Dulwich

* Add a ``RefsContainer.watch`` interface.
(Jelmer Vernooij, 751)

* Fix pushing of new branches from porcelain.push.
(Jelmer Vernooij, 788)

* Honor shallows when pushing from a shallow clone.
(Jelmer Vernooij, 794)

* Fix porcelain.path_to_tree_path for Python 3.5.
(Boris Feld, 777)

* Add support for honor proxy environment variables for HTTP.
(Aurélien Campéas, 797)

* Print a clearer exception when setup.py is executed on Python < 3.5.
(Jelmer Vernooij, 783)

* Send an empty pack to clients if they requested objects, even if they
already have those objects. Thanks to Martijn Pieters for
the detailed bug report. (Jelmer Vernooij, 781)

* porcelain.pull: Don't ask for objects that we already have.
(Jelmer Vernooij, 782)

* Add LCA implementation. (Kevin Hendricks)

* Add functionality for finding the merge base. (Kevin Hendricks)

* Check for diverged branches during push.
(Jelmer Vernooij, 494)

* Check for fast-forward during pull. (Jelmer Vernooij, 666)

* Return a SendPackResult object from
GitClient.send_pack(). (Jelmer Vernooij)

* ``GitClient.send_pack`` now sets the ``ref_status`` attribute
on its return value to a dictionary mapping ref names
to error messages. Previously, it raised UpdateRefsError
if any of the refs failed to update.
(Jelmer Vernooij, 780)

* Add a ``porcelain.Error`` object that most errors in porcelain
derive from. (Jelmer Vernooij)

* Fix argument parsing in dulwich command-line app.
(Jelmer Vernooij, 784)

* Add support for remembering remote refs after push/pull.
(Jelmer Vernooij, 752)

* Support passing tree and output encoding to
dulwich.patch.unified_diff. (Jelmer Vernooij, 763)

* Fix pushing of new refs over HTTP(S) when there are
no new objects to be sent.
(Jelmer Vernooij, 739)

* Raise new error HTTPUnauthorized when the server sends
back a 401. The client can then retry with credentials.
(Jelmer Vernooij, 691)

* Move the guts of bin/dulwich to dulwich.cli, so it is easier to
test or import. (Jelmer Vernooij)

* Install dulwich script from entry_points when setuptools is available,
making it slightly easier to use on Windows. (Jelmer Vernooij, 540)

* Set python_requires>=3.5 in setup.py. (Manuel Jacob)

* Brown bag release to fix uploads of Windows wheels.

* Publish binary wheels for: Windows, Linux, Mac OS X.
(Jelmer Vernooij, 711, 710, 629)

* Drop support for Python 2. (Jelmer Vernooij)

* Only return files from the loose store that look like git objects.
(Nicolas Dandrimont)

* Ignore agent= capability if sent by client.
(Jelmer Vernooij)

* Don't break when encountering block devices.
(Jelmer Vernooij)

* Decode URL paths in HttpGitClient using utf-8 rather than file system
encoding. (Manuel Jacob)

* Fix pushing from a shallow clone.
(Brecht Machiels, 705)