tree 0f0d50841473838ab237a788ef0c45da9dc328a9
parent 0af1630672c20c57b4f10c2afba2264516562918
author Ruben Vermeersch <ruben@rocketeer.be> 1409153033 +0200
committer Ruben Vermeersch <ruben@rocketeer.be> 1409153033 +0200

Cache homedir between invocations.

The homedir of a user doesn't change anyway. Massively speeds up the
case where $HOME isn't set.

Before: BenchmarkDir    1000         2571286 ns/op
After:  BenchmarkDir    1000000000   2.77 ns/op