#!/bin/sh

# use as .git/hooks/pre-commit

exec 1>&2

RET=0
changed=$(git diff --cached --name-only)
crustified=""

for f in $changed;
do
 if echo $f | grep \\.[c,h]\$ > /dev/null
 then
    # compare result of uncrustify with changes
    #
    # only change any of the invocations here if
    # they are portable across all cmp and shell
    # implementations !
    uncrustify -q -c uncrustify.cfg -f $f | cmp -s $f -
    if test $? = 1 ;
    then
      crustified=" $crustified $f"
      RET=1
    fi
  fi
done

if [ $RET = 1 ];
then
  echo "================================================================"
  echo " Your changes are ugly!                                         "
  echo " Uncrustify your code in your next commit.                      "
  echo " See https://docs.gnunet.org/latest/developers/style.html#coding-style "
  echo "================================================================"
fi
# Do not fail
exit 0