tree 77fdfe1d3b761c2a7dc82d552f471a001be3e70d
parent 9932f47fd2d13c4c13f834c7a644d2551c7e7c7a
author Edwin Kempin <edwin.kempin@sap.com> 1435668859 +0200
committer Edwin Kempin <edwin.kempin@sap.com> 1437471603 +0200

Include '/a' into HTTP repository URLs to trigger authentication

Not having the '/a' prefix may lead to problems when a part of the
project is visible to Anonymous Users. In this case authentication is
never triggered. This is because for HTTP the first request is always
anonymous and then the server must say that authentication is
required. Only then the client can send user credrentials. If a
project is (partly) visible to Anonymous Users then the first
anonymous request is always successful and authentication never
happens. If the user is not authenticated refs which are not visible
to Anonymous Users, but for which the user has read access, are not
visible. As result the importer plugin cannot fetch these refs and
fails during the import with a NullPointerException when the ref for a
change cannot be found. Often the 'refs/meta/config' branch is
affected since this branch is normally not visible for Anonymous
Users.

With this change Gerrit 2.11.2 is required as minimal version on the
source Gerrit server. The handling of '/a' was fixed by commit
91643418. For earlier Gerrit versions fetching with the '/a' prefix
fails.

Change-Id: I483cffded0dfe3077d4cf95d6002900a9837ff9a
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>