development/interpreters/python/cpython/2.7/default.nix
index 25446f5fca8..7da2a0047f3 100644
--- a/pkgs/development/interpreters/python/cpython/2.7/default.nix
+++ b/pkgs/development/interpreters/python/cpython/2.7/default.nix
@@ -166,7 +166,7 @@ let
       # only works for GCC and Apple Clang. This makes distutils to call C++
       # compiler when needed.
       ./python-2.7-distutils-C++.patch
-    ] ++ optional (stdenv.hostPlatform != stdenv.buildPlatform) [
+    ] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
       ./cross-compile.patch
     ];
 
diff --git a/pkgs/development/interpreters/racket/default.nix b/pkgs/development/interpreters/racket/default.nix
index 67609132c80..479557e0890 100644
--- a/pkgs/development/interpreters/racket/default.nix
+++ b/pkgs/development/interpreters/racket/default.nix
@@ -128,8 +128,8 @@ stdenv.mkDerivation rec {
 
   shared = if stdenv.isDarwin then "dylib" else "shared";
   configureFlags = [ "--enable-${shared}"  "--enable-lt=${libtool}/bin/libtool" ]
-                   ++ lib.optional disableDocs [ "--disable-docs" ]
-                   ++ lib.optional stdenv.isDarwin [ "--enable-xonx" ];
+                   ++ lib.optionals disableDocs [ "--disable-docs" ]
+                   ++ lib.optionals stdenv.isDarwin [ "--enable-xonx" ];
 
   configureScript = "../configure";
 
diff --git a/pkgs/development/interpreters/racket/racket_7_9.nix b/pkgs/development/interpreters/racket/racket_7_9.nix
index 07c0376b42a..ac4b6b5ba18 100644
--- a/pkgs/development/interpreters/racket/racket_7_9.nix
+++ b/pkgs/development/interpreters/racket/racket_7_9.nix
@@ -83,8 +83,8 @@ stdenv.mkDerivation rec {
 
   shared = if stdenv.isDarwin then "dylib" else "shared";
   configureFlags = [ "--enable-${shared}"  "--enable-lt=${libtool}/bin/libtool" ]
-                   ++ lib.optional disableDocs [ "--disable-docs" ]
-                   ++ lib.optional stdenv.isDarwin [ "--enable-xonx" ];
+                   ++ lib.optionals disableDocs [ "--disable-docs" ]
+                   ++ lib.optionals stdenv.isDarwin [ "--enable-xonx" ];
 
   configureScript = "../configure";
 
diff --git a/pkgs/development/interpreters/spidermonkey/common.nix b/pkgs/development/interpreters/spidermonkey/common.nix
index 1272e061b0d..d12396396da 100644
--- a/pkgs/development/interpreters/spidermonkey/common.nix
+++ b/pkgs/development/interpreters/spidermonkey/common.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation (finalAttrs: rec {
     inherit hash;
   };
 
-  patches = lib.optional (lib.versionOlder version "91") [
+  patches = lib.optionals (lib.versionOlder version "91") [
     # Fix build failure on armv7l using Debian patch
     # Upstream bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1526653
     (fetchpatch {
diff --git a/pkgs/development/libraries/ada/gnatcoll/db.nix b/pkgs/development/libraries/ada/gnatcoll/db.nix
index 0c597f199c3..6c87d63063f 100644
--- a/pkgs/development/libraries/ada/gnatcoll/db.nix
+++ b/pkgs/development/libraries/ada/gnatcoll/db.nix
@@ -95,7 +95,7 @@ stdenv.mkDerivation rec {
     # confusingly, for gprbuild --target is autoconf --host
     "TARGET=${stdenv.hostPlatform.config}"
     "prefix=${placeholder "out"}"
-  ] ++ lib.optional (component == "sqlite") [
+  ] ++ lib.optionals (component == "sqlite") [
     # link against packaged, not vendored libsqlite3
     "GNATCOLL_SQLITE=external"
   ];
diff --git a/pkgs/development/libraries/apr/default.nix b/pkgs/development/libraries/apr/default.nix
index 536c8a5613a..0d980db9b5a 100644
--- a/pkgs/development/libraries/apr/default.nix
+++ b/pkgs/development/libraries/apr/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
       configureFlagsArray+=("--with-installbuilddir=$dev/share/build")
     '';
 
-  configureFlags = lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) [
+  configureFlags = lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
     # For cross builds, provide answers to the configure time tests.
     # These answers are valid on x86_64-linux and aarch64-linux.
     "ac_cv_file__dev_zero=yes"
diff --git a/pkgs/development/libraries/cxxopts/default.nix b/pkgs/development/libraries/cxxopts/default.nix
index cf36a88a35b..a24127ab56d 100644
--- a/pkgs/development/libraries/cxxopts/default.nix
+++ b/pkgs/development/libraries/cxxopts/default.nix
@@ -21,10 +21,10 @@ stdenv.mkDerivation rec {
   # CMake does not set CMAKE_LIBRARY_ARCHITECTURE variable in Nix, which breaks architecture-independent library path generation
   patches = [ ./fix-install-path.patch ];
 
-  buildInputs = lib.optional enableUnicodeHelp [ icu.dev ];
+  buildInputs = lib.optionals enableUnicodeHelp [ icu.dev ];
   cmakeFlags = [ "-DCXXOPTS_BUILD_EXAMPLES=OFF" ]
     ++ lib.optional enableUnicodeHelp "-DCXXOPTS_USE_UNICODE_HELP=TRUE";
-  nativeBuildInputs = [ cmake ] ++ lib.optional enableUnicodeHelp [ pkg-config ];
+  nativeBuildInputs = [ cmake ] ++ lib.optionals enableUnicodeHelp [ pkg-config ];
 
   doCheck = true;
 
diff --git a/pkgs/development/libraries/cyrus-sasl/default.nix b/pkgs/development/libraries/cyrus-sasl/default.nix
index 170b9a0fba4..632c8427e4d 100644
--- a/pkgs/development/libraries/cyrus-sasl/default.nix
+++ b/pkgs/development/libraries/cyrus-sasl/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     "--enable-shared"
   ] ++ lib.optional enableLdap "--with-ldap=${openldap.dev}";
 
-  installFlags = lib.optional stdenv.isDarwin [ "framedir=$(out)/Library/Frameworks/SASL2.framework" ];
+  installFlags = lib.optionals stdenv.isDarwin [ "framedir=$(out)/Library/Frameworks/SASL2.framework" ];
 
   passthru.tests = {
     inherit (nixosTests) parsedmarc postfix;
diff --git a/pkgs/development/libraries/drogon/default.nix b/pkgs/development/libraries/drogon/default.nix
index 9cc3503acd6..de4aaf32d98 100644
--- a/pkgs/development/libraries/drogon/default.nix
+++ b/pkgs/development/libraries/drogon/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     ++ lib.optional postgresSupport postgresql
     ++ lib.optional redisSupport hiredis
     # drogon uses mariadb for mysql (see https://github.com/drogonframework/drogon/wiki/ENG-02-Installation#Library-Dependencies)
-    ++ lib.optional mysqlSupport [ libmysqlclient mariadb ];
+    ++ lib.optionals mysqlSupport [ libmysqlclient mariadb ];
 
   patches = [
     # this part of the test would normally fail because it attempts to configure a CMake project that uses find_package on itself
diff --git a/pkgs/development/libraries/galario/default.nix b/pkgs/development/libraries/galario/default.nix
index ac7e4f4255e..7f757fd4819 100644
--- a/pkgs/development/libraries/galario/default.nix
+++ b/pkgs/development/libraries/galario/default.nix
@@ -34,13 +34,13 @@ stdenv.mkDerivation rec {
   ++ lib.optional stdenv.isDarwin llvmPackages.openmp
   ;
 
-  propagatedBuildInputs = lib.optional enablePython [
+  propagatedBuildInputs = lib.optionals enablePython [
     pythonPackages.numpy
     pythonPackages.cython
     pythonPackages.pytest
   ];
 
-  checkInputs = lib.optional enablePython [ pythonPackages.scipy pythonPackages.pytest-cov ];
+  checkInputs = lib.optionals enablePython [ pythonPackages.scipy pythonPackages.pytest-cov ];
 
   preConfigure = ''
     mkdir -p build/external/src
diff --git a/pkgs/development/libraries/gnutls/default.nix b/pkgs/development/libraries/gnutls/default.nix
index d04fda98c7f..f1ec87ba008 100644
--- a/pkgs/development/libraries/gnutls/default.nix
+++ b/pkgs/development/libraries/gnutls/default.nix
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
     "--with-unbound-root-key-file=${dns-root-data}/root.key"
     (lib.withFeature withP11-kit "p11-kit")
     (lib.enableFeature cxxBindings "cxx")
-  ] ++ lib.optional guileBindings [
+  ] ++ lib.optionals guileBindings [
     "--enable-guile"
     "--with-guile-site-dir=\${out}/share/guile/site"
     "--with-guile-site-ccache-dir=\${out}/share/guile/site"
diff --git a/pkgs/development/libraries/gstreamer/base/default.nix b/pkgs/development/libraries/gstreamer/base/default.nix
index a53ffb4f1b3..dac712e8238 100644
--- a/pkgs/development/libraries/gstreamer/base/default.nix
+++ b/pkgs/development/libraries/gstreamer/base/default.nix
@@ -79,7 +79,7 @@ stdenv.mkDerivation rec {
     libjpeg
     tremor
     libGL
-  ] ++ lib.optional (!stdenv.isDarwin) [
+  ] ++ lib.optionals (!stdenv.isDarwin) [
     libvisual
   ] ++ lib.optionals stdenv.isDarwin [
     pango
diff --git a/pkgs/development/libraries/json-glib/default.nix b/pkgs/development/libraries/json-glib/default.nix
index e095945daba..9885384e00e 100644
--- a/pkgs/development/libraries/json-glib/default.nix
+++ b/pkgs/development/libraries/json-glib/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     libxslt
     gobject-introspection
     gi-docgen
-  ] ++ lib.optional stdenv.hostPlatform.isDarwin [
+  ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
     fixDarwinDylibNames
   ];
 
diff --git a/pkgs/development/libraries/kerberos/krb5.nix b/pkgs/development/libraries/kerberos/krb5.nix
index a7197f9ff98..fc8fb739870 100644
--- a/pkgs/development/libraries/kerberos/krb5.nix
+++ b/pkgs/development/libraries/kerberos/krb5.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--localstatedir=/var/lib" ]
     # krb5's ./configure does not allow passing --enable-shared and --enable-static at the same time.
     # See https://bbs.archlinux.org/viewtopic.php?pid=1576737#p1576737
-    ++ lib.optional staticOnly [ "--enable-static" "--disable-shared" ]
+    ++ lib.optionals staticOnly [ "--enable-static" "--disable-shared" ]
     ++ lib.optional stdenv.isFreeBSD ''WARN_CFLAGS=""''
     ++ lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform)
        [ "krb5_cv_attr_constructor_destructor=yes,yes"
diff --git a/pkgs/development/libraries/libav/default.nix b/pkgs/development/libraries/libav/default.nix
index a3de9225d1c..283c2034be7 100644
--- a/pkgs/development/libraries/libav/default.nix
+++ b/pkgs/development/libraries/libav/default.nix
@@ -17,7 +17,7 @@
 
 assert faacSupport -> enableUnfree;
 
-let inherit (lib) optional hasPrefix enableFeature; in
+let inherit (lib) optional optionals hasPrefix enableFeature; in
 
 /* ToDo:
     - more deps, inspiration: https://packages.ubuntu.com/raring/libav-tools
@@ -77,7 +77,7 @@ let
       (enableFeature vaapiSupport "vaapi")
       (enableFeature vdpauSupport "vdpau")
       (enableFeature freetypeSupport "libfreetype")
-    ] ++ optional (stdenv.hostPlatform != stdenv.buildPlatform) [
+    ] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
       "--cross-prefix=${stdenv.cc.targetPrefix}"
       "--enable-cross-compile"
     ];
diff --git a/pkgs/development/libraries/libdaemon/default.nix b/pkgs/development/libraries/libdaemon/default.nix
index 51df4580978..581cc723dc4 100644
--- a/pkgs/development/libraries/libdaemon/default.nix
+++ b/pkgs/development/libraries/libdaemon/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   patches = [ ./fix-includes.patch ];
 
   configureFlags = [ "--disable-lynx" ]
-    ++ lib.optional (stdenv.hostPlatform != stdenv.buildPlatform)
+    ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform)
     [ # Can't run this test while cross-compiling
       "ac_cv_func_setpgrp_void=yes"
     ];
diff --git a/pkgs/development/libraries/libdeflate/default.nix b/pkgs/development/libraries/libdeflate/default.nix
index 449a3d309cd..39b80238b71 100644
--- a/pkgs/development/libraries/libdeflate/default.nix
+++ b/pkgs/development/libraries/libdeflate/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     substituteInPlace Makefile --replace /usr/local $out
   '';
 
-  makeFlags = lib.optional stdenv.hostPlatform.isStatic [ "DISABLE_SHARED=1"];
+  makeFlags = lib.optionals stdenv.hostPlatform.isStatic [ "DISABLE_SHARED=1"];
 
   nativeBuildInputs = lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames;
 
diff --git a/pkgs/development/libraries/libff/default.nix b/pkgs/development/libraries/libff/default.nix
index 35b7a33cc38..36e8bb78c83 100644
--- a/pkgs/development/libraries/libff/default.nix
+++ b/pkgs/development/libraries/libff/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   cmakeFlags = [ "-DWITH_PROCPS=Off" ]
-    ++ lib.optional stdenv.isAarch64 [ "-DCURVE=ALT_BN128" "-DUSE_ASM=OFF" ];
+    ++ lib.optionals stdenv.isAarch64 [ "-DCURVE=ALT_BN128" "-DUSE_ASM=OFF" ];
 
   # CMake is hardcoded to always build static library which causes linker
   # failure for Haskell applications depending on haskellPackages.hevm on macOS.
diff --git a/pkgs/development/libraries/libmcrypt/default.nix b/pkgs/development/libraries/libmcrypt/default.nix
index 50bbf8383e6..953a6d03e5e 100644
--- a/pkgs/development/libraries/libmcrypt/default.nix
+++ b/pkgs/development/libraries/libmcrypt/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = optional stdenv.isDarwin darwin.cctools;
 
-  configureFlags = optional disablePosixThreads
+  configureFlags = optionals disablePosixThreads
     [ "--disable-posix-threads" ];
 
   meta = {
diff --git a/pkgs/development/libraries/libpam-wrapper/default.nix b/pkgs/development/libraries/libpam-wrapper/default.nix
index 10d5c98b668..0701ae0fc55 100644
--- a/pkgs/development/libraries/libpam-wrapper/default.nix
+++ b/pkgs/development/libraries/libpam-wrapper/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     sha256 = "00mqhsashx7njrvxz085d0b88nizhdy7m3x17ip5yhvwsl63km6p";
   };
 
-  nativeBuildInputs = [ cmake ] ++ lib.optional enablePython [ python ];
+  nativeBuildInputs = [ cmake ] ++ lib.optionals enablePython [ python ];
 
   # We must use linux-pam, using openpam will result in broken fprintd.
   buildInputs = [ linux-pam ];
diff --git a/pkgs/development/libraries/libvdpau/default.nix b/pkgs/development/libraries/libvdpau/default.nix
index e3be4db26cd..906a3c59234 100644
--- a/pkgs/development/libraries/libvdpau/default.nix
+++ b/pkgs/development/libraries/libvdpau/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [ xorg.libX11 ];
 
-  mesonFlags = lib.optional stdenv.isLinux
+  mesonFlags = lib.optionals stdenv.isLinux
     [ "-Dmoduledir=${mesa.drivers.driverLink}/lib/vdpau" ];
 
   NIX_LDFLAGS = lib.optionalString stdenv.isDarwin "-lX11";
diff --git a/pkgs/development/libraries/libvncserver/default.nix b/pkgs/development/libraries/libvncserver/default.nix
index b9da7135f92..c111a81b0cc 100644
--- a/pkgs/development/libraries/libvncserver/default.nix
+++ b/pkgs/development/libraries/libvncserver/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     libpng
   ] ++ lib.optionals stdenv.isLinux [
     systemd
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     Carbon
   ];
 
diff --git a/pkgs/development/libraries/libxslt/default.nix b/pkgs/development/libraries/libxslt/default.nix
index a3bb7128c0f..5e520c315f7 100644
--- a/pkgs/development/libraries/libxslt/default.nix
+++ b/pkgs/development/libraries/libxslt/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     libxml2.dev libxcrypt
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     gettext
   ] ++ lib.optionals pythonSupport [
     libxml2.py
diff --git a/pkgs/development/libraries/mimalloc/default.nix b/pkgs/development/libraries/mimalloc/default.nix
index cc67e207094..6dcf1978edc 100644
--- a/pkgs/development/libraries/mimalloc/default.nix
+++ b/pkgs/development/libraries/mimalloc/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   '';
 
   nativeBuildInputs = [ cmake ninja ];
-  cmakeFlags = [ "-DMI_INSTALL_TOPLEVEL=ON" ] ++ lib.optional secureBuild [ "-DMI_SECURE=ON" ];
+  cmakeFlags = [ "-DMI_INSTALL_TOPLEVEL=ON" ] ++ lib.optionals secureBuild [ "-DMI_SECURE=ON" ];
 
   postInstall = let
     rel = lib.versions.majorMinor version;
diff --git a/pkgs/development/libraries/nng/default.nix b/pkgs/development/libraries/nng/default.nix
index 9acc64fea64..7f0bd15aa54 100644
--- a/pkgs/development/libraries/nng/default.nix
+++ b/pkgs/development/libraries/nng/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ninja ]
     ++ lib.optionals mbedtlsSupport [ mbedtls ];
 
-  buildInputs = lib.optional mbedtlsSupport [ mbedtls ];
+  buildInputs = lib.optionals mbedtlsSupport [ mbedtls ];
 
   cmakeFlags = [ "-G Ninja" "-DNNG_ENABLE_TLS=ON" ]
     ++ lib.optionals mbedtlsSupport [ "-DMBEDTLS_ROOT_DIR=${mbedtls}" ];
diff --git a/pkgs/development/libraries/openbsm/default.nix b/pkgs/development/libraries/openbsm/default.nix
index 4719b7fb747..627e9b83071 100644
--- a/pkgs/development/libraries/openbsm/default.nix
+++ b/pkgs/development/libraries/openbsm/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0b98359hd8mm585sh145ss828pg2y8vgz38lqrb7nypapiyqdnd1";
   };
 
-  patches = lib.optional stdenv.isDarwin [ ./bsm-add-audit_token_to_pid.patch ];
+  patches = lib.optionals stdenv.isDarwin [ ./bsm-add-audit_token_to_pid.patch ];
 
   preConfigure = lib.optionalString (lib.versionAtLeast stdenv.hostPlatform.darwinMinVersion "11") ''
     MACOSX_DEPLOYMENT_TARGET=10.16
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index 550a7f39373..56b022d03b9 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -248,7 +248,7 @@ stdenv.mkDerivation {
     "-DBUILD_opencv_videoio=OFF"
   ] ++ lib.optionals enablePython [
     "-DOPENCV_SKIP_PYTHON_LOADER=ON"
-  ] ++ lib.optional enableEigen [
+  ] ++ lib.optionals enableEigen [
     # Autodetection broken by https://github.com/opencv/opencv/pull/13337
     "-DEIGEN_INCLUDE_PATH=${eigen}/include/eigen3"
   ];
diff --git a/pkgs/development/libraries/openmpi/default.nix b/pkgs/development/libraries/openmpi/default.nix
index 723f1848c6a..f2392bb0072 100644
--- a/pkgs/development/libraries/openmpi/default.nix
+++ b/pkgs/development/libraries/openmpi/default.nix
@@ -50,7 +50,7 @@ in stdenv.mkDerivation rec {
     ++ lib.optionals cudaSupport [ cudatoolkit ]
     ++ [ libevent hwloc ]
     ++ lib.optional (stdenv.isLinux || stdenv.isFreeBSD) rdma-core
-    ++ lib.optional fabricSupport [ libpsm2 libfabric ];
+    ++ lib.optionals fabricSupport [ libpsm2 libfabric ];
 
   nativeBuildInputs = [ perl ]
     ++ lib.optionals fortranSupport [ gfortran ];
diff --git a/pkgs/development/libraries/openvino/default.nix b/pkgs/development/libraries/openvino/default.nix
index dabf56d9056..e3ebb97cbdf 100644
--- a/pkgs/development/libraries/openvino/default.nix
+++ b/pkgs/development/libraries/openvino/default.nix
@@ -68,7 +68,7 @@ stdenv.mkDerivation rec {
     "-DNGRAPH_UNIT_TEST_ENABLE:BOOL=OFF"
     "-DENABLE_SAMPLES:BOOL=OFF"
     "-DENABLE_CPPLINT:BOOL=OFF"
-  ] ++ lib.optional enablePython [
+  ] ++ lib.optionals enablePython [
     "-DENABLE_PYTHON:BOOL=ON"
   ];
 
@@ -106,7 +106,7 @@ stdenv.mkDerivation rec {
     python
     tbb
     shellcheck
-  ] ++ lib.optional enablePython (with python.pkgs; [
+  ] ++ lib.optionals enablePython (with python.pkgs; [
     cython
     pybind11
   ]);
diff --git a/pkgs/development/libraries/pangomm/2.48.nix b/pkgs/development/libraries/pangomm/2.48.nix
index cdc644ec9cd..12aec5bd68e 100644
--- a/pkgs/development/libraries/pangomm/2.48.nix
+++ b/pkgs/development/libraries/pangomm/2.48.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     python3
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     ApplicationServices
   ];
 
diff --git a/pkgs/development/libraries/poppler/default.nix b/pkgs/development/libraries/poppler/default.nix
index cba1af70460..8ff218b7931 100644
--- a/pkgs/development/libraries/poppler/default.nix
+++ b/pkgs/development/libraries/poppler/default.nix
@@ -77,7 +77,7 @@ stdenv.mkDerivation (finalAttrs: rec {
     pcre
     libiconv
     libintl
-  ] ++ lib.optional withData [
+  ] ++ lib.optionals withData [
     poppler_data
   ];
 
diff --git a/pkgs/development/libraries/precice/default.nix b/pkgs/development/libraries/precice/default.nix
index bc6a9359e61..01ab32577cb 100644
--- a/pkgs/development/libraries/precice/default.nix
+++ b/pkgs/development/libraries/precice/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     "-DPYTHON_INCLUDE_DIR=${python3}/include/${python3.libPrefix}"
   ];
 
-  NIX_CFLAGS_COMPILE = lib.optional stdenv.isDarwin [ "-D_GNU_SOURCE" ];
+  NIX_CFLAGS_COMPILE = lib.optionals stdenv.isDarwin [ "-D_GNU_SOURCE" ];
 
   nativeBuildInputs = [ cmake gcc ];
   buildInputs = [ boost eigen libxml2 mpi python3 python3.pkgs.numpy ];
diff --git a/pkgs/development/libraries/qt-5/modules/qtlocation.nix b/pkgs/development/libraries/qt-5/modules/qtlocation.nix
index 687571f18d2..b5fdc918dc6 100644
--- a/pkgs/development/libraries/qt-5/modules/qtlocation.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtlocation.nix
@@ -4,7 +4,7 @@ qtModule {
   pname = "qtlocation";
   qtInputs = [ qtbase qtmultimedia ];
   outputs = [ "bin" "out" "dev" ];
-  qmakeFlags = lib.optional stdenv.isDarwin [
+  qmakeFlags = lib.optionals stdenv.isDarwin [
      # boost uses std::auto_ptr which has been disabled in clang with libcxx
      # This flag re-enables this feature
      # https://libcxx.llvm.org/docs/UsingLibcxx.html#c-17-specific-configuration-macros
diff --git a/pkgs/development/libraries/redis-plus-plus/default.nix b/pkgs/development/libraries/redis-plus-plus/default.nix
index 7d3d7d48671..61e593d28c9 100644
--- a/pkgs/development/libraries/redis-plus-plus/default.nix
+++ b/pkgs/development/libraries/redis-plus-plus/default.nix
@@ -22,9 +22,9 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [
     "-DREDIS_PLUS_PLUS_BUILD_TEST=OFF"
-  ] ++ lib.optional (!enableShared) [
+  ] ++ lib.optionals (!enableShared) [
     "-DREDIS_PLUS_PLUS_BUILD_SHARED=OFF"
-  ] ++ lib.optional (!enableStatic) [
+  ] ++ lib.optionals (!enableStatic) [
     "-DREDIS_PLUS_PLUS_BUILD_STATIC=OFF"
   ];
 
diff --git a/pkgs/development/libraries/science/math/faiss/default.nix b/pkgs/development/libraries/science/math/faiss/default.nix
index f2d5e29f6a4..9c83a1220e4 100644
--- a/pkgs/development/libraries/science/math/faiss/default.nix
+++ b/pkgs/development/libraries/science/math/faiss/default.nix
@@ -56,7 +56,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake ] ++ lib.optionals cudaSupport [
     cudatoolkit
     addOpenGLRunpath
-  ] ++ lib.optional pythonSupport [
+  ] ++ lib.optionals pythonSupport [
     pythonPackages.python
   ];
 
diff --git a/pkgs/development/libraries/science/networking/ns-3/default.nix b/pkgs/development/libraries/science/networking/ns-3/default.nix
index b9f7946f716..9f80470eff2 100644
--- a/pkgs/development/libraries/science/networking/ns-3/default.nix
+++ b/pkgs/development/libraries/science/networking/ns-3/default.nix
@@ -53,8 +53,8 @@ stdenv.mkDerivation rec {
 
   # ncurses is a hidden dependency of waf when checking python
   buildInputs = lib.optionals pythonSupport [ castxml ncurses ]
-    ++ lib.optional enableDoxygen [ doxygen graphviz imagemagick ]
-    ++ lib.optional withManual [ dia tetex ghostscript texlive.combined.scheme-medium ];
+    ++ lib.optionals enableDoxygen [ doxygen graphviz imagemagick ]
+    ++ lib.optionals withManual [ dia tetex ghostscript texlive.combined.scheme-medium ];
 
   propagatedBuildInputs = [ pythonEnv ];
 
diff --git a/pkgs/development/libraries/speechd/default.nix b/pkgs/development/libraries/speechd/default.nix
index d27eabecf46..021246d7302 100644
--- a/pkgs/development/libraries/speechd/default.nix
+++ b/pkgs/development/libraries/speechd/default.nix
@@ -69,9 +69,9 @@ in stdenv.mkDerivation rec {
     espeak
     sonic
     pcaudiolib
-  ] ++ lib.optional withFlite [
+  ] ++ lib.optionals withFlite [
     flite
-  ] ++ lib.optional withPico [
+  ] ++ lib.optionals withPico [
     svox
   ];
 
@@ -83,17 +83,17 @@ in stdenv.mkDerivation rec {
     # Audio method falls back from left to right.
     "--with-default-audio-method=\"libao,pulse,alsa,oss\""
     "--with-systemdsystemunitdir=${placeholder "out"}/lib/systemd/system"
-  ] ++ lib.optional withPulse [
+  ] ++ lib.optionals withPulse [
   "--with-pulse"
-  ] ++ lib.optional withAlsa [
+  ] ++ lib.optionals withAlsa [
     "--with-alsa"
-  ] ++ lib.optional withLibao [
+  ] ++ lib.optionals withLibao [
     "--with-libao"
-  ] ++ lib.optional withOss [
+  ] ++ lib.optionals withOss [
     "--with-oss"
-  ] ++ lib.optional withEspeak [
+  ] ++ lib.optionals withEspeak [
     "--with-espeak-ng"
-  ] ++ lib.optional withPico [
+  ] ++ lib.optionals withPico [
     "--with-pico"
   ];
 
diff --git a/pkgs/development/libraries/vtk/generic.nix b/pkgs/development/libraries/vtk/generic.nix
index b88ddee6b24..555e7d0a45d 100644
--- a/pkgs/development/libraries/vtk/generic.nix
+++ b/pkgs/development/libraries/vtk/generic.nix
@@ -48,7 +48,7 @@ in stdenv.mkDerivation rec {
       ImageIO
       OpenGL
       GLUT
-    ] ++ optional enablePython [
+    ] ++ optionals enablePython [
       pythonInterpreter
     ];
   propagatedBuildInputs = optionals stdenv.isDarwin [ libobjc ];
diff --git a/pkgs/development/mobile/androidenv/cmake.nix b/pkgs/development/mobile/androidenv/cmake.nix
index 3abad6b41f6..7df24ad4cc2 100644
--- a/pkgs/development/mobile/androidenv/cmake.nix
+++ b/pkgs/development/mobile/androidenv/cmake.nix
@@ -3,7 +3,7 @@
 deployAndroidPackage {
   inherit package os;
   nativeBuildInputs = lib.optionals stdenv.isLinux [ autoPatchelfHook ];
-  buildInputs = lib.optional (os == "linux") [ pkgs.stdenv.cc.libc pkgs.stdenv.cc.cc pkgs.ncurses5 ];
+  buildInputs = lib.optionals (os == "linux") [ pkgs.stdenv.cc.libc pkgs.stdenv.cc.cc pkgs.ncurses5 ];
   patchInstructions = lib.optionalString (os == "linux") ''
     autoPatchelf $packageBaseDir/bin
   '';
diff --git a/pkgs/development/mobile/androidenv/ndk-bundle/default.nix b/pkgs/development/mobile/androidenv/ndk-bundle/default.nix
index 0f3e7e4faa2..ad729e24fb8 100644
--- a/pkgs/development/mobile/androidenv/ndk-bundle/default.nix
+++ b/pkgs/development/mobile/androidenv/ndk-bundle/default.nix
@@ -12,7 +12,7 @@ deployAndroidPackage {
   nativeBuildInputs = [ makeWrapper ]
     ++ lib.optionals stdenv.isLinux [ autoPatchelfHook ];
   autoPatchelfIgnoreMissingDeps = true;
-  buildInputs = lib.optional (os == "linux") [ pkgs.zlib ];
+  buildInputs = lib.optionals (os == "linux") [ pkgs.zlib ];
   patchInstructions = lib.optionalString (os == "linux") (''
     patchShebangs .
 
diff --git a/pkgs/development/mobile/androidenv/tools/25.nix b/pkgs/development/mobile/androidenv/tools/25.nix
index 28ea249df25..82642e04280 100644
--- a/pkgs/development/mobile/androidenv/tools/25.nix
+++ b/pkgs/development/mobile/androidenv/tools/25.nix
@@ -3,7 +3,7 @@
 deployAndroidPackage {
   name = "androidsdk";
   nativeBuildInputs = [ autoPatchelfHook makeWrapper ];
-  buildInputs = lib.optional (os == "linux") [ pkgs.glibc pkgs.xorg.libX11 pkgs.xorg.libXext pkgs.xorg.libXdamage pkgs.xorg.libxcb pkgs.xorg.libXfixes pkgs.xorg.libXrender pkgs.fontconfig.lib pkgs.freetype pkgs.libGL pkgs.zlib pkgs.ncurses5 pkgs.libpulseaudio pkgs_i686.glibc pkgs_i686.xorg.libX11 pkgs_i686.xorg.libXrender pkgs_i686.fontconfig pkgs_i686.freetype pkgs_i686.zlib ];
+  buildInputs = lib.optionals (os == "linux") [ pkgs.glibc pkgs.xorg.libX11 pkgs.xorg.libXext pkgs.xorg.libXdamage pkgs.xorg.libxcb pkgs.xorg.libXfixes pkgs.xorg.libXrender pkgs.fontconfig.lib pkgs.freetype pkgs.libGL pkgs.zlib pkgs.ncurses5 pkgs.libpulseaudio pkgs_i686.glibc pkgs_i686.xorg.libX11 pkgs_i686.xorg.libXrender pkgs_i686.fontconfig pkgs_i686.freetype pkgs_i686.zlib ];
   inherit package os;
 
   patchInstructions = ''
diff --git a/pkgs/development/python-modules/aiodns/default.nix b/pkgs/development/python-modules/aiodns/default.nix
index 9c626618ff0..a5cf035aa06 100644
--- a/pkgs/development/python-modules/aiodns/default.nix
+++ b/pkgs/development/python-modules/aiodns/default.nix
@@ -20,7 +20,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     pycares
-  ] ++ lib.optional (pythonOlder "3.7") [
+  ] ++ lib.optionals (pythonOlder "3.7") [
     typing
   ];
 
diff --git a/pkgs/development/python-modules/ansible-runner/default.nix b/pkgs/development/python-modules/ansible-runner/default.nix
index c261e5b163b..14dfb65cfea 100644
--- a/pkgs/development/python-modules/ansible-runner/default.nix
+++ b/pkgs/development/python-modules/ansible-runner/default.nix
@@ -65,7 +65,7 @@ buildPythonPackage rec {
     "test_large_stdout_blob"
     # Failed: DID NOT RAISE <class 'RuntimeError'>
     "test_validate_pattern"
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     # test_process_isolation_settings is currently broken on Darwin Catalina
     # https://github.com/ansible/ansible-runner/issues/413
     "process_isolation_settings"
diff --git a/pkgs/development/python-modules/aspy-refactor-imports/default.nix b/pkgs/development/python-modules/aspy-refactor-imports/default.nix
index cfe935e16e8..a19002449df 100644
--- a/pkgs/development/python-modules/aspy-refactor-imports/default.nix
+++ b/pkgs/development/python-modules/aspy-refactor-imports/default.nix
@@ -27,7 +27,7 @@ buildPythonPackage rec {
   ];
 
   # fails on darwin due to case-insensitive file system
-  disabledTests = lib.optional stdenv.isDarwin ["test_application_directory_case"];
+  disabledTests = lib.optionals stdenv.isDarwin ["test_application_directory_case"];
 
   meta = with lib; {
     description = "Utilities for refactoring imports in python-like syntax.";
diff --git a/pkgs/development/python-modules/asyncio_mqtt/default.nix b/pkgs/development/python-modules/asyncio_mqtt/default.nix
index c0ae1cea95f..a87bca43964 100644
--- a/pkgs/development/python-modules/asyncio_mqtt/default.nix
+++ b/pkgs/development/python-modules/asyncio_mqtt/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     paho-mqtt
-  ] ++ lib.optional (pythonOlder "3.7") [
+  ] ++ lib.optionals (pythonOlder "3.7") [
     async_generator
   ];
 
diff --git a/pkgs/development/python-modules/azure-core/default.nix b/pkgs/development/python-modules/azure-core/default.nix
index 5237130f59f..75cf3958761 100644
--- a/pkgs/development/python-modules/azure-core/default.nix
+++ b/pkgs/development/python-modules/azure-core/default.nix
@@ -63,7 +63,7 @@ buildPythonPackage rec {
   # disable 8 tests failing on some darwin machines with errors:
   # azure.core.polling.base_polling.BadStatus: Invalid return status 403 for 'GET' operation
   # azure.core.exceptions.HttpResponseError: Operation returned an invalid status 'Forbidden'
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     "location_polling_fail"
   ];
   disabledTestPaths = [
diff --git a/pkgs/development/python-modules/betterproto/default.nix b/pkgs/development/python-modules/betterproto/default.nix
index 2f6ba2e29a2..b49204ee8c4 100644
--- a/pkgs/development/python-modules/betterproto/default.nix
+++ b/pkgs/development/python-modules/betterproto/default.nix
@@ -35,7 +35,7 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     grpclib
     python-dateutil
-  ] ++ lib.optional (pythonOlder "3.7") [
+  ] ++ lib.optionals (pythonOlder "3.7") [
     dataclasses
   ];
 
diff --git a/pkgs/development/python-modules/catboost/default.nix b/pkgs/development/python-modules/catboost/default.nix
index 02e107f27e1..9a395bc6c98 100644
--- a/pkgs/development/python-modules/catboost/default.nix
+++ b/pkgs/development/python-modules/catboost/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
   nativeBuildInputs = [ clang_12 python2 ];
 
   propagatedBuildInputs = [ graphviz matplotlib numpy pandas scipy plotly six ]
-    ++ lib.optional withCuda [ cudatoolkit ];
+    ++ lib.optionals withCuda [ cudatoolkit ];
 
   patches = [
     ./nix-support.patch
diff --git a/pkgs/development/python-modules/ciso8601/default.nix b/pkgs/development/python-modules/ciso8601/default.nix
index e210e974414..79afe850007 100644
--- a/pkgs/development/python-modules/ciso8601/default.nix
+++ b/pkgs/development/python-modules/ciso8601/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
 
   checkInputs = [
     pytz
-  ] ++ lib.optional (isPy27) [
+  ] ++ lib.optionals (isPy27) [
     unittest2
   ];
 
diff --git a/pkgs/development/python-modules/deprecation/default.nix b/pkgs/development/python-modules/deprecation/default.nix
index 441971fa6e7..0e15f2d74c6 100644
--- a/pkgs/development/python-modules/deprecation/default.nix
+++ b/pkgs/development/python-modules/deprecation/default.nix
@@ -30,7 +30,7 @@ buildPythonPackage rec {
 
   # avoiding mass rebuilds for python3.9, but no longer
   # needed with patch
-  checkInputs = [ unittestCheckHook ] ++ lib.optional (pythonOlder "3.10") [
+  checkInputs = [ unittestCheckHook ] ++ lib.optionals (pythonOlder "3.10") [
     unittest2
   ];
 
diff --git a/pkgs/development/python-modules/dnspython/default.nix b/pkgs/development/python-modules/dnspython/default.nix
index 1dbbba48b10..4b714859649 100644
--- a/pkgs/development/python-modules/dnspython/default.nix
+++ b/pkgs/development/python-modules/dnspython/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
 
   checkInputs = [
     pytestCheckHook
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     cacert
   ];
 
diff --git a/pkgs/development/python-modules/enlighten/default.nix b/pkgs/development/python-modules/enlighten/default.nix
index b6d31ddaf94..e970aaee337 100644
--- a/pkgs/development/python-modules/enlighten/default.nix
+++ b/pkgs/development/python-modules/enlighten/default.nix
@@ -36,7 +36,7 @@ buildPythonPackage rec {
   disabledTests = [
     # AssertionError: <_io.TextIOWrapper name='<stdout>' mode='w' encoding='utf-8'> is not...
     "test_init"
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     # https://github.com/Rockhopper-Technologies/enlighten/issues/44
     "test_autorefresh"
   ];
diff --git a/pkgs/development/python-modules/fixtures/default.nix b/pkgs/development/python-modules/fixtures/default.nix
index 3e9f9943327..2bc6612ba70 100644
--- a/pkgs/development/python-modules/fixtures/default.nix
+++ b/pkgs/development/python-modules/fixtures/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     sha256 = "fcf0d60234f1544da717a9738325812de1f42c2fa085e2d9252d8fff5712b2ef";
   };
 
-  patches = lib.optional (pythonAtLeast "3.9") [
+  patches = lib.optionals (pythonAtLeast "3.9") [
     # drop tests that try to monkeypatch a classmethod, which fails on python3.9
     # https://github.com/testing-cabal/fixtures/issues/44
     (fetchpatch {
diff --git a/pkgs/development/python-modules/funcsigs/default.nix b/pkgs/development/python-modules/funcsigs/default.nix
index 115d358cb78..a59b6f33b5f 100644
--- a/pkgs/development/python-modules/funcsigs/default.nix
+++ b/pkgs/development/python-modules/funcsigs/default.nix
@@ -12,7 +12,7 @@ buildPythonPackage rec {
   };
 
   # https://github.com/testing-cabal/funcsigs/issues/10
-  patches = lib.optional (isPyPy && isPy3k) [ ./fix-pypy3-tests.patch ];
+  patches = lib.optionals (isPyPy && isPy3k) [ ./fix-pypy3-tests.patch ];
 
   # requires, unittest2 and package hasn't been maintained since 2013
   doCheck = false;
diff --git a/pkgs/development/python-modules/glymur/default.nix b/pkgs/development/python-modules/glymur/default.nix
index 40748f86954..9c652994a8c 100644
--- a/pkgs/development/python-modules/glymur/default.nix
+++ b/pkgs/development/python-modules/glymur/default.nix
@@ -26,7 +26,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     numpy
-  ] ++ lib.optional isPy27 [ contextlib2 mock importlib-resources ];
+  ] ++ lib.optionals isPy27 [ contextlib2 mock importlib-resources ];
 
   checkInputs = [
     scikitimage
diff --git a/pkgs/development/python-modules/hupper/default.nix b/pkgs/development/python-modules/hupper/default.nix
index 97260697460..a9e8bd11216 100644
--- a/pkgs/development/python-modules/hupper/default.nix
+++ b/pkgs/development/python-modules/hupper/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
   # segfaults in the testsuite that end up failing the tests in a background thread (in myapp)
   checkInputs = [
     pytestCheckHook
-  ] ++ lib.optional (!stdenv.isDarwin) [
+  ] ++ lib.optionals (!stdenv.isDarwin) [
     watchdog
   ];
 
diff --git a/pkgs/development/python-modules/importlib-resources/default.nix b/pkgs/development/python-modules/importlib-resources/default.nix
index 7e5d7e1448a..12473356872 100644
--- a/pkgs/development/python-modules/importlib-resources/default.nix
+++ b/pkgs/development/python-modules/importlib-resources/default.nix
@@ -27,7 +27,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     importlib-metadata
-  ] ++ lib.optional (pythonOlder "3.5") [
+  ] ++ lib.optionals (pythonOlder "3.5") [
     typing
   ];
 
diff --git a/pkgs/development/python-modules/jaraco_text/default.nix b/pkgs/development/python-modules/jaraco_text/default.nix
index 341c744a429..4891b2ea38c 100644
--- a/pkgs/development/python-modules/jaraco_text/default.nix
+++ b/pkgs/development/python-modules/jaraco_text/default.nix
@@ -37,13 +37,13 @@ buildPythonPackage rec {
     jaraco-context
     jaraco_functools
     inflect
-  ] ++ lib.optional (pythonOlder "3.9") [
+  ] ++ lib.optionals (pythonOlder "3.9") [
     importlib-resources
   ];
 
   checkInputs = [
     pytestCheckHook
-  ] ++ lib.optional (pythonOlder "3.10") [
+  ] ++ lib.optionals (pythonOlder "3.10") [
     pathlib2
   ];
 
diff --git a/pkgs/development/python-modules/jaxlib/default.nix b/pkgs/development/python-modules/jaxlib/default.nix
index 12ba67b7124..c745737d352 100644
--- a/pkgs/development/python-modules/jaxlib/default.nix
+++ b/pkgs/development/python-modules/jaxlib/default.nix
@@ -219,11 +219,11 @@ let
     # relevant dependencies can be downloaded.
     bazelFlags = [
       "-c opt"
-    ] ++ lib.optional (stdenv.targetPlatform.isx86_64 && stdenv.targetPlatform.isUnix) [
+    ] ++ lib.optionals (stdenv.targetPlatform.isx86_64 && stdenv.targetPlatform.isUnix) [
       "--config=avx_posix"
-    ] ++ lib.optional cudaSupport [
+    ] ++ lib.optionals cudaSupport [
       "--config=cuda"
-    ] ++ lib.optional mklSupport [
+    ] ++ lib.optionals mklSupport [
       "--config=mkl_open_source_only"
     ] ++ lib.optionals stdenv.cc.isClang [
       # bazel depends on the compiler frontend automatically selecting these flags based on file
diff --git a/pkgs/development/python-modules/lightgbm/default.nix b/pkgs/development/python-modules/lightgbm/default.nix
index 015417151b7..ad54268c8cf 100644
--- a/pkgs/development/python-modules/lightgbm/default.nix
+++ b/pkgs/development/python-modules/lightgbm/default.nix
@@ -23,7 +23,7 @@ buildPythonPackage rec {
 
   dontUseCmakeConfigure = true;
 
-  buildInputs = lib.optional stdenv.cc.isClang [ llvmPackages.openmp ];
+  buildInputs = lib.optionals stdenv.cc.isClang [ llvmPackages.openmp ];
   propagatedBuildInputs = [
     numpy
     scipy
diff --git a/pkgs/development/python-modules/markdown-it-py/default.nix b/pkgs/development/python-modules/markdown-it-py/default.nix
index f4c83d5df34..d408c007100 100644
--- a/pkgs/development/python-modules/markdown-it-py/default.nix
+++ b/pkgs/development/python-modules/markdown-it-py/default.nix
@@ -35,7 +35,7 @@ buildPythonPackage rec {
     attrs
     linkify-it-py
     mdurl
-  ] ++ lib.optional (pythonOlder "3.8") [
+  ] ++ lib.optionals (pythonOlder "3.8") [
     typing-extensions
   ];
 
diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix
index ad32c3db7eb..6a507d01ef3 100644
--- a/pkgs/development/python-modules/matplotlib/default.nix
+++ b/pkgs/development/python-modules/matplotlib/default.nix
@@ -39,9 +39,9 @@ buildPythonPackage rec {
   buildInputs = [
     which
     sphinx
-  ] ++ lib.optional enableGhostscript [
+  ] ++ lib.optionals enableGhostscript [
     ghostscript
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     Cocoa
   ];
 
diff --git a/pkgs/development/python-modules/nipy/default.nix b/pkgs/development/python-modules/nipy/default.nix
index 5bdf6fdcd44..d5e399701dc 100644
--- a/pkgs/development/python-modules/nipy/default.nix
+++ b/pkgs/development/python-modules/nipy/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     sha256 = "a8a2c97ce854fece4aced5a6394b9fdca5846150ad6d2a36b86590924af3c848";
   };
 
-  buildInputs = lib.optional doCheck [ nose ];
+  buildInputs = lib.optionals doCheck [ nose ];
   propagatedBuildInputs = [ matplotlib nibabel numpy scipy sympy ];
 
   checkPhase = ''    # wants to be run in a different directory
diff --git a/pkgs/development/python-modules/notebook/default.nix b/pkgs/development/python-modules/notebook/default.nix
index 4efaaf3f9ec..fdb599466ff 100644
--- a/pkgs/development/python-modules/notebook/default.nix
+++ b/pkgs/development/python-modules/notebook/default.nix
@@ -68,7 +68,7 @@ buildPythonPackage rec {
     "sock_server"
     "test_list_formats" # tries to find python MIME type
     "KernelCullingTest" # has a race condition failing on slower hardware
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     "test_delete"
     "test_checkpoints_follow_file"
   ];
diff --git a/pkgs/development/python-modules/numba/default.nix b/pkgs/development/python-modules/numba/default.nix
index 2ca0e08ba5b..965130658c4 100644
--- a/pkgs/development/python-modules/numba/default.nix
+++ b/pkgs/development/python-modules/numba/default.nix
@@ -40,7 +40,7 @@ in buildPythonPackage rec {
 
   NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";
 
-  nativeBuildInputs = lib.optional cudaSupport [
+  nativeBuildInputs = lib.optionals cudaSupport [
     addOpenGLRunpath
   ];
 
diff --git a/pkgs/development/python-modules/paho-mqtt/default.nix b/pkgs/development/python-modules/paho-mqtt/default.nix
index fb249acf633..e25f5474868 100644
--- a/pkgs/development/python-modules/paho-mqtt/default.nix
+++ b/pkgs/development/python-modules/paho-mqtt/default.nix
@@ -22,7 +22,7 @@ buildPythonPackage rec {
   checkInputs = [
     pytestCheckHook
     six
-  ] ++ lib.optional (!isPy3k) [
+  ] ++ lib.optionals (!isPy3k) [
     mock
   ];
 
diff --git a/pkgs/development/python-modules/peewee/default.nix b/pkgs/development/python-modules/peewee/default.nix
index 86fcd3948a6..bb1370fe073 100644
--- a/pkgs/development/python-modules/peewee/default.nix
+++ b/pkgs/development/python-modules/peewee/default.nix
@@ -34,9 +34,9 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     apsw
-  ] ++ lib.optional withPostgres [
+  ] ++ lib.optionals withPostgres [
     psycopg2
-  ] ++ lib.optional withMysql [
+  ] ++ lib.optionals withMysql [
     mysql-connector
   ];
 
diff --git a/pkgs/development/python-modules/pygit2/default.nix b/pkgs/development/python-modules/pygit2/default.nix
index 565cd6d67ec..413b79c562b 100644
--- a/pkgs/development/python-modules/pygit2/default.nix
+++ b/pkgs/development/python-modules/pygit2/default.nix
@@ -35,11 +35,11 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     cached-property
     pycparser
-  ] ++ lib.optional (!isPyPy) [
+  ] ++ lib.optionals (!isPyPy) [
     cffi
   ];
 
-  propagatedNativeBuildInputs = lib.optional (!isPyPy) [
+  propagatedNativeBuildInputs = lib.optionals (!isPyPy) [
     cffi
   ];
 
diff --git a/pkgs/development/python-modules/pyls-mypy/default.nix b/pkgs/development/python-modules/pyls-mypy/default.nix
index acce4469eed..ad387106e88 100644
--- a/pkgs/development/python-modules/pyls-mypy/default.nix
+++ b/pkgs/development/python-modules/pyls-mypy/default.nix
@@ -38,7 +38,7 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     mypy python-language-server configparser
-  ] ++ lib.optional (isPy27) [
+  ] ++ lib.optionals (isPy27) [
     future
   ];
 
diff --git a/pkgs/development/python-modules/python-miio/default.nix b/pkgs/development/python-modules/python-miio/default.nix
index d1497c43bcb..32d5d542c30 100644
--- a/pkgs/development/python-modules/python-miio/default.nix
+++ b/pkgs/development/python-modules/python-miio/default.nix
@@ -54,7 +54,7 @@ buildPythonPackage rec {
     pyyaml
     tqdm
     zeroconf
-  ] ++ lib.optional (pythonOlder "3.8") [
+  ] ++ lib.optionals (pythonOlder "3.8") [
     importlib-metadata
   ];
 
diff --git a/pkgs/development/python-modules/qutip/default.nix b/pkgs/development/python-modules/qutip/default.nix
index e99deef489f..519cb9957bc 100644
--- a/pkgs/development/python-modules/qutip/default.nix
+++ b/pkgs/development/python-modules/qutip/default.nix
@@ -46,7 +46,7 @@ buildPythonPackage rec {
   ] ++ passthru.optional-dependencies.graphics;
 
   # Disabling OpenMP support on Darwin.
-  setupPyGlobalFlags = lib.optional (!stdenv.isDarwin) [
+  setupPyGlobalFlags = lib.optionals (!stdenv.isDarwin) [
     "--with-openmp"
   ];
 
diff --git a/pkgs/development/python-modules/rdflib/default.nix b/pkgs/development/python-modules/rdflib/default.nix
index 1aa995d85d7..27356390cfd 100644
--- a/pkgs/development/python-modules/rdflib/default.nix
+++ b/pkgs/development/python-modules/rdflib/default.nix
@@ -68,7 +68,7 @@ buildPythonPackage rec {
     # Requires network access
     "test_service"
     "testGuessFormatForParse"
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     # Require loopback network access
     "TestGraphHTTP"
   ];
diff --git a/pkgs/development/python-modules/rich/default.nix b/pkgs/development/python-modules/rich/default.nix
index 36e7ca24fbd..c2cd935c651 100644
--- a/pkgs/development/python-modules/rich/default.nix
+++ b/pkgs/development/python-modules/rich/default.nix
@@ -35,9 +35,9 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     CommonMark
     pygments
-  ] ++ lib.optional (pythonOlder "3.7") [
+  ] ++ lib.optionals (pythonOlder "3.7") [
     dataclasses
-  ] ++ lib.optional (pythonOlder "3.9") [
+  ] ++ lib.optionals (pythonOlder "3.9") [
     typing-extensions
   ];
 
diff --git a/pkgs/development/python-modules/simple-di/default.nix b/pkgs/development/python-modules/simple-di/default.nix
index c79b58f8a62..150eb52f8d4 100644
--- a/pkgs/development/python-modules/simple-di/default.nix
+++ b/pkgs/development/python-modules/simple-di/default.nix
@@ -23,7 +23,7 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     setuptools
     typing-extensions
-  ] ++ lib.optional (pythonOlder "3.7") [
+  ] ++ lib.optionals (pythonOlder "3.7") [
     dataclasses
   ];
 
diff --git a/pkgs/development/python-modules/spacy/default.nix b/pkgs/development/python-modules/spacy/default.nix
index cc1c01adf28..f197b1080fb 100644
--- a/pkgs/development/python-modules/spacy/default.nix
+++ b/pkgs/development/python-modules/spacy/default.nix
@@ -63,7 +63,7 @@ buildPythonPackage rec {
     tqdm
     typer
     wasabi
-  ] ++ lib.optional (pythonOlder "3.8") [
+  ] ++ lib.optionals (pythonOlder "3.8") [
     typing-extensions
   ];
 
diff --git a/pkgs/development/python-modules/sphinx/default.nix b/pkgs/development/python-modules/sphinx/default.nix
index 0983fb7e7a7..5a27f04bd0e 100644
--- a/pkgs/development/python-modules/sphinx/default.nix
+++ b/pkgs/development/python-modules/sphinx/default.nix
@@ -107,7 +107,7 @@ buildPythonPackage rec {
     # requires imagemagick (increases build closure size), doesn't
     # test anything substantial
     "test_ext_imgconverter"
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     # Due to lack of network sandboxing can't guarantee port 7777 isn't bound
     "test_inspect_main_url"
     "test_auth_header_uses_first_match"
diff --git a/pkgs/development/python-modules/starlette/default.nix b/pkgs/development/python-modules/starlette/default.nix
index d1e8f789fc3..78a428a2a72 100644
--- a/pkgs/development/python-modules/starlette/default.nix
+++ b/pkgs/development/python-modules/starlette/default.nix
@@ -50,7 +50,7 @@ buildPythonPackage rec {
     typing-extensions
   ] ++ lib.optionals (pythonOlder "3.7") [
     contextlib2
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     ApplicationServices
   ];
 
diff --git a/pkgs/development/python-modules/tensorflow/bin.nix b/pkgs/development/python-modules/tensorflow/bin.nix
index b266f837f84..ca3c818d34a 100644
--- a/pkgs/development/python-modules/tensorflow/bin.nix
+++ b/pkgs/development/python-modules/tensorflow/bin.nix
@@ -82,7 +82,7 @@ in buildPythonPackage {
     ++ lib.optionals (pythonOlder "3.4") [ backports_weakref ];
 
   # remove patchelfUnstable once patchelf 0.14 with https://github.com/NixOS/patchelf/pull/256 becomes the default
-  nativeBuildInputs = [ wheel ] ++ lib.optional cudaSupport [ addOpenGLRunpath patchelfUnstable ];
+  nativeBuildInputs = [ wheel ] ++ lib.optionals cudaSupport [ addOpenGLRunpath patchelfUnstable ];
 
   preConfigure = ''
     unset SOURCE_DATE_EPOCH
diff --git a/pkgs/development/python-modules/tensorflow/default.nix b/pkgs/development/python-modules/tensorflow/default.nix
index 31fff483205..c8308b2f80a 100644
--- a/pkgs/development/python-modules/tensorflow/default.nix
+++ b/pkgs/development/python-modules/tensorflow/default.nix
@@ -483,7 +483,7 @@ in buildPythonPackage {
   ];
 
   # remove patchelfUnstable once patchelf 0.14 with https://github.com/NixOS/patchelf/pull/256 becomes the default
-  nativeBuildInputs = lib.optional cudaSupport [ addOpenGLRunpath patchelfUnstable ];
+  nativeBuildInputs = lib.optionals cudaSupport [ addOpenGLRunpath patchelfUnstable ];
 
   postFixup = lib.optionalString cudaSupport ''
     find $out -type f \( -name '*.so' -or -name '*.so.*' \) | while read lib; do
diff --git a/pkgs/development/python-modules/thinc/default.nix b/pkgs/development/python-modules/thinc/default.nix
index 51ee2803f3c..6da1ae89445 100644
--- a/pkgs/development/python-modules/thinc/default.nix
+++ b/pkgs/development/python-modules/thinc/default.nix
@@ -66,9 +66,9 @@ buildPythonPackage rec {
     tqdm
     pydantic
     wasabi
-  ] ++ lib.optional (pythonOlder "3.8") [
+  ] ++ lib.optionals (pythonOlder "3.8") [
     typing-extensions
-  ] ++ lib.optional (pythonOlder "3.7") [
+  ] ++ lib.optionals (pythonOlder "3.7") [
     contextvars
     dataclasses
   ];
diff --git a/pkgs/development/python-modules/tzdata/default.nix b/pkgs/development/python-modules/tzdata/default.nix
index c701d3683cd..d1fed0b21fa 100644
--- a/pkgs/development/python-modules/tzdata/default.nix
+++ b/pkgs/development/python-modules/tzdata/default.nix
@@ -25,7 +25,7 @@ buildPythonPackage rec {
   checkInputs = [
     pytestCheckHook
     pytest-subtests
-  ] ++ lib.optional (pythonOlder "3.7") [
+  ] ++ lib.optionals (pythonOlder "3.7") [
     importlib-resources
   ];
 
diff --git a/pkgs/development/python-modules/wandb/default.nix b/pkgs/development/python-modules/wandb/default.nix
index b1ad380f04b..090b7a24765 100644
--- a/pkgs/development/python-modules/wandb/default.nix
+++ b/pkgs/development/python-modules/wandb/default.nix
@@ -157,7 +157,7 @@ buildPythonPackage rec {
 
   # Disable test that fails on darwin due to issue with python3Packages.psutil:
   # https://github.com/giampaolo/psutil/issues/1219
-  disabledTests = lib.optional stdenv.isDarwin [
+  disabledTests = lib.optionals stdenv.isDarwin [
     "test_tpu_system_stats"
   ];
 
diff --git a/pkgs/development/python-modules/web3/default.nix b/pkgs/development/python-modules/web3/default.nix
index b07bc9cee9d..8515ccda362 100644
--- a/pkgs/development/python-modules/web3/default.nix
+++ b/pkgs/development/python-modules/web3/default.nix
@@ -56,7 +56,7 @@ buildPythonPackage rec {
     protobuf
     requests
     websockets
-  ] ++ lib.optional (pythonOlder "3.8") [
+  ] ++ lib.optionals (pythonOlder "3.8") [
     typing-extensions
   ] ++ eth-hash.optional-dependencies.pycryptodome;
 
diff --git a/pkgs/development/python-modules/yamllint/default.nix b/pkgs/development/python-modules/yamllint/default.nix
index 58d47d1fff9..ca092cef8c7 100644
--- a/pkgs/development/python-modules/yamllint/default.nix
+++ b/pkgs/development/python-modules/yamllint/default.nix
@@ -30,7 +30,7 @@ buildPythonPackage rec {
   disabledTests = [
     # test failure reported upstream: https://github.com/adrienverge/yamllint/issues/373
     "test_find_files_recursively"
-  ] ++ lib.optional stdenv.isDarwin [
+  ] ++ lib.optionals stdenv.isDarwin [
     # locale tests are broken on BSDs; see https://github.com/adrienverge/yamllint/issues/307
     "test_locale_accents"
     "test_locale_case"
diff --git a/pkgs/development/tools/analysis/radare2/default.nix b/pkgs/development/tools/analysis/radare2/default.nix
index 63594300e83..905e78fd765 100644
--- a/pkgs/development/tools/analysis/radare2/default.nix
+++ b/pkgs/development/tools/analysis/radare2/default.nix
@@ -97,10 +97,10 @@ stdenv.mkDerivation rec {
     zlib
     openssl
     libuv
-  ] ++ lib.optional useX11 [ gtkdialog vte gtk2 ]
-    ++ lib.optional rubyBindings [ ruby ]
-    ++ lib.optional pythonBindings [ python3 ]
-    ++ lib.optional luaBindings [ lua ];
+  ] ++ lib.optionals useX11 [ gtkdialog vte gtk2 ]
+    ++ lib.optionals rubyBindings [ ruby ]
+    ++ lib.optionals pythonBindings [ python3 ]
+    ++ lib.optionals luaBindings [ lua ];
 
   propagatedBuildInputs = [
     # radare2 exposes r_lib which depends on these libraries
diff --git a/pkgs/development/tools/misc/pahole/default.nix b/pkgs/development/tools/misc/pahole/default.nix
index 1e923c380d6..7a60da1e53a 100644
--- a/pkgs/development/tools/misc/pahole/default.nix
+++ b/pkgs/development/tools/misc/pahole/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ elfutils zlib libbpf ]
-    ++ lib.optional stdenv.hostPlatform.isMusl [
+    ++ lib.optionals stdenv.hostPlatform.isMusl [
     argp-standalone
     musl-obstack
   ];
diff --git a/pkgs/development/tools/misc/pkg-config/default.nix b/pkgs/development/tools/misc/pkg-config/default.nix
index 70370e42126..f2721ab952c 100644
--- a/pkgs/development/tools/misc/pkg-config/default.nix
+++ b/pkgs/development/tools/misc/pkg-config/default.nix
@@ -28,9 +28,9 @@ stdenv.mkDerivation rec {
   buildInputs = optional (stdenv.isCygwin || stdenv.isDarwin || stdenv.isSunOS) libiconv;
 
   configureFlags = [ "--with-internal-glib" ]
-    ++ optional (stdenv.isSunOS) [ "--with-libiconv=gnu" "--with-system-library-path" "--with-system-include-path" "CFLAGS=-DENABLE_NLS" ]
+    ++ optionals (stdenv.isSunOS) [ "--with-libiconv=gnu" "--with-system-library-path" "--with-system-include-path" "CFLAGS=-DENABLE_NLS" ]
        # Can't run these tests while cross-compiling
-    ++ optional (stdenv.hostPlatform != stdenv.buildPlatform)
+    ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform)
        [ "glib_cv_stack_grows=no"
          "glib_cv_uscore=no"
          "ac_cv_func_posix_getpwuid_r=yes"
diff --git a/pkgs/development/tools/parsing/ragel/default.nix b/pkgs/development/tools/parsing/ragel/default.nix
index 81d7d9f0b35..0e8777e9f3f 100644
--- a/pkgs/development/tools/parsing/ragel/default.nix
+++ b/pkgs/development/tools/parsing/ragel/default.nix
@@ -13,7 +13,7 @@ let
         inherit sha256;
       };
 
-      buildInputs = lib.optional build-manual [ fig2dev ghostscript tex ];
+      buildInputs = lib.optionals build-manual [ fig2dev ghostscript tex ];
 
       preConfigure = lib.optionalString build-manual ''
         sed -i "s/build_manual=no/build_manual=yes/g" DIST
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/overrides/default.nix b/pkgs/development/tools/poetry2nix/poetry2nix/overrides/default.nix
index a3204dd0147..d1a009f32c3 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/overrides/default.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/overrides/default.nix
@@ -385,7 +385,7 @@ lib.composeManyExtensions [
           (
             old: {
               nativeBuildInputs = (old.nativeBuildInputs or [ ])
-                ++ lib.optional (lib.versionAtLeast old.version "3.4") [ self.setuptools-rust ]
+                ++ lib.optionals (lib.versionAtLeast old.version "3.4") [ self.setuptools-rust ]
                 ++ lib.optional (!self.isPyPy) pyBuildPackages.cffi
                 ++ lib.optional (lib.versionAtLeast old.version "3.5" && !isWheel)
                 (with pkgs.rustPlatform; [ cargoSetupHook rust.cargo rust.rustc ]);
@@ -1061,9 +1061,9 @@ lib.composeManyExtensions [
 
           buildInputs = old.buildInputs or [ ] ++ [
             pkgs.which
-          ] ++ lib.optional enableGhostscript [
+          ] ++ lib.optionals enableGhostscript [
             pkgs.ghostscript
-          ] ++ lib.optional stdenv.isDarwin [
+          ] ++ lib.optionals stdenv.isDarwin [
             Cocoa
           ];
 
@@ -1080,7 +1080,7 @@ lib.composeManyExtensions [
 
           nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [
             pkg-config
-          ] ++ lib.optional (lib.versionAtLeast super.matplotlib.version "3.5.0") [
+          ] ++ lib.optionals (lib.versionAtLeast super.matplotlib.version "3.5.0") [
             self.setuptools-scm
             self.setuptools-scm-git-archive
           ];
@@ -2029,7 +2029,7 @@ lib.composeManyExtensions [
         if old.format != "wheel" then {
           nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++
             [ pkgs.gfortran ] ++
-            lib.optional (lib.versionAtLeast super.scipy.version "1.7.0") [ self.pythran ];
+            lib.optionals (lib.versionAtLeast super.scipy.version "1.7.0") [ self.pythran ];
           propagatedBuildInputs = (old.propagatedBuildInputs or [ ]) ++ [ self.pybind11 ];
           setupPyBuildFlags = [ "--fcompiler='gnu95'" ];
           enableParallelBuilding = true;
diff --git a/pkgs/development/tools/summon/default.nix b/pkgs/development/tools/summon/default.nix
index 5c811aaf239..2ed17061c21 100644
--- a/pkgs/development/tools/summon/default.nix
+++ b/pkgs/development/tools/summon/default.nix
@@ -19,7 +19,7 @@ buildGoModule rec {
 
   # Patches provider resolver to support resolving unqualified names
   # from $PATH, e.g. `summon -p gopass` instead of `summon -p $(which gopass)`
-  patches = optional patchResolver [ ./resolve-paths.patch ];
+  patches = optionals patchResolver [ ./resolve-paths.patch ];
 
   postInstall = ''
     mv $out/bin/cmd $out/bin/summon
-- 
cgit 1.4.1