Commit 19fa2bc111d50dc2bafb1393b87b5ba119615ae2

Russell Belfer 2012-04-17T15:12:50

Convert attrs and diffs to use string pools This converts the git attr related code (including ignores) and the git diff related code (and implicitly the status code) to use `git_pools` for storing strings. This reduces the number of small blocks allocated dramatically.