Hazel: Check for git changes

gistfile1.txt

# Update the index
git update-index -q --ignore-submodules --refresh
err=0

# Disallow unstaged changes in the working tree
if ! git diff-files --quiet --ignore-submodules --
then
    err=1
fi

# Disallow uncommitted changes in the index
if ! git diff-index --cached --quiet HEAD --ignore-submodules --
then
    err=1
fi

if [ $err = 1 ]
then
    exit 0
elif [ $err = 0]
then
	exit 1;
fi