theme-obsidian2: 2.8 -> 2.9 (#67501)

* theme-obsidian2: 2.8 -> 2.9

* theme-obsidian2: move to pkgs/data

* theme-obsidian2: use pname

* theme-obsidian2: run hooks preInstall and postInstall in install phase

pkgs/misc/themes/obsidian2/default.nix pkgs/data/themes/obsidian2/default.nix

···
 { stdenv, fetchFromGitHub, gtk-engine-murrine }:
 
 stdenv.mkDerivation rec {
-  name = "theme-obsidian2-${version}";
-  version = "2.8";
+  pname = "theme-obsidian2";
+  version = "2.9";
 
   src = fetchFromGitHub {
     owner = "madmaxms";
     repo = "theme-obsidian-2";
     rev = "v${version}";
-    sha256 = "0qryqpyxbhr0kyar2cshwhzv4da6rfz9gi4wjb6xvcb6szxhlcaq";
+    sha256 = "1m89ws2a4nms4m8187d5cxi281b66i59xa5shlp3g1r2jc4312cy";
   };
 
   propagatedUserEnvPkgs = [ gtk-engine-murrine ];
 
-  postPatch = ''
-    sed -i -e 's|Obsidian-2-Local|Obsidian-2|' Obsidian-2/index.theme
-  '';
-
   installPhase = ''
+    runHook preInstall
     mkdir -p $out/share/themes
     cp -a Obsidian-2 $out/share/themes
+    runHook postInstall
   '';
 
   meta = with stdenv.lib; {

pkgs/top-level/all-packages.nix

···
     gtk = res.gtk2;
   };
 
+  theme-obsidian2 = callPackage ../data/themes/obsidian2 { };
+
   themes = name: callPackage (../data/misc/themes + ("/" + name + ".nix")) {};
 
   theano = callPackage ../data/fonts/theano { };
···
   onestepback = callPackage ../misc/themes/onestepback { };
 
   theme-jade1 = callPackage ../misc/themes/jade1 { };
-
-  theme-obsidian2 = callPackage ../misc/themes/obsidian2 { };
 
   theme-vertex = callPackage ../misc/themes/vertex { };