diff --git a/setup.py b/setup.py

--- a/setup.py

+++ b/setup.py

@@ -8,15 +8,23 @@

 import time

 import sys

 import os

+from distutils.core import setup

-# non-Win32 platforms doesn't require setup

-if os.name != 'nt':

-    sys.stderr.write("abort: %s is for Win32 platforms only" % sys.argv[0])

-    sys.exit(1)

+_description = 'Graphical interface for Mercurial VCS'

+_scripts = []

+_packages = []

+_data_files = []

+_extra = {}

+_options = {}

-# ModuleFinder can't handle runtime changes to __path__, but win32com uses them

+if os.name == 'nt':

+    _description = 'Windows shell extension for Mercurial VCS'

+    _packages = ['tortoise', 'hggtk', 'hggtk.vis', 'hggtk.iniparse']

+    _data_files = [(root, [os.path.join(root, file_) for file_ in files])

+                           for root, dirs, files in os.walk('icons')]

-try:

+    # ModuleFinder can't handle runtime changes to __path__, but win32com uses them

+

     # if this doesn't work, try import modulefinder

     import py2exe.mf as modulefinder

     import win32com

@@ -27,48 +35,55 @@

         m = sys.modules[extra]

         for p in m.__path__[1:]:

             modulefinder.AddPackagePath(extra, p)

-except ImportError:

-    # no build path setup, no worries.

-    pass

-from distutils.core import setup

-import py2exe

+    try:

+        import py2exe

+    except ImportError:

+        pass

-_data_files = []

-extra = {}

-hgextmods = []

+    hgextmods = []

-if 'py2exe' in sys.argv:

-    # FIXME: quick hack to include installed hg extensions in py2exe binary

-    import hgext

-    hgextdir = os.path.dirname(hgext.__file__)

-    hgextmods = set(["hgext." + os.path.splitext(f)[0]

-                  for f in os.listdir(hgextdir)])

-    _data_files = [(root, [os.path.join(root, file_) for file_ in files])

-                        for root, dirs, files in os.walk('icons')]

-    extra['windows'] = [

-            {"script":"hgproc.py",

-                        "icon_resources": [(1, "icons/tortoise/hg.ico")]},

-            {"script":"hggtk/tracelog.py",

-                        "icon_resources": [(1, "icons/tortoise/python.ico")]}

-            ]

-    extra['com_server'] = ["tortoisehg"]

-    extra['console'] = ["contrib/hg"]

+    if 'py2exe' in sys.argv:

+        # FIXME: quick hack to include installed hg extensions in py2exe binary

+        import hgext

+        hgextdir = os.path.dirname(hgext.__file__)

+        hgextmods = set(["hgext." + os.path.splitext(f)[0]

+                      for f in os.listdir(hgextdir)])

+        _data_files = [(root, [os.path.join(root, file_) for file_ in files])

+                            for root, dirs, files in os.walk('icons')]

+        extra['windows'] = [

+                {"script":"hgproc.py",

+                 "icon_resources": [(1, "icons/tortoise/hg.ico")]},

+                {"script":"hggtk/tracelog.py",

+                 "icon_resources": [(1, "icons/tortoise/python.ico")]}

+                ]

+        extra['com_server'] = ["tortoisehg"]

+        extra['console'] = ["contrib/hg"]

-opts = {

-   "py2exe" : {

-       # Don't pull in all this MFC stuff used by the makepy UI.

-       "excludes" : "pywin,pywin.dialogs,pywin.dialogs.list",

+    _options = {

+       "py2exe" : {

+           # Don't pull in all this MFC stuff used by the makepy UI.

+           "excludes" : "pywin,pywin.dialogs,pywin.dialogs.list",

+           # add library files to support PyGtk-based dialogs/windows

+           # Note:

+           #    after py2exe build, copy GTK's etc and lib directories into

+           #    the dist directory created by py2exe.

+           #    also needed is the GTK's share/themes (as dist/share/themes), 

+           #    for dialogs to display in MS-Windows XP theme.

+           "includes" : "pango,atk,pangocairo,cairo,gobject," + ",".join(hgextmods),

+       }

+    }

+    _extra['options'] = _options

-       # add library files to support PyGtk-based dialogs/windows

-       # Note:

-       #    after py2exe build, copy GTK's etc and lib directories into

-       #    the dist directory created by py2exe.

-       #    also needed is the GTK's share/themes (as dist/share/themes), 

-       #    for dialogs to display in MS-Windows XP theme.

-       "includes" : "pango,atk,pangocairo,cairo,gobject," + ",".join(hgextmods),

-   }

-}

+else: # non-NT; assume Unixish

+

+    _scripts = ['contrib/hgtk']

+    _packages = ['hggtk', 'hggtk.vis', 'hggtk.iniparse']

+    _data_files = [(os.path.join('share/pixmaps/tortoisehg', root),

+        [os.path.join(root, file_) for file_ in files])

+        for root, dirs, files in os.walk('icons')]

+    _data_files += [('lib/nautilus/extensions-2.0/python', ['contrib/nautilus-thg.py'])]

+

 # specify version string, otherwise 'hg identify' will be used:

 version = ''

@@ -80,11 +95,11 @@

         version=tortoise.version.get_version(),

         author='TK Soh',

         author_email='teekaysoh@gmail.com',

-        url='http://tortoisehg.sourceforge.net',

-        description='Windows shell extension for Mercurial VCS',

+        url='http://tortoisehg.sourceforge.net/',

+        description=_description,

         license='GNU GPL2',

-        packages=['tortoise', 'hggtk', 'hggtk.vis', 'hggtk.iniparse'],

-        data_files = _data_files,

-        options=opts,

-        **extra

+        scripts=_scripts,

+        packages=_packages,

+        data_files=_data_files,

+        **_extra

     )