tree c2ab4763c01da72c5ee1d0c28487b0e36b39597a
parent 77e2bb1b1744141dfa1bd69115ccb295169a7cdd
author Marcin Czech <maczech@gmail.com> 1638885973 +0100
committer Marcin Czech <maczech@gmail.com> 1639507184 +0100

Reuse Gerrit code for head update

To avoid code duplication and to make sure that head update is done
correctly replace pull-replication custom code with the code from Gerrit
core.

Bug: Issue 15396
Change-Id: Ic49b731a8e5394ead3a4d36134db7a38f068718d