format-check.sh

#!/bin/bash
mapfile -t files < <(git diff --name-only | grep "^.*\.(c|h|cpp|hpp|m|mm)$" -E)
dirtyfiles=()
pathtop=$(git rev-parse --show-toplevel)

for i in "${files[@]}"
do
   clang-format --dry-run -Werror $1 "$pathtop/$i" &>/dev/null
   if [[ $? != 0 ]]; then
     dirtyfiles+=( "$i" )
   fi
done


set +x
if [[ ${#dirtyfiles[@]} != 0 ]]; then
    echo "================================="
    echo "Files were not formatted properly"
    for i in "${files[@]}"; do echo $i; done
    echo "================================="
    exit 1
fi