update-hook for

update

#!/bin/bash
# This hook checks for whitespace problems and rejects pushing them (even with --force).
# Put this in the ./hooks/ directory on your (server-)repository.
# With the core.whitespace-attribute in your git-configuration you can control for which
# problems it should check (see http://www.git-scm.com/docs/git-config for possible values).
echo "Checking for whitespace problems introduced between $2 and $3"
git diff --check $2 $3
exit `git diff --check $2 $3 | wc -l`