shells: reformat with nixpkgs-fmt

shells/flatpak.nix

@@ -1,7 +1,14 @@
 # My custom shell for developing Flatpak manifests.
 # This is not suitable outside of NixOS, unfortunately.
-{ mkShell, lib, diffoscope, flatpak-builder, editorconfig-checker
-, editorconfig-core-c, git, dasel }:
+{ mkShell
+, lib
+, diffoscope
+, flatpak-builder
+, editorconfig-checker
+, editorconfig-core-c
+, git
+, dasel
+}:
 
 mkShell {
   packages = [

shells/gnome.nix

@@ -3,7 +3,18 @@
 # projects.
 #
 # These include toolkits for C, Rust, and GNOME JavaScript.
-{ mkShell, cmake, meson, ninja, gtk4, libadwaita, gjs, pkg-config, rustPlatform, nodePackages, blueprint-compiler }:
+{ mkShell
+, cmake
+, meson
+, ninja
+, gtk4
+, libadwaita
+, gjs
+, pkg-config
+, rustPlatform
+, nodePackages
+, blueprint-compiler
+}:
 
 mkShell {
   packages = [

shells/gnu.nix

@@ -4,7 +4,19 @@
 # It's a good thing they have documented the full details in one of their
 # manuals at
 # https://www.gnu.org/software/automake/manual/html_node/GNU-Build-System.html
-{ mkShell, lib, autoconf, autoconf-archive, automake, gnumake, gcc, gettext, coreutils, pkg-config, help2man, texinfo }:
+{ mkShell
+, lib
+, autoconf
+, autoconf-archive
+, automake
+, gnumake
+, gcc
+, gettext
+, coreutils
+, pkg-config
+, help2man
+, texinfo
+}:
 
 mkShell {
   packages = [

shells/rust.nix

@@ -1,6 +1,15 @@
 # This is just for a quick development setup. Otherwise, I recommend
 # to use the `rust` template from `nixpkgs` or whatever you prefer.
-{ mkShell, openssl, pkgconfig, cargo, rustc, rustfmt, rust-analyzer, rustPackages, rustPlatform }:
+{ mkShell
+, openssl
+, pkgconfig
+, cargo
+, rustc
+, rustfmt
+, rust-analyzer
+, rustPackages
+, rustPlatform
+}:
 
 mkShell {
   buildInputs = [