So these four patches end up adding support for conditionally enabling 
fsync() on loose object creation in the .gitconfig file with something 
like

	[core]
		FsyncObjectFiles = true

which can be useful on filesystems that don't already guarantee data 
consistency for other reasons (whether due to ordered writes or due to 
full data journalling).

Actually, just the last one adds the fairly trivial feature, the three 
first patches are just cleanups of the config parsing that I needed in 
order to not gouge my eyes out when looking at the code. The config file 
parser is kind of ad-hoc and people have added more and more options to it 
without ever trying to clean it up, and I refuse to do that.

The full patch-series is

  Split up default "core" config parsing into helper routine
  Split up default "user" config parsing into helper routine
  Split up default "i18n" and "branch" config parsing into helper
    routines
  Add config option to enable 'fsync()' of object files

resulting in the following diffstat:

 Documentation/config.txt |    8 ++++
 cache.h                  |    1 +
 config.c                 |   82 ++++++++++++++++++++++++++++++++++-----------
 environment.c            |    1 +
 sha1_file.c              |    3 +-
 5 files changed, 74 insertions(+), 21 deletions(-)

and the patches themselves will follow..

			Linus
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