libpeas: rename from gnome3.libpeas

pkgs/development/libraries/libpeas/default.nix

@@ -0,0 +1,36 @@
+{ stdenv, fetchurl, pkgconfig, intltool, gnome3
+, glib, gtk3, gobject-introspection, python3, ncurses
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libpeas";
+  version = "1.22.0";
+
+  src = fetchurl {
+    url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
+    sha256 = "0qm908kisyjzjxvygdl18hjqxvvgkq9w0phs2g55pck277sw0bsv";
+  };
+
+  configureFlags = [ "--enable-python3" ];
+
+  nativeBuildInputs = [ pkgconfig intltool gobject-introspection ];
+  buildInputs =  [ glib gtk3 ncurses python3 python3.pkgs.pygobject3 ];
+  propagatedBuildInputs = [
+    # Required by libpeas-1.0.pc
+    gobject-introspection
+  ];
+
+  passthru = {
+    updateScript = gnome3.updateScript {
+      packageName = pname;
+    };
+  };
+
+  meta = with stdenv.lib; {
+    description = "A GObject-based plugins engine";
+    homepage = https://wiki.gnome.org/Projects/Libpeas;
+    license = licenses.gpl2Plus;
+    platforms = platforms.unix;
+    maintainers = gnome3.maintainers;
+  };
+}