Site administrators can alias 'has' operands from a plugin using the
'has-operand-alias' section and 'change' subsection in gerrit.config
[has-operand-alias change]
oldtopic = topic
Aliases are already supported for SSH commands [1], URLs [2] and
Operators [3]
This feature is particularly useful to alias 'has' operands (which may
be long and clunky as they include a plugin name in them) to shorter
operands without the plugin name. Admins should take care to choose
shorter operands that are unique and unlikely to conflict in the future.
Aliases are resolved dynamically at invocation time to the currently
loaded version of plugins. If a referenced plugin is not loaded, or does
not define the command, "unsupported operand" is returned to the user.
Aliases will override existing 'has' operands. In case of multiple
aliases with same name, the last one defined will be used.
When the target of an alias does not exist, the 'has' operand with the
name of the alias will be used (if present). This enables an admin to
configure the system to override a core 'has' operand with an operand
provided by a plugin when present and otherwise fall back to the 'has'
operand provided by core.
The above three features can make aliases useful for cases of moving
functionality from Gerrit core to plugins and vice versa.
[1]
https://gerrit-review.googlesource.com/Documentation/config-gerrit.html#ssh-alias
[2]
https://gerrit-review.googlesource.com/Documentation/config-gerrit.html#urlAlias
[3]
https://gerrit-review.googlesource.com/Documentation/config-gerrit.html#operator-alias
Change-Id: Ifbd4f05079d8bf5eadd497d8e16e0bff203e6021
a6d49fb351