Re: [PATCH v4 0/6] convert various shell functions in git-bisect to C

Some minor nits. Previous version can be found here[1].

[1]: http://thread.gmane.org/gmane.comp.version-control.git/298263

The inter-diff is :
...

diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c

...
Pranit Bauva (6):
  bisect--helper: `bisect_clean_state` shell function in C
  t6030: explicitly test for bisection cleanup
  wrapper: move is_empty_file() and rename it as
    is_empty_or_missing_file()
  bisect--helper: `bisect_reset` shell function in C
  bisect--helper: `is_expected_rev` & `check_expected_revs` shell
    function in C
  bisect--helper: `bisect_write` shell function in C

 builtin/am.c                |  20 +---
 builtin/bisect--helper.c    | 220 +++++++++++++++++++++++++++++++++++++++++++-
 cache.h                     |   3 +
 git-bisect.sh               |  97 ++-----------------
 t/t6030-bisect-porcelain.sh |  17 ++++
 wrapper.c                   |  13 +++
 6 files changed, 261 insertions(+), 109 deletions(-)