diff --git a/pkgs/tools/package-management/nix/2_26/componentized.nix b/pkgs/tools/package-management/nix/2_26/componentized.nix
index 2d9a3f46f146..9dbf54392fb4 100644
--- a/pkgs/tools/package-management/nix/2_26/componentized.nix
+++ b/pkgs/tools/package-management/nix/2_26/componentized.nix
@@ -1,7 +1,14 @@
-
-{ lib, fetchFromGitHub, splicePackages, generateSplicesForMkScope, newScope, pkgs, stdenv,
+{
+  lib,
+  fetchFromGitHub,
+  splicePackages,
+  generateSplicesForMkScope,
+  newScope,
+  pkgs,
+  stdenv,
   libgit2-thin-packfile,
-  ... }:
+  ...
+}:
 let
   officialRelease = true;
   src = fetchFromGitHub (builtins.fromJSON (builtins.readFile ./source.json));
@@ -41,4 +48,4 @@ let
         };
       };
 in
-  nixComponents.nix-everything
+nixComponents.nix-everything
diff --git a/pkgs/tools/package-management/nix/2_26/dependencies.nix b/pkgs/tools/package-management/nix/2_26/dependencies.nix
index 2cfac6cb63e4..e226384f2acf 100644
--- a/pkgs/tools/package-management/nix/2_26/dependencies.nix
+++ b/pkgs/tools/package-management/nix/2_26/dependencies.nix
@@ -19,9 +19,7 @@ let
 
   root = ./.;
 
-  stdenv = if prevStdenv.isDarwin && prevStdenv.isx86_64
-    then darwinStdenv
-    else prevStdenv;
+  stdenv = if prevStdenv.isDarwin && prevStdenv.isx86_64 then darwinStdenv else prevStdenv;
 
   # Fix the following error with the default x86_64-darwin SDK:
   #
@@ -42,11 +40,14 @@ let
   # The Nix flake uses fileset.toSource for this.
   filesetToSource = { root, fileset }: resolvePath root;
 
-  /** Given a set of layers, create a mkDerivation-like function */
-  mkPackageBuilder = exts: userFn:
-    stdenv.mkDerivation (lib.extends (lib.composeManyExtensions exts) userFn);
+  /**
+    Given a set of layers, create a mkDerivation-like function
+  */
+  mkPackageBuilder =
+    exts: userFn: stdenv.mkDerivation (lib.extends (lib.composeManyExtensions exts) userFn);
 
-  localSourceLayer = finalAttrs: prevAttrs:
+  localSourceLayer =
+    finalAttrs: prevAttrs:
     let
       workDirPath =
         # Ideally we'd pick finalAttrs.workDir, but for now `mkDerivation` has
@@ -68,126 +69,133 @@ let
       workDir = null;
     };
 
-  mesonLayer = finalAttrs: prevAttrs:
-    {
-      # NOTE:
-      # As of https://github.com/NixOS/nixpkgs/blob/8baf8241cea0c7b30e0b8ae73474cb3de83c1a30/pkgs/by-name/me/meson/setup-hook.sh#L26,
-      # `mesonBuildType` defaults to `plain` if not specified. We want our Nix-built binaries to be optimized by default.
-      # More on build types here: https://mesonbuild.com/Builtin-options.html#details-for-buildtype.
-      mesonBuildType = "release";
-      # NOTE:
-      # Users who are debugging Nix builds are expected to set the environment variable `mesonBuildType`, per the
-      # guidance in https://github.com/NixOS/nix/blob/8a3fc27f1b63a08ac983ee46435a56cf49ebaf4a/doc/manual/source/development/debugging.md?plain=1#L10.
-      # For this reason, we don't want to refer to `finalAttrs.mesonBuildType` here, but rather use the environment variable.
-      preConfigure = prevAttrs.preConfigure or "" + lib.optionalString (
-        !stdenv.hostPlatform.isWindows
-        # build failure
-        && !stdenv.hostPlatform.isStatic
-        # LTO breaks exception handling on x86-64-darwin.
-        && stdenv.system != "x86_64-darwin"
-      ) ''
-        case "$mesonBuildType" in
-        release|minsize) appendToVar mesonFlags "-Db_lto=true"  ;;
-        *)               appendToVar mesonFlags "-Db_lto=false" ;;
-        esac
-      '';
-      nativeBuildInputs = [
-        pkgs.buildPackages.meson
-        pkgs.buildPackages.ninja
-      ] ++ prevAttrs.nativeBuildInputs or [];
-      mesonCheckFlags = prevAttrs.mesonCheckFlags or [] ++ [
-        "--print-errorlogs"
-      ];
-    };
+  mesonLayer = finalAttrs: prevAttrs: {
+    # NOTE:
+    # As of https://github.com/NixOS/nixpkgs/blob/8baf8241cea0c7b30e0b8ae73474cb3de83c1a30/pkgs/by-name/me/meson/setup-hook.sh#L26,
+    # `mesonBuildType` defaults to `plain` if not specified. We want our Nix-built binaries to be optimized by default.
+    # More on build types here: https://mesonbuild.com/Builtin-options.html#details-for-buildtype.
+    mesonBuildType = "release";
+    # NOTE:
+    # Users who are debugging Nix builds are expected to set the environment variable `mesonBuildType`, per the
+    # guidance in https://github.com/NixOS/nix/blob/8a3fc27f1b63a08ac983ee46435a56cf49ebaf4a/doc/manual/source/development/debugging.md?plain=1#L10.
+    # For this reason, we don't want to refer to `finalAttrs.mesonBuildType` here, but rather use the environment variable.
+    preConfigure =
+      prevAttrs.preConfigure or ""
+      +
+        lib.optionalString
+          (
+            !stdenv.hostPlatform.isWindows
+            # build failure
+            && !stdenv.hostPlatform.isStatic
+            # LTO breaks exception handling on x86-64-darwin.
+            && stdenv.system != "x86_64-darwin"
+          )
+          ''
+            case "$mesonBuildType" in
+            release|minsize) appendToVar mesonFlags "-Db_lto=true"  ;;
+            *)               appendToVar mesonFlags "-Db_lto=false" ;;
+            esac
+          '';
+    nativeBuildInputs = [
+      pkgs.buildPackages.meson
+      pkgs.buildPackages.ninja
+    ] ++ prevAttrs.nativeBuildInputs or [ ];
+    mesonCheckFlags = prevAttrs.mesonCheckFlags or [ ] ++ [
+      "--print-errorlogs"
+    ];
+  };
 
-  mesonBuildLayer = finalAttrs: prevAttrs:
-    {
-      nativeBuildInputs = prevAttrs.nativeBuildInputs or [] ++ [
-        pkgs.buildPackages.pkg-config
-      ];
-      separateDebugInfo = !stdenv.hostPlatform.isStatic;
-      hardeningDisable = lib.optional stdenv.hostPlatform.isStatic "pie";
-      env = prevAttrs.env or {}
-        // lib.optionalAttrs
-          (stdenv.isLinux
-            && !(stdenv.hostPlatform.isStatic && stdenv.system == "aarch64-linux")
-            && !(stdenv.hostPlatform.useLLVM or false))
-          { LDFLAGS = "-fuse-ld=gold"; };
-    };
+  mesonBuildLayer = finalAttrs: prevAttrs: {
+    nativeBuildInputs = prevAttrs.nativeBuildInputs or [ ] ++ [
+      pkgs.buildPackages.pkg-config
+    ];
+    separateDebugInfo = !stdenv.hostPlatform.isStatic;
+    hardeningDisable = lib.optional stdenv.hostPlatform.isStatic "pie";
+    env =
+      prevAttrs.env or { }
+      // lib.optionalAttrs (
+        stdenv.isLinux
+        && !(stdenv.hostPlatform.isStatic && stdenv.system == "aarch64-linux")
+        && !(stdenv.hostPlatform.useLLVM or false)
+      ) { LDFLAGS = "-fuse-ld=gold"; };
+  };
 
-  mesonLibraryLayer = finalAttrs: prevAttrs:
-    {
-      outputs = prevAttrs.outputs or [ "out" ] ++ [ "dev" ];
-    };
+  mesonLibraryLayer = finalAttrs: prevAttrs: {
+    outputs = prevAttrs.outputs or [ "out" ] ++ [ "dev" ];
+  };
 
   # Work around weird `--as-needed` linker behavior with BSD, see
   # https://github.com/mesonbuild/meson/issues/3593
-  bsdNoLinkAsNeeded = finalAttrs: prevAttrs:
+  bsdNoLinkAsNeeded =
+    finalAttrs: prevAttrs:
     lib.optionalAttrs stdenv.hostPlatform.isBSD {
-      mesonFlags = [ (lib.mesonBool "b_asneeded" false) ] ++ prevAttrs.mesonFlags or [];
+      mesonFlags = [ (lib.mesonBool "b_asneeded" false) ] ++ prevAttrs.mesonFlags or [ ];
     };
 
-  miscGoodPractice = finalAttrs: prevAttrs:
-    {
-      strictDeps = prevAttrs.strictDeps or true;
-      enableParallelBuilding = true;
-    };
+  miscGoodPractice = finalAttrs: prevAttrs: {
+    strictDeps = prevAttrs.strictDeps or true;
+    enableParallelBuilding = true;
+  };
 in
 scope: {
   inherit stdenv;
   inherit libgit2-thin-packfile;
 
-  aws-sdk-cpp = (pkgs.aws-sdk-cpp.override {
-    apis = [ "s3" "transfer" ];
-    customMemoryManagement = false;
-  }).overrideAttrs {
-    # only a stripped down version is built, which takes a lot less resources
-    # to build, so we don't need a "big-parallel" machine.
-    requiredSystemFeatures = [ ];
-  };
+  aws-sdk-cpp =
+    (pkgs.aws-sdk-cpp.override {
+      apis = [
+        "s3"
+        "transfer"
+      ];
+      customMemoryManagement = false;
+    }).overrideAttrs
+      {
+        # only a stripped down version is built, which takes a lot less resources
+        # to build, so we don't need a "big-parallel" machine.
+        requiredSystemFeatures = [ ];
+      };
 
   boehmgc = pkgs.boehmgc.override {
     enableLargeConfig = true;
   };
 
   # TODO Hack until https://github.com/NixOS/nixpkgs/issues/45462 is fixed.
-  boost = (pkgs.boost.override {
-    extraB2Args = [
-      "--with-container"
-      "--with-context"
-      "--with-coroutine"
-    ];
-  }).overrideAttrs (old: {
-    # Need to remove `--with-*` to use `--with-libraries=...`
-    buildPhase = lib.replaceStrings [ "--without-python" ] [ "" ] old.buildPhase;
-    installPhase = lib.replaceStrings [ "--without-python" ] [ "" ] old.installPhase;
-  });
+  boost =
+    (pkgs.boost.override {
+      extraB2Args = [
+        "--with-container"
+        "--with-context"
+        "--with-coroutine"
+      ];
+    }).overrideAttrs
+      (old: {
+        # Need to remove `--with-*` to use `--with-libraries=...`
+        buildPhase = lib.replaceStrings [ "--without-python" ] [ "" ] old.buildPhase;
+        installPhase = lib.replaceStrings [ "--without-python" ] [ "" ] old.installPhase;
+      });
 
   libgit2 = libgit2-thin-packfile;
 
   inherit resolvePath filesetToSource;
 
-  mkMesonDerivation =
-    mkPackageBuilder [
-      miscGoodPractice
-      localSourceLayer
-      mesonLayer
-    ];
-  mkMesonExecutable =
-    mkPackageBuilder [
-      miscGoodPractice
-      bsdNoLinkAsNeeded
-      localSourceLayer
-      mesonLayer
-      mesonBuildLayer
-    ];
-  mkMesonLibrary =
-    mkPackageBuilder [
-      miscGoodPractice
-      bsdNoLinkAsNeeded
-      localSourceLayer
-      mesonLayer
-      mesonBuildLayer
-      mesonLibraryLayer
-    ];
+  mkMesonDerivation = mkPackageBuilder [
+    miscGoodPractice
+    localSourceLayer
+    mesonLayer
+  ];
+  mkMesonExecutable = mkPackageBuilder [
+    miscGoodPractice
+    bsdNoLinkAsNeeded
+    localSourceLayer
+    mesonLayer
+    mesonBuildLayer
+  ];
+  mkMesonLibrary = mkPackageBuilder [
+    miscGoodPractice
+    bsdNoLinkAsNeeded
+    localSourceLayer
+    mesonLayer
+    mesonBuildLayer
+    mesonLibraryLayer
+  ];
 }
diff --git a/pkgs/tools/package-management/nix/2_26/doc/manual/package.nix b/pkgs/tools/package-management/nix/2_26/doc/manual/package.nix
index f8133f2e1dd1..8f5d0dfe1370 100644
--- a/pkgs/tools/package-management/nix/2_26/doc/manual/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/doc/manual/package.nix
@@ -1,19 +1,20 @@
-{ lib
-, mkMesonDerivation
+{
+  lib,
+  mkMesonDerivation,
 
-, meson
-, ninja
-, lowdown-unsandboxed
-, mdbook
-, mdbook-linkcheck
-, jq
-, python3
-, rsync
-, nix-cli
+  meson,
+  ninja,
+  lowdown-unsandboxed,
+  mdbook,
+  mdbook-linkcheck,
+  jq,
+  python3,
+  rsync,
+  nix-cli,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
@@ -25,18 +26,22 @@ mkMesonDerivation (finalAttrs: {
   inherit version;
 
   workDir = ./.;
-  fileset = fileset.difference
-    (fileset.unions [
-      ../../.version
-      # Too many different types of files to filter for now
-      ../../doc/manual
-      ./.
-    ])
-    # Do a blacklist instead
-    ../../doc/manual/package.nix;
+  fileset =
+    fileset.difference
+      (fileset.unions [
+        ../../.version
+        # Too many different types of files to filter for now
+        ../../doc/manual
+        ./.
+      ])
+      # Do a blacklist instead
+      ../../doc/manual/package.nix;
 
   # TODO the man pages should probably be separate
-  outputs = [ "out" "man" ];
+  outputs = [
+    "out"
+    "man"
+  ];
 
   # Hack for sake of the dev shell
   passthru.externalNativeBuildInputs = [
@@ -54,11 +59,10 @@ mkMesonDerivation (finalAttrs: {
     nix-cli
   ];
 
-  preConfigure =
-    ''
-      chmod u+w ./.version
-      echo ${finalAttrs.version} > ./.version
-    '';
+  preConfigure = ''
+    chmod u+w ./.version
+    echo ${finalAttrs.version} > ./.version
+  '';
 
   postInstall = ''
     mkdir -p ''$out/nix-support
diff --git a/pkgs/tools/package-management/nix/2_26/packaging/components.nix b/pkgs/tools/package-management/nix/2_26/packaging/components.nix
index bd9d5687a71c..57932617f827 100644
--- a/pkgs/tools/package-management/nix/2_26/packaging/components.nix
+++ b/pkgs/tools/package-management/nix/2_26/packaging/components.nix
@@ -13,9 +13,11 @@ let
 
   versionSuffix = lib.optionalString (!officialRelease) "pre";
 
-  fineVersionSuffix = lib.optionalString
-    (!officialRelease)
-    "pre${builtins.substring 0 8 (src.lastModifiedDate or src.lastModified or "19700101")}_${src.shortRev or "dirty"}";
+  fineVersionSuffix =
+    lib.optionalString (!officialRelease)
+      "pre${
+        builtins.substring 0 8 (src.lastModifiedDate or src.lastModified or "19700101")
+      }_${src.shortRev or "dirty"}";
 
   fineVersion = baseVersion + fineVersionSuffix;
 in
diff --git a/pkgs/tools/package-management/nix/2_26/packaging/everything.nix b/pkgs/tools/package-management/nix/2_26/packaging/everything.nix
index 7ca878d8d535..2b47c31bbf54 100644
--- a/pkgs/tools/package-management/nix/2_26/packaging/everything.nix
+++ b/pkgs/tools/package-management/nix/2_26/packaging/everything.nix
@@ -42,27 +42,31 @@
 }:
 
 let
-  libs = {
-    inherit
-      nix-util
-      nix-util-c
-      nix-store
-      nix-store-c
-      nix-fetchers
-      nix-expr
-      nix-expr-c
-      nix-flake
-      nix-flake-c
-      nix-main
-      nix-main-c
-      nix-cmd
-    ;
-  } // lib.optionalAttrs (!stdenv.hostPlatform.isStatic && stdenv.buildPlatform.canExecute stdenv.hostPlatform) {
-    # Currently fails in static build
-    inherit
-      nix-perl-bindings
-    ;
-  };
+  libs =
+    {
+      inherit
+        nix-util
+        nix-util-c
+        nix-store
+        nix-store-c
+        nix-fetchers
+        nix-expr
+        nix-expr-c
+        nix-flake
+        nix-flake-c
+        nix-main
+        nix-main-c
+        nix-cmd
+        ;
+    }
+    // lib.optionalAttrs
+      (!stdenv.hostPlatform.isStatic && stdenv.buildPlatform.canExecute stdenv.hostPlatform)
+      {
+        # Currently fails in static build
+        inherit
+          nix-perl-bindings
+          ;
+      };
 
   dev = stdenv.mkDerivation (finalAttrs: {
     name = "nix-${nix-cli.version}-dev";
@@ -77,10 +81,9 @@ let
     '';
     passthru = {
       tests = {
-        pkg-config =
-          testers.hasPkgConfigModules {
-            package = finalAttrs.finalPackage;
-          };
+        pkg-config = testers.hasPkgConfigModules {
+          package = finalAttrs.finalPackage;
+        };
       };
 
       # If we were to fully emulate output selection here, we'd confuse the Nix CLIs,
@@ -123,70 +126,84 @@ in
   ];
 
   meta.mainProgram = "nix";
-}).overrideAttrs (finalAttrs: prevAttrs: {
-  doCheck = true;
-  doInstallCheck = true;
+}).overrideAttrs
+  (
+    finalAttrs: prevAttrs: {
+      doCheck = true;
+      doInstallCheck = true;
 
-  checkInputs = [
-    # Make sure the unit tests have passed
-    nix-util-tests.tests.run
-    nix-store-tests.tests.run
-    nix-expr-tests.tests.run
-    nix-fetchers-tests.tests.run
-    nix-flake-tests.tests.run
+      checkInputs =
+        [
+          # Make sure the unit tests have passed
+          nix-util-tests.tests.run
+          nix-store-tests.tests.run
+          nix-expr-tests.tests.run
+          nix-fetchers-tests.tests.run
+          nix-flake-tests.tests.run
 
-    # Make sure the functional tests have passed
-    nix-functional-tests
+          # Make sure the functional tests have passed
+          nix-functional-tests
 
-    # dev bundle is ok
-    # (checkInputs must be empty paths??)
-    (runCommand "check-pkg-config" { checked = dev.tests.pkg-config; } "mkdir $out")
-  ] ++ lib.optionals (!stdenv.hostPlatform.isStatic && stdenv.buildPlatform.canExecute stdenv.hostPlatform) [
-    # Perl currently fails in static build
-    # TODO: Split out tests into a separate derivation?
-    nix-perl-bindings
-  ];
-  passthru = prevAttrs.passthru // {
-    inherit (nix-cli) version;
+          # dev bundle is ok
+          # (checkInputs must be empty paths??)
+          (runCommand "check-pkg-config" { checked = dev.tests.pkg-config; } "mkdir $out")
+        ]
+        ++ lib.optionals
+          (!stdenv.hostPlatform.isStatic && stdenv.buildPlatform.canExecute stdenv.hostPlatform)
+          [
+            # Perl currently fails in static build
+            # TODO: Split out tests into a separate derivation?
+            nix-perl-bindings
+          ];
+      passthru = prevAttrs.passthru // {
+        inherit (nix-cli) version;
 
-    /**
-      These are the libraries that are part of the Nix project. They are used
-      by the Nix CLI and other tools.
+        /**
+          These are the libraries that are part of the Nix project. They are used
+          by the Nix CLI and other tools.
 
-      If you need to use these libraries in your project, we recommend to use
-      the `-c` C API libraries exclusively, if possible.
+          If you need to use these libraries in your project, we recommend to use
+          the `-c` C API libraries exclusively, if possible.
 
-      We also recommend that you build the complete package to ensure that the unit tests pass.
-      You could do this in CI, or by passing it in an unused environment variable. e.g in a `mkDerivation` call:
+          We also recommend that you build the complete package to ensure that the unit tests pass.
+          You could do this in CI, or by passing it in an unused environment variable. e.g in a `mkDerivation` call:
 
-      ```nix
-        buildInputs = [ nix.libs.nix-util-c nix.libs.nix-store-c ];
-        # Make sure the nix libs we use are ok
-        unusedInputsForTests = [ nix ];
-        disallowedReferences = nix.all;
-      ```
-     */
-    inherit libs;
+          ```nix
+            buildInputs = [ nix.libs.nix-util-c nix.libs.nix-store-c ];
+            # Make sure the nix libs we use are ok
+            unusedInputsForTests = [ nix ];
+            disallowedReferences = nix.all;
+          ```
+        */
+        inherit libs;
 
-    tests = prevAttrs.passthru.tests or {} // {
-      # TODO: create a proper fixpoint and:
-      # pkg-config =
-      #   testers.hasPkgConfigModules {
-      #     package = finalPackage;
-      #   };
-    };
+        tests = prevAttrs.passthru.tests or { } // {
+          # TODO: create a proper fixpoint and:
+          # pkg-config =
+          #   testers.hasPkgConfigModules {
+          #     package = finalPackage;
+          #   };
+        };
 
-    /**
-      A derivation referencing the `dev` outputs of the Nix libraries.
-     */
-    inherit dev;
-    inherit devdoc;
-    doc = nix-manual;
-    outputs = [ "out" "dev" "devdoc" "doc" ];
-    all = lib.attrValues (lib.genAttrs finalAttrs.passthru.outputs (outName: finalAttrs.finalPackage.${outName}));
-  };
-  meta = prevAttrs.meta // {
-    description = "The Nix package manager";
-    pkgConfigModules = dev.meta.pkgConfigModules;
-  };
-})
+        /**
+          A derivation referencing the `dev` outputs of the Nix libraries.
+        */
+        inherit dev;
+        inherit devdoc;
+        doc = nix-manual;
+        outputs = [
+          "out"
+          "dev"
+          "devdoc"
+          "doc"
+        ];
+        all = lib.attrValues (
+          lib.genAttrs finalAttrs.passthru.outputs (outName: finalAttrs.finalPackage.${outName})
+        );
+      };
+      meta = prevAttrs.meta // {
+        description = "The Nix package manager";
+        pkgConfigModules = dev.meta.pkgConfigModules;
+      };
+    }
+  )
diff --git a/pkgs/tools/package-management/nix/2_26/src/external-api-docs/package.nix b/pkgs/tools/package-management/nix/2_26/src/external-api-docs/package.nix
index 57c5138cfdb4..b194e16d4608 100644
--- a/pkgs/tools/package-management/nix/2_26/src/external-api-docs/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/external-api-docs/package.nix
@@ -1,11 +1,12 @@
-{ lib
-, mkMesonDerivation
+{
+  lib,
+  mkMesonDerivation,
 
-, doxygen
+  doxygen,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
@@ -39,11 +40,10 @@ mkMesonDerivation (finalAttrs: {
     doxygen
   ];
 
-  preConfigure =
-    ''
-      chmod u+w ./.version
-      echo ${finalAttrs.version} > ./.version
-    '';
+  preConfigure = ''
+    chmod u+w ./.version
+    echo ${finalAttrs.version} > ./.version
+  '';
 
   postInstall = ''
     mkdir -p ''${!outputDoc}/nix-support
diff --git a/pkgs/tools/package-management/nix/2_26/src/internal-api-docs/package.nix b/pkgs/tools/package-management/nix/2_26/src/internal-api-docs/package.nix
index 993a257a69f3..6c4f354aee5c 100644
--- a/pkgs/tools/package-management/nix/2_26/src/internal-api-docs/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/internal-api-docs/package.nix
@@ -1,11 +1,12 @@
-{ lib
-, mkMesonDerivation
+{
+  lib,
+  mkMesonDerivation,
 
-, doxygen
+  doxygen,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
@@ -17,27 +18,28 @@ mkMesonDerivation (finalAttrs: {
   inherit version;
 
   workDir = ./.;
-  fileset = let
-    cpp = fileset.fileFilter (file: file.hasExt "cc" || file.hasExt "hh");
-  in fileset.unions [
-    ./.version
-    ../../.version
-    ./meson.build
-    ./doxygen.cfg.in
-    # Source is not compiled, but still must be available for Doxygen
-    # to gather comments.
-    (cpp ../.)
-  ];
+  fileset =
+    let
+      cpp = fileset.fileFilter (file: file.hasExt "cc" || file.hasExt "hh");
+    in
+    fileset.unions [
+      ./.version
+      ../../.version
+      ./meson.build
+      ./doxygen.cfg.in
+      # Source is not compiled, but still must be available for Doxygen
+      # to gather comments.
+      (cpp ../.)
+    ];
 
   nativeBuildInputs = [
     doxygen
   ];
 
-  preConfigure =
-    ''
-      chmod u+w ./.version
-      echo ${finalAttrs.version} > ./.version
-    '';
+  preConfigure = ''
+    chmod u+w ./.version
+    echo ${finalAttrs.version} > ./.version
+  '';
 
   postInstall = ''
     mkdir -p ''${!outputDoc}/nix-support
diff --git a/pkgs/tools/package-management/nix/2_26/src/libcmd/package.nix b/pkgs/tools/package-management/nix/2_26/src/libcmd/package.nix
index 5cafb4dc100c..d155d9f1e620 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libcmd/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libcmd/package.nix
@@ -1,32 +1,33 @@
-{ lib
-, stdenv
-, mkMesonLibrary
+{
+  lib,
+  stdenv,
+  mkMesonLibrary,
 
-, nix-util
-, nix-store
-, nix-fetchers
-, nix-expr
-, nix-flake
-, nix-main
-, editline
-, readline
-, lowdown
-, nlohmann_json
+  nix-util,
+  nix-store,
+  nix-fetchers,
+  nix-expr,
+  nix-flake,
+  nix-main,
+  editline,
+  readline,
+  lowdown,
+  nlohmann_json,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 
-# Whether to enable Markdown rendering in the Nix binary.
-, enableMarkdown ? !stdenv.hostPlatform.isWindows
+  # Whether to enable Markdown rendering in the Nix binary.
+  enableMarkdown ? !stdenv.hostPlatform.isWindows,
 
-# Which interactive line editor library to use for Nix's repl.
-#
-# Currently supported choices are:
-#
-# - editline (default)
-# - readline
-, readlineFlavor ? if stdenv.hostPlatform.isWindows then "readline" else "editline"
+  # Which interactive line editor library to use for Nix's repl.
+  #
+  # Currently supported choices are:
+  #
+  # - editline (default)
+  # - readline
+  readlineFlavor ? if stdenv.hostPlatform.isWindows then "readline" else "editline",
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libexpr-c/package.nix b/pkgs/tools/package-management/nix/2_26/src/libexpr-c/package.nix
index 5047f3e2e9ab..ad1ea371c2d7 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libexpr-c/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libexpr-c/package.nix
@@ -1,12 +1,13 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-store-c
-, nix-expr
+  nix-store-c,
+  nix-expr,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libexpr-test-support/package.nix b/pkgs/tools/package-management/nix/2_26/src/libexpr-test-support/package.nix
index 48118fa0c758..5628d606a452 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libexpr-test-support/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libexpr-test-support/package.nix
@@ -1,15 +1,16 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-store-test-support
-, nix-expr
-, nix-expr-c
+  nix-store-test-support,
+  nix-expr,
+  nix-expr-c,
 
-, rapidcheck
+  rapidcheck,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libexpr-tests/package.nix b/pkgs/tools/package-management/nix/2_26/src/libexpr-tests/package.nix
index a4a3bb0e7ecd..bb5acb7c873d 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libexpr-tests/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libexpr-tests/package.nix
@@ -1,20 +1,21 @@
-{ lib
-, buildPackages
-, stdenv
-, mkMesonExecutable
+{
+  lib,
+  buildPackages,
+  stdenv,
+  mkMesonExecutable,
 
-, nix-expr
-, nix-expr-c
-, nix-expr-test-support
+  nix-expr,
+  nix-expr-c,
+  nix-expr-test-support,
 
-, rapidcheck
-, gtest
-, runCommand
+  rapidcheck,
+  gtest,
+  runCommand,
 
-# Configuration Options
+  # Configuration Options
 
-, version
-, resolvePath
+  version,
+  resolvePath,
 }:
 
 let
@@ -58,16 +59,22 @@ mkMesonExecutable (finalAttrs: {
 
   passthru = {
     tests = {
-      run = runCommand "${finalAttrs.pname}-run" {
-        meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
-      } (lib.optionalString stdenv.hostPlatform.isWindows ''
-        export HOME="$PWD/home-dir"
-        mkdir -p "$HOME"
-      '' + ''
-        export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
-        ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
-        touch $out
-      '');
+      run =
+        runCommand "${finalAttrs.pname}-run"
+          {
+            meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
+          }
+          (
+            lib.optionalString stdenv.hostPlatform.isWindows ''
+              export HOME="$PWD/home-dir"
+              mkdir -p "$HOME"
+            ''
+            + ''
+              export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
+              ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
+              touch $out
+            ''
+          );
     };
   };
 
diff --git a/pkgs/tools/package-management/nix/2_26/src/libexpr/package.nix b/pkgs/tools/package-management/nix/2_26/src/libexpr/package.nix
index 3d5b78e35f2d..afd01c3846e9 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libexpr/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libexpr/package.nix
@@ -1,33 +1,34 @@
-{ lib
-, stdenv
-, mkMesonLibrary
+{
+  lib,
+  stdenv,
+  mkMesonLibrary,
 
-, bison
-, flex
-, cmake # for resolving toml11 dep
+  bison,
+  flex,
+  cmake, # for resolving toml11 dep
 
-, nix-util
-, nix-store
-, nix-fetchers
-, boost
-, boehmgc
-, nlohmann_json
-, toml11
+  nix-util,
+  nix-store,
+  nix-fetchers,
+  boost,
+  boehmgc,
+  nlohmann_json,
+  toml11,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 
-# Whether to use garbage collection for the Nix language evaluator.
-#
-# If it is disabled, we just leak memory, but this is not as bad as it
-# sounds so long as evaluation just takes places within short-lived
-# processes. (When the process exits, the memory is reclaimed; it is
-# only leaked *within* the process.)
-#
-# Temporarily disabled on Windows because the `GC_throw_bad_alloc`
-# symbol is missing during linking.
-, enableGC ? !stdenv.hostPlatform.isWindows
+  # Whether to use garbage collection for the Nix language evaluator.
+  #
+  # If it is disabled, we just leak memory, but this is not as bad as it
+  # sounds so long as evaluation just takes places within short-lived
+  # processes. (When the process exits, the memory is reclaimed; it is
+  # only leaked *within* the process.)
+  #
+  # Temporarily disabled on Windows because the `GC_throw_bad_alloc`
+  # symbol is missing during linking.
+  enableGC ? !stdenv.hostPlatform.isWindows,
 }:
 
 let
@@ -51,10 +52,7 @@ mkMesonLibrary (finalAttrs: {
     (fileset.fileFilter (file: file.hasExt "hh") ./.)
     ./lexer.l
     ./parser.y
-    (fileset.difference
-      (fileset.fileFilter (file: file.hasExt "nix") ./.)
-      ./package.nix
-    )
+    (fileset.difference (fileset.fileFilter (file: file.hasExt "nix") ./.) ./package.nix)
   ];
 
   nativeBuildInputs = [
diff --git a/pkgs/tools/package-management/nix/2_26/src/libfetchers-tests/package.nix b/pkgs/tools/package-management/nix/2_26/src/libfetchers-tests/package.nix
index 5336672a2221..f2680e9b3c1f 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libfetchers-tests/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libfetchers-tests/package.nix
@@ -1,19 +1,20 @@
-{ lib
-, buildPackages
-, stdenv
-, mkMesonExecutable
+{
+  lib,
+  buildPackages,
+  stdenv,
+  mkMesonExecutable,
 
-, nix-fetchers
-, nix-store-test-support
+  nix-fetchers,
+  nix-store-test-support,
 
-, rapidcheck
-, gtest
-, runCommand
+  rapidcheck,
+  gtest,
+  runCommand,
 
-# Configuration Options
+  # Configuration Options
 
-, version
-, resolvePath
+  version,
+  resolvePath,
 }:
 
 let
@@ -56,16 +57,22 @@ mkMesonExecutable (finalAttrs: {
 
   passthru = {
     tests = {
-      run = runCommand "${finalAttrs.pname}-run" {
-        meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
-      } (lib.optionalString stdenv.hostPlatform.isWindows ''
-        export HOME="$PWD/home-dir"
-        mkdir -p "$HOME"
-      '' + ''
-        export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
-        ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
-        touch $out
-      '');
+      run =
+        runCommand "${finalAttrs.pname}-run"
+          {
+            meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
+          }
+          (
+            lib.optionalString stdenv.hostPlatform.isWindows ''
+              export HOME="$PWD/home-dir"
+              mkdir -p "$HOME"
+            ''
+            + ''
+              export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
+              ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
+              touch $out
+            ''
+          );
     };
   };
 
diff --git a/pkgs/tools/package-management/nix/2_26/src/libfetchers/package.nix b/pkgs/tools/package-management/nix/2_26/src/libfetchers/package.nix
index d4ca18555031..b0aecd04979e 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libfetchers/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libfetchers/package.nix
@@ -1,14 +1,15 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-util
-, nix-store
-, nlohmann_json
-, libgit2
+  nix-util,
+  nix-store,
+  nlohmann_json,
+  libgit2,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libflake-c/package.nix b/pkgs/tools/package-management/nix/2_26/src/libflake-c/package.nix
index dcd6c4966097..f0615a42798e 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libflake-c/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libflake-c/package.nix
@@ -1,13 +1,14 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-store-c
-, nix-expr-c
-, nix-flake
+  nix-store-c,
+  nix-expr-c,
+  nix-flake,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libflake-tests/package.nix b/pkgs/tools/package-management/nix/2_26/src/libflake-tests/package.nix
index 51b68ad581ff..f9d9b0bc0c6b 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libflake-tests/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libflake-tests/package.nix
@@ -1,20 +1,21 @@
-{ lib
-, buildPackages
-, stdenv
-, mkMesonExecutable
+{
+  lib,
+  buildPackages,
+  stdenv,
+  mkMesonExecutable,
 
-, nix-flake
-, nix-flake-c
-, nix-expr-test-support
+  nix-flake,
+  nix-flake-c,
+  nix-expr-test-support,
 
-, rapidcheck
-, gtest
-, runCommand
+  rapidcheck,
+  gtest,
+  runCommand,
 
-# Configuration Options
+  # Configuration Options
 
-, version
-, resolvePath
+  version,
+  resolvePath,
 }:
 
 let
@@ -58,17 +59,23 @@ mkMesonExecutable (finalAttrs: {
 
   passthru = {
     tests = {
-      run = runCommand "${finalAttrs.pname}-run" {
-        meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
-      } (lib.optionalString stdenv.hostPlatform.isWindows ''
-        export HOME="$PWD/home-dir"
-        mkdir -p "$HOME"
-      '' + ''
-        export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
-        export NIX_CONFIG="extra-experimental-features = flakes"
-        ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
-        touch $out
-      '');
+      run =
+        runCommand "${finalAttrs.pname}-run"
+          {
+            meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
+          }
+          (
+            lib.optionalString stdenv.hostPlatform.isWindows ''
+              export HOME="$PWD/home-dir"
+              mkdir -p "$HOME"
+            ''
+            + ''
+              export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
+              export NIX_CONFIG="extra-experimental-features = flakes"
+              ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
+              touch $out
+            ''
+          );
     };
   };
 
diff --git a/pkgs/tools/package-management/nix/2_26/src/libflake/package.nix b/pkgs/tools/package-management/nix/2_26/src/libflake/package.nix
index 3fc96a20e58c..ebd38e140d30 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libflake/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libflake/package.nix
@@ -1,15 +1,16 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-util
-, nix-store
-, nix-fetchers
-, nix-expr
-, nlohmann_json
+  nix-util,
+  nix-store,
+  nix-fetchers,
+  nix-expr,
+  nlohmann_json,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libmain-c/package.nix b/pkgs/tools/package-management/nix/2_26/src/libmain-c/package.nix
index b96901bb46bb..cf710e03b0d0 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libmain-c/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libmain-c/package.nix
@@ -1,14 +1,15 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-util-c
-, nix-store
-, nix-store-c
-, nix-main
+  nix-util-c,
+  nix-store,
+  nix-store-c,
+  nix-main,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libmain/package.nix b/pkgs/tools/package-management/nix/2_26/src/libmain/package.nix
index 9a5b9e8c2df0..046b505dfd46 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libmain/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libmain/package.nix
@@ -1,14 +1,15 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, openssl
+  openssl,
 
-, nix-util
-, nix-store
+  nix-util,
+  nix-store,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libstore-c/package.nix b/pkgs/tools/package-management/nix/2_26/src/libstore-c/package.nix
index c2413c3890d1..89abeaab8706 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libstore-c/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libstore-c/package.nix
@@ -1,12 +1,13 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-util-c
-, nix-store
+  nix-util-c,
+  nix-store,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libstore-test-support/package.nix b/pkgs/tools/package-management/nix/2_26/src/libstore-test-support/package.nix
index 5d3f41b3e8b9..7cc29795c190 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libstore-test-support/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libstore-test-support/package.nix
@@ -1,15 +1,16 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-util-test-support
-, nix-store
-, nix-store-c
+  nix-util-test-support,
+  nix-store,
+  nix-store-c,
 
-, rapidcheck
+  rapidcheck,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libstore-tests/package.nix b/pkgs/tools/package-management/nix/2_26/src/libstore-tests/package.nix
index 3acf4e25c2cc..670386c4a6ff 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libstore-tests/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libstore-tests/package.nix
@@ -1,21 +1,22 @@
-{ lib
-, buildPackages
-, stdenv
-, mkMesonExecutable
+{
+  lib,
+  buildPackages,
+  stdenv,
+  mkMesonExecutable,
 
-, nix-store
-, nix-store-c
-, nix-store-test-support
-, sqlite
+  nix-store,
+  nix-store-c,
+  nix-store-test-support,
+  sqlite,
 
-, rapidcheck
-, gtest
-, runCommand
+  rapidcheck,
+  gtest,
+  runCommand,
 
-# Configuration Options
+  # Configuration Options
 
-, version
-, filesetToSource
+  version,
+  filesetToSource,
 }:
 
 let
@@ -64,26 +65,33 @@ mkMesonExecutable (finalAttrs: {
 
   passthru = {
     tests = {
-      run = let
-        # Some data is shared with the functional tests: they create it,
-        # we consume it.
-        data = filesetToSource {
-          root = ../..;
-          fileset = lib.fileset.unions [
-            ./data
-            ../../tests/functional/derivation
-          ];
-        };
-      in runCommand "${finalAttrs.pname}-run" {
-        meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
-      } (lib.optionalString stdenv.hostPlatform.isWindows ''
-        export HOME="$PWD/home-dir"
-        mkdir -p "$HOME"
-      '' + ''
-        export _NIX_TEST_UNIT_DATA=${data + "/src/libstore-tests/data"}
-        ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
-        touch $out
-      '');
+      run =
+        let
+          # Some data is shared with the functional tests: they create it,
+          # we consume it.
+          data = filesetToSource {
+            root = ../..;
+            fileset = lib.fileset.unions [
+              ./data
+              ../../tests/functional/derivation
+            ];
+          };
+        in
+        runCommand "${finalAttrs.pname}-run"
+          {
+            meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
+          }
+          (
+            lib.optionalString stdenv.hostPlatform.isWindows ''
+              export HOME="$PWD/home-dir"
+              mkdir -p "$HOME"
+            ''
+            + ''
+              export _NIX_TEST_UNIT_DATA=${data + "/src/libstore-tests/data"}
+              ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
+              touch $out
+            ''
+          );
     };
   };
 
diff --git a/pkgs/tools/package-management/nix/2_26/src/libstore/package.nix b/pkgs/tools/package-management/nix/2_26/src/libstore/package.nix
index 4fbaea4acc57..c982b44f0b73 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libstore/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libstore/package.nix
@@ -1,25 +1,26 @@
-{ lib
-, stdenv
-, mkMesonLibrary
+{
+  lib,
+  stdenv,
+  mkMesonLibrary,
 
-, unixtools
-, darwin
+  unixtools,
+  darwin,
 
-, nix-util
-, boost
-, curl
-, aws-sdk-cpp
-, libseccomp
-, nlohmann_json
-, sqlite
+  nix-util,
+  boost,
+  curl,
+  aws-sdk-cpp,
+  libseccomp,
+  nlohmann_json,
+  sqlite,
 
-, busybox-sandbox-shell ? null
+  busybox-sandbox-shell ? null,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 
-, embeddedSandboxShell ? stdenv.hostPlatform.isStatic
+  embeddedSandboxShell ? stdenv.hostPlatform.isStatic,
 }:
 
 let
@@ -48,19 +49,20 @@ mkMesonLibrary (finalAttrs: {
     (fileset.fileFilter (file: file.hasExt "sql") ./.)
   ];
 
-  nativeBuildInputs =
-    lib.optional embeddedSandboxShell unixtools.hexdump;
+  nativeBuildInputs = lib.optional embeddedSandboxShell unixtools.hexdump;
 
-  buildInputs = [
-    boost
-    curl
-    sqlite
-  ] ++ lib.optional stdenv.hostPlatform.isLinux libseccomp
+  buildInputs =
+    [
+      boost
+      curl
+      sqlite
+    ]
+    ++ lib.optional stdenv.hostPlatform.isLinux libseccomp
     # There have been issues building these dependencies
     ++ lib.optional stdenv.hostPlatform.isDarwin darwin.apple_sdk.libs.sandbox
-    ++ lib.optional (stdenv.hostPlatform == stdenv.buildPlatform && (stdenv.isLinux || stdenv.isDarwin))
-      aws-sdk-cpp
-  ;
+    ++ lib.optional (
+      stdenv.hostPlatform == stdenv.buildPlatform && (stdenv.isLinux || stdenv.isDarwin)
+    ) aws-sdk-cpp;
 
   propagatedBuildInputs = [
     nix-util
@@ -75,12 +77,14 @@ mkMesonLibrary (finalAttrs: {
       echo ${version} > ../../.version
     '';
 
-  mesonFlags = [
-    (lib.mesonEnable "seccomp-sandboxing" stdenv.hostPlatform.isLinux)
-    (lib.mesonBool "embedded-sandbox-shell" embeddedSandboxShell)
-  ] ++ lib.optionals stdenv.hostPlatform.isLinux [
-    (lib.mesonOption "sandbox-shell" "${busybox-sandbox-shell}/bin/busybox")
-  ];
+  mesonFlags =
+    [
+      (lib.mesonEnable "seccomp-sandboxing" stdenv.hostPlatform.isLinux)
+      (lib.mesonBool "embedded-sandbox-shell" embeddedSandboxShell)
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isLinux [
+      (lib.mesonOption "sandbox-shell" "${busybox-sandbox-shell}/bin/busybox")
+    ];
 
   env = {
     # Needed for Meson to find Boost.
diff --git a/pkgs/tools/package-management/nix/2_26/src/libutil-c/package.nix b/pkgs/tools/package-management/nix/2_26/src/libutil-c/package.nix
index f80e0b7f0a2a..72f57d6f9c62 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libutil-c/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libutil-c/package.nix
@@ -1,11 +1,12 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-util
+  nix-util,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libutil-test-support/package.nix b/pkgs/tools/package-management/nix/2_26/src/libutil-test-support/package.nix
index a8a239717a68..33cd5217defa 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libutil-test-support/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libutil-test-support/package.nix
@@ -1,14 +1,15 @@
-{ lib
-, mkMesonLibrary
+{
+  lib,
+  mkMesonLibrary,
 
-, nix-util
-, nix-util-c
+  nix-util,
+  nix-util-c,
 
-, rapidcheck
+  rapidcheck,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
diff --git a/pkgs/tools/package-management/nix/2_26/src/libutil-tests/package.nix b/pkgs/tools/package-management/nix/2_26/src/libutil-tests/package.nix
index e5805ec3968e..d4eea3a8dc26 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libutil-tests/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libutil-tests/package.nix
@@ -1,20 +1,21 @@
-{ lib
-, buildPackages
-, stdenv
-, mkMesonExecutable
+{
+  lib,
+  buildPackages,
+  stdenv,
+  mkMesonExecutable,
 
-, nix-util
-, nix-util-c
-, nix-util-test-support
+  nix-util,
+  nix-util-c,
+  nix-util-test-support,
 
-, rapidcheck
-, gtest
-, runCommand
+  rapidcheck,
+  gtest,
+  runCommand,
 
-# Configuration Options
+  # Configuration Options
 
-, version
-, resolvePath
+  version,
+  resolvePath,
 }:
 
 let
@@ -58,16 +59,22 @@ mkMesonExecutable (finalAttrs: {
 
   passthru = {
     tests = {
-      run = runCommand "${finalAttrs.pname}-run" {
-        meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
-      } (lib.optionalString stdenv.hostPlatform.isWindows ''
-        export HOME="$PWD/home-dir"
-        mkdir -p "$HOME"
-      '' + ''
-        export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
-        ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
-        touch $out
-      '');
+      run =
+        runCommand "${finalAttrs.pname}-run"
+          {
+            meta.broken = !stdenv.hostPlatform.emulatorAvailable buildPackages;
+          }
+          (
+            lib.optionalString stdenv.hostPlatform.isWindows ''
+              export HOME="$PWD/home-dir"
+              mkdir -p "$HOME"
+            ''
+            + ''
+              export _NIX_TEST_UNIT_DATA=${resolvePath ./data}
+              ${stdenv.hostPlatform.emulator buildPackages} ${lib.getExe finalAttrs.finalPackage}
+              touch $out
+            ''
+          );
     };
   };
 
diff --git a/pkgs/tools/package-management/nix/2_26/src/libutil/package.nix b/pkgs/tools/package-management/nix/2_26/src/libutil/package.nix
index 679872a75c59..586119a6e5d5 100644
--- a/pkgs/tools/package-management/nix/2_26/src/libutil/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/libutil/package.nix
@@ -1,18 +1,19 @@
-{ lib
-, stdenv
-, mkMesonLibrary
+{
+  lib,
+  stdenv,
+  mkMesonLibrary,
 
-, boost
-, brotli
-, libarchive
-, libcpuid
-, libsodium
-, nlohmann_json
-, openssl
+  boost,
+  brotli,
+  libarchive,
+  libcpuid,
+  libsodium,
+  nlohmann_json,
+  openssl,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
@@ -43,8 +44,7 @@ mkMesonLibrary (finalAttrs: {
     brotli
     libsodium
     openssl
-  ] ++ lib.optional stdenv.hostPlatform.isx86_64 libcpuid
-  ;
+  ] ++ lib.optional stdenv.hostPlatform.isx86_64 libcpuid;
 
   propagatedBuildInputs = [
     boost
diff --git a/pkgs/tools/package-management/nix/2_26/src/nix/package.nix b/pkgs/tools/package-management/nix/2_26/src/nix/package.nix
index 171621af9176..89c52c3bb050 100644
--- a/pkgs/tools/package-management/nix/2_26/src/nix/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/nix/package.nix
@@ -1,14 +1,15 @@
-{ lib
-, mkMesonExecutable
+{
+  lib,
+  mkMesonExecutable,
 
-, nix-store
-, nix-expr
-, nix-main
-, nix-cmd
+  nix-store,
+  nix-expr,
+  nix-main,
+  nix-cmd,
 
-# Configuration Options
+  # Configuration Options
 
-, version
+  version,
 }:
 
 let
@@ -20,64 +21,67 @@ mkMesonExecutable (finalAttrs: {
   inherit version;
 
   workDir = ./.;
-  fileset = fileset.unions ([
-    ../../nix-meson-build-support
-    ./nix-meson-build-support
-    ../../.version
-    ./.version
-    ./meson.build
-    ./meson.options
-
-    # Symbolic links to other dirs
-    ## exes
-    ./build-remote
-    ./doc
-    ./nix-build
-    ./nix-channel
-    ./nix-collect-garbage
-    ./nix-copy-closure
-    ./nix-env
-    ./nix-instantiate
-    ./nix-store
-    ## dirs
-    ./scripts
-    ../../scripts
-    ./misc
-    ../../misc
-
-    # Doc nix files for --help
-    ../../doc/manual/generate-manpage.nix
-    ../../doc/manual/utils.nix
-    ../../doc/manual/generate-settings.nix
-    ../../doc/manual/generate-store-info.nix
-
-    # Other files to be included as string literals
-    ../nix-channel/unpack-channel.nix
-    ../nix-env/buildenv.nix
-    ./get-env.sh
-    ./help-stores.md
-    ../../doc/manual/source/store/types/index.md.in
-    ./profiles.md
-    ../../doc/manual/source/command-ref/files/profiles.md
-
-    # Files
-  ] ++ lib.concatMap
-    (dir: [
-      (fileset.fileFilter (file: file.hasExt "cc") dir)
-      (fileset.fileFilter (file: file.hasExt "hh") dir)
-      (fileset.fileFilter (file: file.hasExt "md") dir)
-    ])
+  fileset = fileset.unions (
     [
-      ./.
-      ../build-remote
-      ../nix-build
-      ../nix-channel
-      ../nix-collect-garbage
-      ../nix-copy-closure
-      ../nix-env
-      ../nix-instantiate
-      ../nix-store
+      ../../nix-meson-build-support
+      ./nix-meson-build-support
+      ../../.version
+      ./.version
+      ./meson.build
+      ./meson.options
+
+      # Symbolic links to other dirs
+      ## exes
+      ./build-remote
+      ./doc
+      ./nix-build
+      ./nix-channel
+      ./nix-collect-garbage
+      ./nix-copy-closure
+      ./nix-env
+      ./nix-instantiate
+      ./nix-store
+      ## dirs
+      ./scripts
+      ../../scripts
+      ./misc
+      ../../misc
+
+      # Doc nix files for --help
+      ../../doc/manual/generate-manpage.nix
+      ../../doc/manual/utils.nix
+      ../../doc/manual/generate-settings.nix
+      ../../doc/manual/generate-store-info.nix
+
+      # Other files to be included as string literals
+      ../nix-channel/unpack-channel.nix
+      ../nix-env/buildenv.nix
+      ./get-env.sh
+      ./help-stores.md
+      ../../doc/manual/source/store/types/index.md.in
+      ./profiles.md
+      ../../doc/manual/source/command-ref/files/profiles.md
+
+      # Files
     ]
+    ++
+      lib.concatMap
+        (dir: [
+          (fileset.fileFilter (file: file.hasExt "cc") dir)
+          (fileset.fileFilter (file: file.hasExt "hh") dir)
+          (fileset.fileFilter (file: file.hasExt "md") dir)
+        ])
+        [
+          ./.
+          ../build-remote
+          ../nix-build
+          ../nix-channel
+          ../nix-collect-garbage
+          ../nix-copy-closure
+          ../nix-env
+          ../nix-instantiate
+          ../nix-store
+        ]
   );
 
   buildInputs = [
diff --git a/pkgs/tools/package-management/nix/2_26/src/perl/package.nix b/pkgs/tools/package-management/nix/2_26/src/perl/package.nix
index 5ee0df13c9d1..d95d13aa9213 100644
--- a/pkgs/tools/package-management/nix/2_26/src/perl/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/src/perl/package.nix
@@ -1,76 +1,82 @@
-{ lib
-, stdenv
-, mkMesonDerivation
-, pkg-config
-, perl
-, perlPackages
-, nix-store
-, version
-, curl
-, bzip2
-, libsodium
+{
+  lib,
+  stdenv,
+  mkMesonDerivation,
+  pkg-config,
+  perl,
+  perlPackages,
+  nix-store,
+  version,
+  curl,
+  bzip2,
+  libsodium,
 }:
 
 let
   inherit (lib) fileset;
 in
 
-perl.pkgs.toPerlModule (mkMesonDerivation (finalAttrs: {
-  pname = "nix-perl";
-  inherit version;
+perl.pkgs.toPerlModule (
+  mkMesonDerivation (finalAttrs: {
+    pname = "nix-perl";
+    inherit version;
 
-  workDir = ./.;
-  fileset = fileset.unions ([
-    ./.version
-    ../../.version
-    ./MANIFEST
-    ./lib
-    ./meson.build
-    ./meson.options
-  ] ++ lib.optionals finalAttrs.doCheck [
-    ./.yath.rc.in
-    ./t
-  ]);
+    workDir = ./.;
+    fileset = fileset.unions (
+      [
+        ./.version
+        ../../.version
+        ./MANIFEST
+        ./lib
+        ./meson.build
+        ./meson.options
+      ]
+      ++ lib.optionals finalAttrs.doCheck [
+        ./.yath.rc.in
+        ./t
+      ]
+    );
 
-  nativeBuildInputs = [
-    pkg-config
-    perl
-    curl
-  ];
+    nativeBuildInputs = [
+      pkg-config
+      perl
+      curl
+    ];
 
-  buildInputs = [
-    nix-store
-  ] ++ finalAttrs.passthru.externalBuildInputs;
+    buildInputs = [
+      nix-store
+    ] ++ finalAttrs.passthru.externalBuildInputs;
 
-  # Hack for sake of the dev shell
-  passthru.externalBuildInputs = [
-    bzip2
-    libsodium
-  ];
+    # Hack for sake of the dev shell
+    passthru.externalBuildInputs = [
+      bzip2
+      libsodium
+    ];
 
-  # `perlPackages.Test2Harness` is marked broken for Darwin
-  doCheck = !stdenv.isDarwin;
+    # `perlPackages.Test2Harness` is marked broken for Darwin
+    doCheck = !stdenv.isDarwin;
 
-  nativeCheckInputs = [
-    perlPackages.Test2Harness
-  ];
+    nativeCheckInputs = [
+      perlPackages.Test2Harness
+    ];
 
-  preConfigure =
-    # "Inline" .version so its not a symlink, and includes the suffix
-    ''
-      chmod u+w .version
-      echo ${finalAttrs.version} > .version
-    '';
+    preConfigure =
+      # "Inline" .version so its not a symlink, and includes the suffix
+      ''
+        chmod u+w .version
+        echo ${finalAttrs.version} > .version
+      '';
 
-  mesonFlags = [
-    (lib.mesonOption "dbi_path" "${perlPackages.DBI}/${perl.libPrefix}")
-    (lib.mesonOption "dbd_sqlite_path" "${perlPackages.DBDSQLite}/${perl.libPrefix}")
-    (lib.mesonEnable "tests" finalAttrs.doCheck)
-  ];
+    mesonFlags = [
+      (lib.mesonOption "dbi_path" "${perlPackages.DBI}/${perl.libPrefix}")
+      (lib.mesonOption "dbd_sqlite_path" "${perlPackages.DBDSQLite}/${perl.libPrefix}")
+      (lib.mesonEnable "tests" finalAttrs.doCheck)
+    ];
 
-  mesonCheckFlags = [
-    "--print-errorlogs"
-  ];
+    mesonCheckFlags = [
+      "--print-errorlogs"
+    ];
 
-  strictDeps = false;
-}))
+    strictDeps = false;
+  })
+)
diff --git a/pkgs/tools/package-management/nix/2_26/tests/functional/package.nix b/pkgs/tools/package-management/nix/2_26/tests/functional/package.nix
index d1582b05d145..74c034196fde 100644
--- a/pkgs/tools/package-management/nix/2_26/tests/functional/package.nix
+++ b/pkgs/tools/package-management/nix/2_26/tests/functional/package.nix
@@ -1,103 +1,110 @@
-{ lib
-, stdenv
-, mkMesonDerivation
+{
+  lib,
+  stdenv,
+  mkMesonDerivation,
 
-, meson
-, ninja
-, pkg-config
+  meson,
+  ninja,
+  pkg-config,
 
-, jq
-, git
-, mercurial
-, util-linux
+  jq,
+  git,
+  mercurial,
+  util-linux,
 
-, nix-store
-, nix-expr
-, nix-cli
+  nix-store,
+  nix-expr,
+  nix-cli,
 
-, busybox-sandbox-shell ? null
+  busybox-sandbox-shell ? null,
 
-# Configuration Options
+  # Configuration Options
 
-, pname ? "nix-functional-tests"
-, version
+  pname ? "nix-functional-tests",
+  version,
 
-# For running the functional tests against a different pre-built Nix.
-, test-daemon ? null
+  # For running the functional tests against a different pre-built Nix.
+  test-daemon ? null,
 }:
 
 let
   inherit (lib) fileset;
 in
 
-mkMesonDerivation (finalAttrs: {
-  inherit pname version;
+mkMesonDerivation (
+  finalAttrs:
+  {
+    inherit pname version;
 
-  workDir = ./.;
-  fileset = fileset.unions [
-    ../../scripts/nix-profile.sh.in
-    ../../.version
-    ../../tests/functional
-    ./.
-  ];
+    workDir = ./.;
+    fileset = fileset.unions [
+      ../../scripts/nix-profile.sh.in
+      ../../.version
+      ../../tests/functional
+      ./.
+    ];
 
-  # Hack for sake of the dev shell
-  passthru.externalNativeBuildInputs = [
-    meson
-    ninja
-    pkg-config
+    # Hack for sake of the dev shell
+    passthru.externalNativeBuildInputs =
+      [
+        meson
+        ninja
+        pkg-config
 
-    jq
-    git
-    mercurial
-  ] ++ lib.optionals stdenv.hostPlatform.isLinux [
-    # For various sandboxing tests that needs a statically-linked shell,
-    # etc.
-    busybox-sandbox-shell
-    # For Overlay FS tests need `mount`, `umount`, and `unshare`.
-    # For `script` command (ensuring a TTY)
-    # TODO use `unixtools` to be precise over which executables instead?
-    util-linux
-  ];
+        jq
+        git
+        mercurial
+      ]
+      ++ lib.optionals stdenv.hostPlatform.isLinux [
+        # For various sandboxing tests that needs a statically-linked shell,
+        # etc.
+        busybox-sandbox-shell
+        # For Overlay FS tests need `mount`, `umount`, and `unshare`.
+        # For `script` command (ensuring a TTY)
+        # TODO use `unixtools` to be precise over which executables instead?
+        util-linux
+      ];
 
-  nativeBuildInputs = finalAttrs.passthru.externalNativeBuildInputs ++ [
-    nix-cli
-  ];
+    nativeBuildInputs = finalAttrs.passthru.externalNativeBuildInputs ++ [
+      nix-cli
+    ];
 
-  buildInputs = [
-    nix-store
-    nix-expr
-  ];
+    buildInputs = [
+      nix-store
+      nix-expr
+    ];
 
-  preConfigure =
-    # "Inline" .version so it's not a symlink, and includes the suffix.
-    # Do the meson utils, without modification.
-    ''
-      chmod u+w ./.version
-      echo ${version} > ../../../.version
-    ''
-    # TEMP hack for Meson before make is gone, where
-    # `src/nix-functional-tests` is during the transition a symlink and
-    # not the actual directory directory.
-    + ''
-      cd $(readlink -e $PWD)
-      echo $PWD | grep tests/functional
+    preConfigure =
+      # "Inline" .version so it's not a symlink, and includes the suffix.
+      # Do the meson utils, without modification.
+      ''
+        chmod u+w ./.version
+        echo ${version} > ../../../.version
+      ''
+      # TEMP hack for Meson before make is gone, where
+      # `src/nix-functional-tests` is during the transition a symlink and
+      # not the actual directory directory.
+      + ''
+        cd $(readlink -e $PWD)
+        echo $PWD | grep tests/functional
+      '';
+
+    mesonCheckFlags = [
+      "--print-errorlogs"
+    ];
+
+    doCheck = true;
+
+    installPhase = ''
+      mkdir $out
     '';
 
-  mesonCheckFlags = [
-    "--print-errorlogs"
-  ];
+    meta = {
+      platforms = lib.platforms.unix;
+    };
 
-  doCheck = true;
-
-  installPhase = ''
-    mkdir $out
-  '';
-
-  meta = {
-    platforms = lib.platforms.unix;
-  };
-
-} // lib.optionalAttrs (test-daemon != null) {
-  NIX_DAEMON_PACKAGE = test-daemon;
-})
+  }
+  // lib.optionalAttrs (test-daemon != null) {
+    NIX_DAEMON_PACKAGE = test-daemon;
+  }
+)