#!/bin/bash
error=0
for f in $*; do
    changes=$(clang-format -output-replacements-xml "$f" | grep -c '^<replacement '; exit ${PIPESTATUS[0]})
    if [ "$?" -ne "0" ]; then
        echo "clang-format failed"
        exit 1
    fi
    if test "$changes" -gt 0; then
        echo "$f ... $changes changes needed"
        error=1
    fi
done
exit $error