Fix a refactoring bug

tests/test_cli.py

@@ -407,3 +407,37 @@ def test_discover_command(tmpdir):
                            env={'VDIRSYNCER_CONFIG': str(cfg)})
     assert not result.exception
     assert 'Syncing foobar/d' in result.output
+
+
+def test_multiple_pairs(tmpdir):
+    cfg_content = [dedent('''
+    [general]
+    status_path = {}/status/
+    ''').format(str(tmpdir))]
+    for name_a, name_b in ('foo', 'bar'), ('bam', 'baz'):
+        cfg_content.append(dedent('''
+        [pair {a}{b}]
+        a = {a}
+        b = {b}
+        ''').format(a=name_a, b=name_b))
+
+        for name in name_a, name_b:
+            cfg_content.append(dedent('''
+            [storage {name}]
+            type = filesystem
+            path = {base}/{name}/
+            fileext = .txt
+            ''').format(name=name, base=str(tmpdir)))
+
+    cfg = tmpdir.join('config')
+    cfg.write(''.join(cfg_content))
+
+    runner = CliRunner()
+    result = runner.invoke(cli.app, ['sync'],
+                           env={'VDIRSYNCER_CONFIG': str(cfg)})
+    assert sorted(result.output.splitlines()) == [
+        'Discovering collections for pair bambaz',
+        'Discovering collections for pair foobar',
+        'Syncing bambaz',
+        'Syncing foobar',
+    ]

vdirsyncer/cli/__init__.py

@@ -105,7 +105,7 @@ def sync(ctx, pairs, force_delete, max_workers):
 
     for pair_name, collections in parse_pairs_args(pairs, all_pairs):
         wq.spawn_worker()
-        wq.put(lambda wq: sync_pair(wq, pair_name=pair_name,
+        wq.put(functools.partial(sync_pair, pair_name=pair_name,
                                  collections_to_sync=collections,
                                  general=general, all_pairs=all_pairs,
                                  all_storages=all_storages,
@@ -136,11 +136,12 @@ def discover(ctx, pairs, max_workers):
                            .format(pair, list(all_pairs)))
 
         wq.spawn_worker()
-        wq.put(lambda wq: collections_for_pair(
+        wq.put(functools.partial(
+            (lambda wq, **kwargs: collections_for_pair(**kwargs)),
             status_path=general['status_path'], name_a=name_a, name_b=name_b,
             pair_name=pair, config_a=all_storages[name_a],
             config_b=all_storages[name_b], pair_options=pair_options,
-            skip_cache=True)
+            skip_cache=True
-        )
+        ))
 
     wq.join()