We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Drafts are leaked in feeds
Reported by @kayhayen in the mailing list. Proposed patch breaks tests, so checking things out a bit more carefully.


--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `nikola/plugins/task/rss.py`
Content:
```
1 # -*- coding: utf-8 -*-
2 
3 # Copyright © 2012-2014 Roberto Alsina and others.
4 
5 # Permission is hereby granted, free of charge, to any
6 # person obtaining a copy of this software and associated
7 # documentation files (the "Software"), to deal in the
8 # Software without restriction, including without limitation
9 # the rights to use, copy, modify, merge, publish,
10 # distribute, sublicense, and/or sell copies of the
11 # Software, and to permit persons to whom the Software is
12 # furnished to do so, subject to the following conditions:
13 #
14 # The above copyright notice and this permission notice
15 # shall be included in all copies or substantial portions of
16 # the Software.
17 #
18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
19 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
20 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
21 # PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
22 # OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
24 # OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 
27 from __future__ import unicode_literals, print_function
28 import os
29 try:
30     from urlparse import urljoin
31 except ImportError:
32     from urllib.parse import urljoin  # NOQA
33 
34 from nikola import utils
35 from nikola.plugin_categories import Task
36 
37 
38 class GenerateRSS(Task):
39     """Generate RSS feeds."""
40 
41     name = "generate_rss"
42 
43     def set_site(self, site):
44         site.register_path_handler('rss', self.rss_path)
45         return super(GenerateRSS, self).set_site(site)
46 
47     def gen_tasks(self):
48         """Generate RSS feeds."""
49         kw = {
50             "translations": self.site.config["TRANSLATIONS"],
51             "filters": self.site.config["FILTERS"],
52             "blog_title": self.site.config["BLOG_TITLE"],
53             "site_url": self.site.config["SITE_URL"],
54             "blog_description": self.site.config["BLOG_DESCRIPTION"],
55             "output_folder": self.site.config["OUTPUT_FOLDER"],
56             "rss_teasers": self.site.config["RSS_TEASERS"],
57             "hide_untranslated_posts": self.site.config['HIDE_UNTRANSLATED_POSTS'],
58             "feed_length": self.site.config['FEED_LENGTH'],
59         }
60         self.site.scan_posts()
61         yield self.group_task()
62         for lang in kw["translations"]:
63             output_name = os.path.join(kw['output_folder'],
64                                        self.site.path("rss", None, lang))
65             deps = []
66             if kw["hide_untranslated_posts"]:
67                 posts = [x for x in self.site.timeline if x.use_in_feeds
68                          and x.is_translation_available(lang)][:10]
69             else:
70                 posts = [x for x in self.site.timeline if x.use_in_feeds][:10]
71             for post in posts:
72                 deps += post.deps(lang)
73 
74             feed_url = urljoin(self.site.config['BASE_URL'], self.site.link("rss", None, lang).lstrip('/'))
75             yield {
76                 'basename': 'generate_rss',
77                 'name': os.path.normpath(output_name),
78                 'file_dep': deps,
79                 'targets': [output_name],
80                 'actions': [(utils.generic_rss_renderer,
81                             (lang, kw["blog_title"], kw["site_url"],
82                              kw["blog_description"], posts, output_name,
83                              kw["rss_teasers"], kw['feed_length'], feed_url))],
84                 'task_dep': ['render_posts'],
85                 'clean': True,
86                 'uptodate': [utils.config_changed(kw)],
87             }
88 
89     def rss_path(self, name, lang):
90         return [_f for _f in [self.site.config['TRANSLATIONS'][lang],
91                               self.site.config['RSS_PATH'], 'rss.xml'] if _f]
92
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/nikola/plugins/task/rss.py b/nikola/plugins/task/rss.py
--- a/nikola/plugins/task/rss.py
+++ b/nikola/plugins/task/rss.py
@@ -58,6 +58,11 @@
             "feed_length": self.site.config['FEED_LENGTH'],
         }
         self.site.scan_posts()
+        # Check for any changes in the state of use_in_feeds for any post.
+        # Issue #934
+        kw['use_in_feeds_status'] = ''.join(
+            ['T' if x.use_in_feeds else 'F' for x in self.site.timeline]
+        )
         yield self.group_task()
         for lang in kw["translations"]:
             output_name = os.path.join(kw['output_folder'],

{"golden_diff": "diff --git a/nikola/plugins/task/rss.py b/nikola/plugins/task/rss.py\n--- a/nikola/plugins/task/rss.py\n+++ b/nikola/plugins/task/rss.py\n@@ -58,6 +58,11 @@\n             \"feed_length\": self.site.config['FEED_LENGTH'],\n         }\n         self.site.scan_posts()\n+        # Check for any changes in the state of use_in_feeds for any post.\n+        # Issue #934\n+        kw['use_in_feeds_status'] = ''.join(\n+            ['T' if x.use_in_feeds else 'F' for x in self.site.timeline]\n+        )\n         yield self.group_task()\n         for lang in kw[\"translations\"]:\n             output_name = os.path.join(kw['output_folder'],\n", "issue": "Drafts are leaked in feeds\nReported by @kayhayen in the mailing list. Proposed patch breaks tests, so checking things out a bit more carefully.\n\n", "before_files": [{"content": "# -*- coding: utf-8 -*-\n\n# Copyright \u00a9 2012-2014 Roberto Alsina and others.\n\n# Permission is hereby granted, free of charge, to any\n# person obtaining a copy of this software and associated\n# documentation files (the \"Software\"), to deal in the\n# Software without restriction, including without limitation\n# the rights to use, copy, modify, merge, publish,\n# distribute, sublicense, and/or sell copies of the\n# Software, and to permit persons to whom the Software is\n# furnished to do so, subject to the following conditions:\n#\n# The above copyright notice and this permission notice\n# shall be included in all copies or substantial portions of\n# the Software.\n#\n# THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY\n# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE\n# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR\n# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS\n# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR\n# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\n# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nfrom __future__ import unicode_literals, print_function\nimport os\ntry:\n    from urlparse import urljoin\nexcept ImportError:\n    from urllib.parse import urljoin  # NOQA\n\nfrom nikola import utils\nfrom nikola.plugin_categories import Task\n\n\nclass GenerateRSS(Task):\n    \"\"\"Generate RSS feeds.\"\"\"\n\n    name = \"generate_rss\"\n\n    def set_site(self, site):\n        site.register_path_handler('rss', self.rss_path)\n        return super(GenerateRSS, self).set_site(site)\n\n    def gen_tasks(self):\n        \"\"\"Generate RSS feeds.\"\"\"\n        kw = {\n            \"translations\": self.site.config[\"TRANSLATIONS\"],\n            \"filters\": self.site.config[\"FILTERS\"],\n            \"blog_title\": self.site.config[\"BLOG_TITLE\"],\n            \"site_url\": self.site.config[\"SITE_URL\"],\n            \"blog_description\": self.site.config[\"BLOG_DESCRIPTION\"],\n            \"output_folder\": self.site.config[\"OUTPUT_FOLDER\"],\n            \"rss_teasers\": self.site.config[\"RSS_TEASERS\"],\n            \"hide_untranslated_posts\": self.site.config['HIDE_UNTRANSLATED_POSTS'],\n            \"feed_length\": self.site.config['FEED_LENGTH'],\n        }\n        self.site.scan_posts()\n        yield self.group_task()\n        for lang in kw[\"translations\"]:\n            output_name = os.path.join(kw['output_folder'],\n                                       self.site.path(\"rss\", None, lang))\n            deps = []\n            if kw[\"hide_untranslated_posts\"]:\n                posts = [x for x in self.site.timeline if x.use_in_feeds\n                         and x.is_translation_available(lang)][:10]\n            else:\n                posts = [x for x in self.site.timeline if x.use_in_feeds][:10]\n            for post in posts:\n                deps += post.deps(lang)\n\n            feed_url = urljoin(self.site.config['BASE_URL'], self.site.link(\"rss\", None, lang).lstrip('/'))\n            yield {\n                'basename': 'generate_rss',\n                'name': os.path.normpath(output_name),\n                'file_dep': deps,\n                'targets': [output_name],\n                'actions': [(utils.generic_rss_renderer,\n                            (lang, kw[\"blog_title\"], kw[\"site_url\"],\n                             kw[\"blog_description\"], posts, output_name,\n                             kw[\"rss_teasers\"], kw['feed_length'], feed_url))],\n                'task_dep': ['render_posts'],\n                'clean': True,\n                'uptodate': [utils.config_changed(kw)],\n            }\n\n    def rss_path(self, name, lang):\n        return [_f for _f in [self.site.config['TRANSLATIONS'][lang],\n                              self.site.config['RSS_PATH'], 'rss.xml'] if _f]\n", "path": "nikola/plugins/task/rss.py"}], "after_files": [{"content": "# -*- coding: utf-8 -*-\n\n# Copyright \u00a9 2012-2014 Roberto Alsina and others.\n\n# Permission is hereby granted, free of charge, to any\n# person obtaining a copy of this software and associated\n# documentation files (the \"Software\"), to deal in the\n# Software without restriction, including without limitation\n# the rights to use, copy, modify, merge, publish,\n# distribute, sublicense, and/or sell copies of the\n# Software, and to permit persons to whom the Software is\n# furnished to do so, subject to the following conditions:\n#\n# The above copyright notice and this permission notice\n# shall be included in all copies or substantial portions of\n# the Software.\n#\n# THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY\n# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE\n# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR\n# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS\n# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR\n# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\n# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nfrom __future__ import unicode_literals, print_function\nimport os\ntry:\n    from urlparse import urljoin\nexcept ImportError:\n    from urllib.parse import urljoin  # NOQA\n\nfrom nikola import utils\nfrom nikola.plugin_categories import Task\n\n\nclass GenerateRSS(Task):\n    \"\"\"Generate RSS feeds.\"\"\"\n\n    name = \"generate_rss\"\n\n    def set_site(self, site):\n        site.register_path_handler('rss', self.rss_path)\n        return super(GenerateRSS, self).set_site(site)\n\n    def gen_tasks(self):\n        \"\"\"Generate RSS feeds.\"\"\"\n        kw = {\n            \"translations\": self.site.config[\"TRANSLATIONS\"],\n            \"filters\": self.site.config[\"FILTERS\"],\n            \"blog_title\": self.site.config[\"BLOG_TITLE\"],\n            \"site_url\": self.site.config[\"SITE_URL\"],\n            \"blog_description\": self.site.config[\"BLOG_DESCRIPTION\"],\n            \"output_folder\": self.site.config[\"OUTPUT_FOLDER\"],\n            \"rss_teasers\": self.site.config[\"RSS_TEASERS\"],\n            \"hide_untranslated_posts\": self.site.config['HIDE_UNTRANSLATED_POSTS'],\n            \"feed_length\": self.site.config['FEED_LENGTH'],\n        }\n        self.site.scan_posts()\n        # Check for any changes in the state of use_in_feeds for any post.\n        # Issue #934\n        kw['use_in_feeds_status'] = ''.join(\n            ['T' if x.use_in_feeds else 'F' for x in self.site.timeline]\n        )\n        yield self.group_task()\n        for lang in kw[\"translations\"]:\n            output_name = os.path.join(kw['output_folder'],\n                                       self.site.path(\"rss\", None, lang))\n            deps = []\n            if kw[\"hide_untranslated_posts\"]:\n                posts = [x for x in self.site.timeline if x.use_in_feeds\n                         and x.is_translation_available(lang)][:10]\n            else:\n                posts = [x for x in self.site.timeline if x.use_in_feeds][:10]\n            for post in posts:\n                deps += post.deps(lang)\n\n            feed_url = urljoin(self.site.config['BASE_URL'], self.site.link(\"rss\", None, lang).lstrip('/'))\n            yield {\n                'basename': 'generate_rss',\n                'name': os.path.normpath(output_name),\n                'file_dep': deps,\n                'targets': [output_name],\n                'actions': [(utils.generic_rss_renderer,\n                            (lang, kw[\"blog_title\"], kw[\"site_url\"],\n                             kw[\"blog_description\"], posts, output_name,\n                             kw[\"rss_teasers\"], kw['feed_length'], feed_url))],\n                'task_dep': ['render_posts'],\n                'clean': True,\n                'uptodate': [utils.config_changed(kw)],\n            }\n\n    def rss_path(self, name, lang):\n        return [_f for _f in [self.site.config['TRANSLATIONS'][lang],\n                              self.site.config['RSS_PATH'], 'rss.xml'] if _f]\n", "path": "nikola/plugins/task/rss.py"}]}