sddm-astronaut: install fonts (#529276)

pkgs/by-name/sd/sddm-astronaut/package.nix

@@ -2,6 +2,7 @@
   lib,
   stdenvNoCC,
   fetchFromGitHub,
+  installFonts,
   kdePackages,
   formats,
   nix-update-script,
@@ -26,6 +27,8 @@ stdenvNoCC.mkDerivation {
 
   dontWrapQtApps = true;
 
+  nativeBuildInputs = [ installFonts ];
+
   propagatedBuildInputs = with kdePackages; [
     # avoid .dev outputs propagation
     qtsvg.out
@@ -34,6 +37,8 @@ stdenvNoCC.mkDerivation {
   ];
 
   installPhase = ''
+    runHook preInstall
+
     mkdir -p ${basePath}
     cp -r $src/* ${basePath}
   ''
@@ -46,6 +51,9 @@ stdenvNoCC.mkDerivation {
   + lib.optionalString (themeConfig != null) ''
     chmod u+w ${basePath}/Themes/
     ln -sf ${configFile} ${basePath}/Themes/${embeddedTheme}.conf.user
+  ''
+  + ''
+    runHook postInstall
   '';
 
   passthru.updateScript = nix-update-script { extraArgs = [ "--version=branch" ]; };