gistfile1.sh

#!/bin/sh
#
# An example hook script to verify what is about to be committed.
# Called by git-commit with no arguments.  The hook should
# exit with non-zero status after issuing an appropriate message if
# it wants to stop the commit.
#
# To enable this hook, rename this file to "pre-commit".

if git-rev-parse --verify HEAD > /dev/null
then
	against=HEAD
else
	# Initial commit: diff against an empty tree object
	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
fi

old_IFS=$IFS
IFS=$'\n'
 
for FILE in `git-diff-index --check --cached $against 2>&1 | sed '/^[\*\+]/d' | sed 's/:.*//' | uniq` ; do 
  sed -ie 's/[[:space:]]*$//' $FILE
  rm $FILE"e"
  git add $FILE
done

IFS=$old_IFS

exit 0