Mike Percy has submitted this change and it was merged.

Change subject: Add some path / env related helper functions
......................................................................


Add some path / env related helper functions

* path_util: Add SplitPath() helper function

  This function provides a (theoretically) portable method of splitting
  a filesystem path into its constituent components.

* env: Add GetCurrentWorkingDir() and ChangeDir()

  These are functions that were missing from our Env implementation.

* env_util: Implement CreateDirsRecursively()

  This function is similar in spirit to the "mkdir -p" command.

  Also reordered a few includes and deleted a few lines of commented-out code.

Change-Id: Ia664708a09493923abbf2ff4e56e3d49c62cf97e
Reviewed-on: http://gerrit.cloudera.org:8080/5618
Reviewed-by: Adar Dembo <[email protected]>
Tested-by: Mike Percy <[email protected]>
---
M src/kudu/util/env-test.cc
M src/kudu/util/env.h
M src/kudu/util/env_posix.cc
M src/kudu/util/env_util-test.cc
M src/kudu/util/env_util.cc
M src/kudu/util/env_util.h
M src/kudu/util/path_util-test.cc
M src/kudu/util/path_util.cc
M src/kudu/util/path_util.h
9 files changed, 176 insertions(+), 11 deletions(-)

Approvals:
  Mike Percy: Verified
  Adar Dembo: Looks good to me, approved



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Gerrit-MessageType: merged
Gerrit-Change-Id: Ia664708a09493923abbf2ff4e56e3d49c62cf97e
Gerrit-PatchSet: 5
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Mike Percy <[email protected]>
Gerrit-Reviewer: Adar Dembo <[email protected]>
Gerrit-Reviewer: Dinesh Bhat <[email protected]>
Gerrit-Reviewer: Lars Volker <[email protected]>
Gerrit-Reviewer: Mike Percy <[email protected]>
Gerrit-Reviewer: Tidy Bot
Gerrit-Reviewer: Todd Lipcon <[email protected]>

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