style: change sddm theme

pkgs/sddm-themes/aerial.nix

@@ -0,0 +1,33 @@
+{
+  pkgs,
+  lib,
+  stdenvNoCC,
+  themeConfig ? null,
+}:
+stdenvNoCC.mkDerivation {
+  name = "aerial-sddm-theme";
+
+  dontWrapQtApps = true;
+
+  src = pkgs.fetchFromGitHub {
+    owner = "3ximus";
+    repo = "aerial-sddm-theme";
+    rev = "484b52e";
+    sha256 = "sha256-YeJTdlnGV58MNB8VpjDrFuC3VNsh5SgTdZH63aLD6Xw=";
+  };
+
+  installPhase =
+    let
+      iniFormat = pkgs.formats.ini { };
+      configFile = iniFormat.generate "" { General = themeConfig; };
+      basePath = "$out/share/sddm/themes/sddm-aerial-theme";
+    in
+    ''
+      mkdir -p ${basePath}
+      cp -r $src/* ${basePath}
+    ''
+    + lib.optionalString (themeConfig != null) ''
+      ln -sf ${configFile} ${basePath}/theme.conf.user
+    '';
+
+}

pkgs/sddm-themes/astronaut.nix

@@ -0,0 +1,15 @@
+{ pkgs }:
+
+pkgs.stdenv.mkDerivation {
+  name = "astronaut-sddm-theme";
+  src = pkgs.fetchFromGitHub {
+    owner = "gpskwlkr";
+    repo = "sddm-astronaut-theme";
+    rev = "468a100460d5feaa701c2215c737b55789cba0fc";
+    sha256 = "1h20b7n6a4pbqnrj22y8v5gc01zxs58lck3bipmgkpyp52ip3vig";
+  };
+  installPhase = ''
+    mkdir -p $out
+    cp -R ./* $out/
+  '';
+}

pkgs/sddm-themes/gruvbox.nix

@@ -0,0 +1,27 @@
+{
+  pkgs,
+  ...
+}:
+let
+  imageLink = "https://images.unsplash.com/photo-1507090960745-b32f65d3113a?ixlib=rb-4.0.3&q=85&fm=jpg&crop=entropy&cs=srgb&dl=matteo-catanese-PI8Hk-3ZcCU-unsplash.jpg&w=2400";
+  image = pkgs.fetchurl {
+    url = imageLink;
+    sha256 = "sha256-y0avQR9I8u2m0JEe/lcfLgHUDF1TDN029511yC6PhQE=";
+  };
+in
+pkgs.stdenv.mkDerivation {
+  name = "sddm-theme";
+  src = pkgs.fetchFromGitHub {
+    owner = "MarianArlt";
+    repo = "sddm-sugar-dark";
+    rev = "ceb2c455663429be03ba62d9f898c571650ef7fe";
+    sha256 = "0153z1kylbhc9d12nxy9vpn0spxgrhgy36wy37pk6ysq7akaqlvy";
+  };
+  installPhase = ''
+    mkdir -p $out
+    cp -R ./* $out/
+    cd $out/
+    rm Background.jpg
+    cp -r ${image} $out/Background.jpg
+  '';
+}