#!/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.
#
if git rev-parse --verify HEAD >/dev/null 2>&1
then
    AGAINST=HEAD
else
    # Initial commit: diff against an empty tree object
    AGAINST=4b825dc642cb6eb9a060e54bf8d69288fbee4904
fi

FILES=$(git diff --cached --name-only $AGAINST);
for FILE in $FILES; do
   STAT="$(stat -f  "%A" $FILE)"
   if [ "$STAT" -ne "644" ] ; then
       echo "git pre-commit check failed: file $FILE should be 644 not $STAT"
       STATUS=1
   fi
done

exit $STATUS