view CONTRIBUTING @ 34364:ff406f3e57b2

exchange: perform stream clone with clone bundle with --uncompressed

Previously, `hg clone --uncompressed` would always clone from the
origin server, even if a streaming clone bundle were available.

With this change, we invoke the clone bundle mechanism before the
stream clone mechanism, giving clone bundles the opportunity to
handle --uncompressed (which is mapped to pullop.streamclonepreferred).

The clone bundle filtering code now filters out entries that aren't
stream clones when a stream clone is requested. If a stream clone
clone bundle entry is present, it will be used. Otherwise, the client
will fall back to a server-based streaming clone.

.. feature::

   `hg clone --uncompressed` uses clone bundles when possible

Differential Revision: https://phab.mercurial-scm.org/D833

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