diff --git a/pkgs/applications/backup/timeshift/default.nix b/pkgs/applications/backup/timeshift/default.nix
index 53bcc5a373bf..9f550af44881 100644
--- a/pkgs/applications/backup/timeshift/default.nix
+++ b/pkgs/applications/backup/timeshift/default.nix
@@ -1,13 +1,14 @@
-{ callPackage
-, timeshift-unwrapped
-, rsync
-, coreutils
-, mount
-, umount
-, psmisc
-, cron
-, btrfs-progs
-, grubPackage
+{
+  callPackage,
+  timeshift-unwrapped,
+  rsync,
+  coreutils,
+  mount,
+  umount,
+  psmisc,
+  cron,
+  btrfs-progs,
+  grubPackage,
 }:
 let
   timeshift-wrapper = callPackage ./wrapper.nix { };
@@ -21,12 +22,15 @@ in
   cron
   btrfs-progs
   grubPackage
-])).overrideAttrs (oldAttrs: {
-  meta = oldAttrs.meta // {
-    description = oldAttrs.meta.description;
-    longDescription = oldAttrs.meta.longDescription + ''
-      This package comes with runtime dependencies of command utilities provided by rsync, coreutils, mount, umount, psmisc, cron and btrfs.
-      If you want to use the commands provided by the system, use timeshift-minimal instead.
-    '';
-  };
-})
+])).overrideAttrs
+  (oldAttrs: {
+    meta = oldAttrs.meta // {
+      description = oldAttrs.meta.description;
+      longDescription =
+        oldAttrs.meta.longDescription
+        + ''
+          This package comes with runtime dependencies of command utilities provided by rsync, coreutils, mount, umount, psmisc, cron and btrfs.
+          If you want to use the commands provided by the system, use timeshift-minimal instead.
+        '';
+    };
+  })
diff --git a/pkgs/applications/backup/timeshift/minimal.nix b/pkgs/applications/backup/timeshift/minimal.nix
index 96946fa72e05..113200c30e73 100644
--- a/pkgs/applications/backup/timeshift/minimal.nix
+++ b/pkgs/applications/backup/timeshift/minimal.nix
@@ -1,5 +1,6 @@
-{ callPackage
-, timeshift-unwrapped
+{
+  callPackage,
+  timeshift-unwrapped,
 }:
 let
   timeshift-wrapper = callPackage ./wrapper.nix { };
@@ -7,9 +8,11 @@ in
 (timeshift-wrapper timeshift-unwrapped [ ]).overrideAttrs (oldAttrs: {
   meta = oldAttrs.meta // {
     description = oldAttrs.meta.description + " (without runtime dependencies)";
-    longDescription = oldAttrs.meta.longDescription + ''
-      This package is a wrapped version of timeshift-unwrapped
-      without runtime dependencies of command utilities.
-    '';
+    longDescription =
+      oldAttrs.meta.longDescription
+      + ''
+        This package is a wrapped version of timeshift-unwrapped
+        without runtime dependencies of command utilities.
+      '';
   };
 })
diff --git a/pkgs/applications/backup/timeshift/unwrapped.nix b/pkgs/applications/backup/timeshift/unwrapped.nix
index 86d6794051ef..3fbaed4b21be 100644
--- a/pkgs/applications/backup/timeshift/unwrapped.nix
+++ b/pkgs/applications/backup/timeshift/unwrapped.nix
@@ -1,18 +1,19 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, gettext
-, help2man
-, meson
-, ninja
-, pkg-config
-, vala
-, gtk3
-, json-glib
-, libgee
-, util-linux
-, vte
-, xapp
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  gettext,
+  help2man,
+  meson,
+  ninja,
+  pkg-config,
+  vala,
+  gtk3,
+  json-glib,
+  libgee,
+  util-linux,
+  vte,
+  xapp,
 }:
 
 stdenv.mkDerivation rec {
@@ -65,6 +66,9 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/linuxmint/timeshift";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
-    maintainers = with maintainers; [ ShamrockLee bobby285271 ];
+    maintainers = with maintainers; [
+      ShamrockLee
+      bobby285271
+    ];
   };
 }
diff --git a/pkgs/applications/backup/timeshift/wrapper.nix b/pkgs/applications/backup/timeshift/wrapper.nix
index 84b3f14ac2ff..0769ee957642 100644
--- a/pkgs/applications/backup/timeshift/wrapper.nix
+++ b/pkgs/applications/backup/timeshift/wrapper.nix
@@ -1,14 +1,14 @@
-{ stdenvNoCC
-, lib
-, wrapGAppsHook3
-, gdk-pixbuf
-, librsvg
-, xorg
-, shared-mime-info
+{
+  stdenvNoCC,
+  lib,
+  wrapGAppsHook3,
+  gdk-pixbuf,
+  librsvg,
+  xorg,
+  shared-mime-info,
 }:
 
-timeshift-unwrapped:
-runtimeDeps:
+timeshift-unwrapped: runtimeDeps:
 stdenvNoCC.mkDerivation {
   inherit (timeshift-unwrapped) pname version;
 
@@ -34,7 +34,13 @@ stdenvNoCC.mkDerivation {
     )
     gappsWrapperArgs+=(
       # Thumbnailers
-      --prefix XDG_DATA_DIRS : "${lib.makeSearchPath "share" [ gdk-pixbuf librsvg shared-mime-info ]}"
+      --prefix XDG_DATA_DIRS : "${
+        lib.makeSearchPath "share" [
+          gdk-pixbuf
+          librsvg
+          shared-mime-info
+        ]
+      }"
       "''${makeWrapperArgs[@]}"
     )
     wrapProgram "$out/bin/timeshift" "''${makeWrapperArgs[@]}"