style: Format nix

nixfmt-rfc-style for flake
nixpkgs-fmt for nix/ directory

nix/pkgs/main/cross-compilation-env.nix

@@ -4,51 +4,52 @@
 , stdenv
 }:
 
-lib.optionalAttrs stdenv.hostPlatform.isStatic {
-  ROCKSDB_STATIC = "";
-}
+lib.optionalAttrs stdenv.hostPlatform.isStatic
+  {
+    ROCKSDB_STATIC = "";
+  }
 //
 {
   CARGO_BUILD_RUSTFLAGS =
     lib.concatStringsSep
       " "
-      ([]
-        # This disables PIE for static builds, which isn't great in terms
-        # of security. Unfortunately, my hand is forced because nixpkgs'
-        # `libstdc++.a` is built without `-fPIE`, which precludes us from
-        # leaving PIE enabled.
-        ++ lib.optionals
-          stdenv.hostPlatform.isStatic
-          [ "-C" "relocation-model=static" ]
-        ++ lib.optionals
-          (stdenv.buildPlatform.config != stdenv.hostPlatform.config)
-          [
-            "-l"
-            "c"
+      ([ ]
+      # This disables PIE for static builds, which isn't great in terms
+      # of security. Unfortunately, my hand is forced because nixpkgs'
+      # `libstdc++.a` is built without `-fPIE`, which precludes us from
+      # leaving PIE enabled.
+      ++ lib.optionals
+        stdenv.hostPlatform.isStatic
+        [ "-C" "relocation-model=static" ]
+      ++ lib.optionals
+        (stdenv.buildPlatform.config != stdenv.hostPlatform.config)
+        [
+          "-l"
+          "c"
 
-            "-l"
-            "stdc++"
+          "-l"
+          "stdc++"
 
-            "-L"
-            "${stdenv.cc.cc.lib}/${stdenv.hostPlatform.config}/lib"
-          ]
+          "-L"
+          "${stdenv.cc.cc.lib}/${stdenv.hostPlatform.config}/lib"
+        ]
       );
 }
 
-# What follows is stolen from [here][0]. Its purpose is to properly
-# configure compilers and linkers for various stages of the build, and
-# even covers the case of build scripts that need native code compiled and
-# run on the build platform (I think).
-#
-# [0]: https://github.com/NixOS/nixpkgs/blob/nixpkgs-unstable/pkgs/build-support/rust/lib/default.nix#L48-L68
-//
+  # What follows is stolen from [here][0]. Its purpose is to properly
+  # configure compilers and linkers for various stages of the build, and
+  # even covers the case of build scripts that need native code compiled and
+  # run on the build platform (I think).
+  #
+  # [0]: https://github.com/NixOS/nixpkgs/blob/nixpkgs-unstable/pkgs/build-support/rust/lib/default.nix#L48-L68
+  //
 (
   let
     inherit (rust.lib) envVars;
   in
   lib.optionalAttrs
     (stdenv.targetPlatform.rust.rustcTarget
-      != stdenv.hostPlatform.rust.rustcTarget)
+    != stdenv.hostPlatform.rust.rustcTarget)
     (
       let
         inherit (stdenv.targetPlatform.rust) cargoEnvVarTarget;