[PATCH v2 0/3] Improving performance of git clean

v1 of the patch can be found here:
http://thread.gmane.org/gmane.comp.version-control.git/266839/focus=266839

changes in v2:
* fixed commit message,
  "p7300: added performance tests for clean"
  change to:
  "p7300: add performance tests for clean"
* simplified test code
* removed non portable ls -A in test
* removed non portable $(seq ) in test
* fixed missing " || return $?" in test
* fixed missing sub shell for 'cd' command in test
* fixed broken && chains in test
* added assert new clean.c:is_git_repository to guard aginst
  negative array index
* use size_t instead of int for strbuf->len

fixes held back for cleanup patches:
* fixed existing broken && chains
* added assert in existing code to guard gainst
  negative array index

Thanks to Eric Sunshine and Torsten Bögershausen for the very helpful
review!


Erik Elfström (3):
  t7300: add tests to document behavior of clean and nested git
  p7300: add performance tests for clean
  clean: improve performance when removing lots of directories

 builtin/clean.c       | 24 ++++++++++++++---
 t/perf/p7300-clean.sh | 37 ++++++++++++++++++++++++++
 t/t7300-clean.sh      | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 129 insertions(+), 4 deletions(-)
 create mode 100755 t/perf/p7300-clean.sh

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2.4.0.rc0.37.ga3b75b3