#!/bin/sh

[ "$V" = "1" ] && set -x

SELFDIR=$(readlink -f $(dirname $0))
CFG=${SELFDIR}/uncrustify.cfg
UNCRUSTIFY=${UNCRUSTIFY:-uncrustify}
SRCDIR=${SRCDIR:-$(readlink -f ${SELFDIR}/../src ${SELFDIR}/../test | \
                       tr '\n' ' ')}

FILES=$(find $SRCDIR -name '*.vala')
if [ "$FILES" = "" ]; then
    echo "no relevant source files found in $SRCDIR"
    exit 1
fi

cmd=$1
case "$cmd" in
    check)
        echo "-- uncrustify version $(${UNCRUSTIFY} --version)"
        ${UNCRUSTIFY} -c ${CFG} --check -q $FILES
    ;;
    apply|fix)
        ${UNCRUSTIFY} -c ${CFG} --replace $FILES
        ;;
    help|-h|--help)
        echo "Usage:"
        echo "   $(basename $0) <command>"
        echo
        echo "Commands:"
        echo "    check     - check if source code is properly formatted"
        echo "                exit code will be non-0 if code is badly formatted"
        echo "    fix       - fix formatting"
        echo "    help      - show this message"
        echo
        echo "Environment variables:"
        echo "  UNCRUSTIFY - override path to 'uncrustify' tool, default: $UNCRUSTIFY"
        echo "  SRCDIR     - override path to source directory, default: $SRCDIR"
        ;;
    *)
        echo "unsupported command $cmd, see --help"
        ;;
esac