Document that for system groups and external groups UUID must be used for skipGroup

Specified group names are resolved through the group index but the group
index only contains Gerrit internal groups. Hence if names of system
groups or external groups are used they cannot be resolved and the
skipGroup setting has no effect.

Change-Id: I586270aaf24eca4bdae663d060a23716f0839095
Signed-off-by: Edwin Kempin <ekempin@google.com>
1 file changed