allow $path in "beet list -f" templates

beets/library.py

@@ -343,6 +343,10 @@ class Item(object):
                 value = util.sanitize_for_path(value, pathmod, key)
             mapping[key] = value
 
+        # Additional fields in non-sanitized case.
+        if not sanitize:
+            mapping['path'] = self.path
+
         # Use the album artist if the track artist is not set and
         # vice-versa.
         if not mapping['artist']:

docs/changelog.rst

@@ -4,6 +4,8 @@ Changelog
 1.0b16 (in development)
 -----------------------
 
+* ``list`` command: Templates given with ``-f`` can now show items' paths (using
+  ``$path``).
 * :doc:`/plugins/fetchart`: Fix a bug where cover art filenames could lack
   a ``.jpg`` extension.
 * Add the track mapping dictionary to the ``album_distance`` plugin function.