Adds forgotten tags_cmd and fixes init_cmd.

papers/commands/init_cmd.py

@@ -20,7 +20,7 @@ def parser(subparsers, config):
 def command(config, ui, path, doc_dir):
     """Create a .papers directory"""
     if path is None:
-        papersdir = configs.get('papers', 'papers-directory')
+        papersdir = config.get('papers', 'papers-directory')
     else:
         papersdir = os.path.join(os.getcwd(), path)
         configs.add_and_write_option('papers', 'papers-directory', papersdir)

papers/commands/tags_cmd.py

@@ -0,0 +1,13 @@
+from ..repo import Repository
+
+
+def parser(subparsers, config):
+    parser = subparsers.add_parser('tags', help="list existing tags")
+    return parser
+
+
+def command(config, ui):
+    """List existing tags"""
+    rp = Repository.from_directory(config)
+    for tag in rp.get_labels():
+        ui.print_(tag)