#!/bin/bash

#

#  Copyright (C) 2018 Intel Corporation.

#  All rights reserved.

#

#  Redistribution and use in source and binary forms, with or without

#  modification, are permitted provided that the following conditions are met:

#  1. Redistributions of source code must retain the above copyright notice(s),

#     this list of conditions and the following disclaimer.

#  2. Redistributions in binary form must reproduce the above copyright notice(s),

#     this list of conditions and the following disclaimer in the documentation

#     and/or other materials provided with the distribution.

#

#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY EXPRESS

#  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO

#  EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY DIRECT, INDIRECT,

#  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

#  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

#  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

#  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE

#  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

ASTYLE_MIN_VER="3.1"

ASTYLE_OPT="--style=linux --indent=spaces=4 -S -r --max-continuation-indent=80 "

ASTYLE_OPT+="--max-code-length=80 --break-after-logical --indent-namespaces -z2 "

ASTYLE_OPT+="--align-pointer=name"

if ! ASTYLE=$(which astyle)

then

    echo "Package astyle was not found. Unable to check source files format policy." >&2

    exit 1

fi

ASTYLE_VER=$(astyle --version 2>&1 | awk '{print $NF}')

if (( $(echo "$ASTYLE_VER < $ASTYLE_MIN_VER" | bc -l) ));

then

    echo "Minimal required version of astyle is $ASTYLE_MIN_VER. Detected version is $ASTYLE_VER" >&2

    echo "Unable to check source files format policy." >&2

    exit 1

fi

$ASTYLE $ASTYLE_OPT ./*.c,*.cpp,*.h,*.hpp --exclude=jemalloc > astyle.out

if TEST=$(cat astyle.out | grep -c Formatted)

then

    cat astyle.out

    git --no-pager diff

    echo "Please fix style issues as shown above"

    exit 1

else

    echo "Source code is compliant with format policy. No style issues were found."

    exit 0

fi