git pre-commit hook to cleanup whitespace #git

pre-commit

#!/bin/sh

# Clean up whitespace in any modified files.

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