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#!/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 "Run"
  echo "uncrustify --no-backup -c uncrustify.cfg ${crustified}"
  echo "before commiting."
fi
exit $RET