tree 39f0fcdd11cf31d62f9ce9e202125988e1fcf5c2
parent 91a9591253fc157527f8f09b8f5642ec32f5bdde
author Ronald Bhuleskar <funronald@google.com> 1623278469 -0700
committer Ronald Bhuleskar <funronald@google.com> 1623428952 -0400

Teach independent negotiation (no pack file) using an option "wait-for-done"

From Git commit 9c1e657a8f:
  Currently, the packfile negotiation step within a Git fetch cannot be
  done independent of sending the packfile, even though there is at
  least one application wherein this is useful - push negotiation.
  Therefore, make it possible for this negotiation step to be done
  independently.

  This feature is for protocol v2 only.

  In the protocol, the main hindrance towards independent negotiation is
  that the server can unilaterally decide to send the packfile. This is
  solved by a "wait-for-done" argument: the server will then wait for
  the client to say "done". In practice, the client will never say it;
  instead it will cease requests once it is satisfied.

Advertising the server capability option "wait-for-done" is behind the
transport config: uploadpack.advertisewaitfordone, which by default is
false.

Change-Id: I5ebd3e99ad76b8943597216e23ced2ed38eb5224