qsstv: move icon to spec-compliant location (#490846)

pkgs/applications/radio/qsstv/default.nix

@@ -13,14 +13,15 @@
   hamlib,
   libv4l,
   fftwFloat,
+  imagemagick,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   version = "9.5.8";
   pname = "qsstv";
 
   src = fetchurl {
-    url = "https://www.qsl.net/o/on4qz/qsstv/downloads/qsstv_${version}.tar.gz";
+    url = "https://www.qsl.net/o/on4qz/qsstv/downloads/qsstv_${finalAttrs.version}.tar.gz";
     sha256 = "0s3sivc0xan6amibdiwfnknrl3248wzgy98w6gyxikl0qsjpygy0";
   };
 
@@ -28,6 +29,7 @@ stdenv.mkDerivation rec {
     qmake
     pkg-config
     wrapQtAppsHook
+    imagemagick
   ];
 
   buildInputs = [
@@ -43,7 +45,8 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     # Install desktop icon
-    install -D icons/qsstv.png $out/share/pixmaps/qsstv.png
+    mkdir -p $out/share/icons/hicolor/32x32/apps
+    magick icons/qsstv.png -resize 32x32 $out/share/icons/hicolor/32x32/apps/qsstv.png
     install -D qsstv.desktop $out/share/applications/qsstv.desktop
   '';
 
@@ -55,4 +58,4 @@ stdenv.mkDerivation rec {
     license = lib.licenses.gpl3;
     maintainers = with lib.maintainers; [ hax404 ];
   };
-}
+})