#!/usr/bin/bash

# Copyright (C) 2007, 2009 Apple Inc.  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, this list of conditions and the following disclaimer.

# 2. Redistributions in binary form must reproduce the above copyright

#    notice, this list of conditions and the following disclaimer in the

#    documentation and/or other materials provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. OR

# CONTRIBUTORS 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. 

# Trim any trailing \r or \n from the given variable.

chomp()

{

    local old_value=$(eval echo "\$$1");

    local value=$(echo "$old_value" | sed 's/[\r\n]*$//')

    eval $1=\$value;

}

if [[ -n "$WEBKITLIBRARIESDIR" ]]; then

    FALLBACK_VERSION_PATH=`cygpath -u "$WEBKITLIBRARIESDIR\\tools\\scripts\\VERSION"`

    FALLBACK_VERSION=$(cat "$FALLBACK_VERSION_PATH");

    COPYRIGHT_END_YEAR_PATH=`cygpath -u "$WEBKITLIBRARIESDIR\\tools\\scripts\\COPYRIGHT-END-YEAR"`

    COPYRIGHT_END_YEAR=$(cat "$COPYRIGHT_END_YEAR_PATH");

    chomp COPYRIGHT_END_YEAR

fi

OUTPUT_FILE=$(cygpath -u "$1")/include/autoversion.h

mkdir -p "$(dirname "$OUTPUT_FILE")"

# Take the initial version number from RC_PROJECTSOURCEVERSION if it

# exists, otherwise fall back to the version number stored in the source.

ENVIRONMENT_VERSION="$RC_PROJECTSOURCEVERSION";

PROPOSED_VERSION=${ENVIRONMENT_VERSION:-$FALLBACK_VERSION}

chomp PROPOSED_VERSION

# Split out the three components of the dotted version number.  We pad

# the input with trailing dots to handle the case where the input version

# has fewer components than we expect.

BUILD_MAJOR_VERSION=$(echo "$PROPOSED_VERSION.." | cut -d '.' -f 1)

BUILD_MINOR_VERSION=$(echo "$PROPOSED_VERSION.." | cut -d '.' -f 2)

BUILD_TINY_VERSION=$(echo "$PROPOSED_VERSION.." | cut -d '.' -f 3)

# Cut the major component down to three characters by dropping any

# extra leading digits, then adjust the major version portion of the

# version string to match.

CHARACTERS_TO_DROP=$(( ${#BUILD_MAJOR_VERSION} > 3 ? ${#BUILD_MAJOR_VERSION} - 3 : 0 ))

BUILD_MAJOR_VERSION=${BUILD_MAJOR_VERSION:$CHARACTERS_TO_DROP}

PROPOSED_VERSION=${PROPOSED_VERSION:$CHARACTERS_TO_DROP}

# Have the minor and tiny components default to zero if not present.

BUILD_MINOR_VERSION=${BUILD_MINOR_VERSION:-0}

BUILD_TINY_VERSION=${BUILD_TINY_VERSION:-0}

# Split the first component further by using the first digit for the

# major version and the remaining two characters as the minor version.

# The minor version is shifted down to the tiny version, with the tiny

# version becoming the variant version.

MAJOR_VERSION=${BUILD_MAJOR_VERSION:0:1}

MINOR_VERSION=${BUILD_MAJOR_VERSION:1}

TINY_VERSION=${BUILD_MINOR_VERSION}

VARIANT_VERSION=${BUILD_TINY_VERSION}

VERSION_TEXT=${PROPOSED_VERSION}

VERSION_TEXT_SHORT=${VERSION_TEXT}

if [ -z ${ENVIRONMENT_VERSION} ]; then

    # If we didn't pull the version number from the environment then we're doing

    # an engineering build and we'll stamp the build with some more information.

    BUILD_DATE=$(date)

    SVN_REVISION=$(svn info | grep '^Revision' | sed 's/^Revision: //')

    chomp BUILD_DATE

    chomp SVN_REVISION

    VERSION_TEXT_SHORT="${VERSION_TEXT_SHORT}+"

    VERSION_TEXT="${VERSION_TEXT_SHORT} ${USER} - ${BUILD_DATE} - r${SVN_REVISION}"

fi

cat > "$OUTPUT_FILE" <<EOF

#define __VERSION_TEXT__ "${VERSION_TEXT}"

#define __BUILD_NUMBER__ "${VERSION_TEXT}"

#define __BUILD_NUMBER_SHORT__ "${VERSION_TEXT_SHORT}"

#define __VERSION_MAJOR__ ${MAJOR_VERSION}

#define __VERSION_MINOR__ ${MINOR_VERSION}

#define __VERSION_TINY__ ${TINY_VERSION}

#define __VERSION_BUILD__ ${VARIANT_VERSION}

#define __BUILD_NUMBER_MAJOR__ ${BUILD_MAJOR_VERSION}

#define __BUILD_NUMBER_MINOR__ ${BUILD_MINOR_VERSION}

#define __BUILD_NUMBER_VARIANT__ ${BUILD_TINY_VERSION}

#define __SVN_REVISION__ ${SVN_REVISION}

EOF

if [[ -n "${COPYRIGHT_END_YEAR}" ]]; then

cat >> "$OUTPUT_FILE" <<EOF

#define __COPYRIGHT_YEAR_END_TEXT__ "${COPYRIGHT_END_YEAR}"

EOF

fi