tree 18609cbdabc36aa93401371d756c859640436429
parent 87cbb2518036439380c870d986b8a3649c74333b
author Dave Borowitz <dborowitz@google.com> 1397865705 -0700
committer Dave Borowitz <dborowitz@google.com> 1397865705 -0700

Redirect to normalized versions of parent revision expressions

Repeatedly clicking the "parent" link in a commit page can result in
amusing but unhelpful URLs like "/+/master^^^^^^^^^^^^". Avoid such
URLs by detecting when a revision is a parent expression, and sending
a 302 redirect to the absolute revision.

Change-Id: I8aec460a99eba581052e0319069eacd8f3e2e743