tree 640a1d4ece6f1a41741d503e9f8adc2c0383393c
parent 24a0f47e32ab7cdf20c2201d7100599ea057f8a3
author Kevin Sawicki <kevin@github.com> 1337637623 -0700
committer Kevin Sawicki <kevin@github.com> 1338238874 -0700

Update smudged entries when writing index

Overload DirCache.lock to take a repository that is
used for updating smudged index entries with information
from the repository's working tree.

New unit tests are also added for updating smudged index
entries on reset, checkout, and commit.

Change-Id: I88689f26000e4e57e77931e5ace7c804d92af1b6