Add examples to the documentation

docs/installers.rst

@@ -69,6 +69,14 @@ directory.
 
 The ``move`` command cannot overwrite files.
 
+Example:
+
+::
+    
+    move:
+      src: game-file-id
+      dst: $GAMEDIR/location
+    
 Copying and merging directories
 -------------------------------
 
@@ -78,11 +86,38 @@ destination directory. When merging into an existing directory, original files
 with the same as ones present in the merged directory will be overwritten, take
 this into account when writing your script and order your actions accordingly.
 
+Example:
+
+::
+    
+    merge:
+      src: game-file-id
+      dst: $GAMEDIR/location
+    
+
 Extracting archives
 -------------------
 
 Extracting archives is done with the ``extract`` directive, the ``file``
-argument is a ``file id``.
+argument is a ``file id``. If the archive should be extracted in some other 
+location than the ``$GAMEDIR``, you can specify a ``dst`` argument.
+
+Example: 
+
+::
+
+    extract:
+      file: game-archive
+      dst: $GAMEDIR/datadir/ 
+
+Making a file executable
+------------------------
+
+Marking the file as executable is done with the ``chmodx`` command. It is often
+needed for games that ships in a zip file which does not retain file permissions.
+
+Example: ``chmodx: $GAMEDIR/game_binary``
+
 
 Calling the installer
 =====================

lutris/installer.py

@@ -210,7 +210,6 @@ class ScriptInterpreter(object):
         if os.path.exists(dest_file):
             logger.debug("Destination file exists")
             if settings.KEEP_CACHED_ASSETS:
-                # Fast !
                 self.game_files[file_id] = dest_file
                 self.iter_game_files()
                 return