tree 779da541198a99f0bee999e233710ea7328a39ee
parent 0000a472595978ee99840164118778e210acea6d
author Shawn Pearce <spearce@spearce.org> 1500912115 -0700
committer Shawn Pearce <spearce@spearce.org> 1501603570 -0700

reftable: resolve symbolic references

resolve(Ref) helps callers recursively chase symbolic references and
is a useful function when wrapping a Reftable inside a RefDatabase, as
RefCursor does not resolve symbolic references during iteration.

Change-Id: I1ba143f403773497972e225dc92c35ecb989e154