#!/bin/sh

#

# Licensed to the Apache Software Foundation (ASF) under one or more

# contributor license agreements.  See the NOTICE file distributed with

# this work for additional information regarding copyright ownership.

# The ASF licenses this file to You under the Apache License, Version 2.0

# (the "License"); you may not use this file except in compliance with

# the License.  You may obtain a copy of the License at

#

#     http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

#

# extract version numbers from a header file

#

# USAGE: get-version.sh CMD VERSION_HEADER PREFIX

#   where CMD is one of: all, major, libtool

#   where PREFIX is the prefix to {MAJOR|MINOR|PATCH}_VERSION defines

#

#   get-version.sh all returns a dotted version number

#   get-version.sh major returns just the major version number

#   get-version.sh libtool returns a version "libtool -version-info" format

#

if test $# != 3; then

  echo "USAGE: $0 CMD INCLUDEDIR PREFIX"

  echo "  where CMD is one of: all, major"

  exit 1

fi

major_sed="/#define.*$3_MAJORVERSION/s/^.*\([0-9][0-9]*\).*$/\1/p"

minor_sed="/#define.*$3_MINORVERSION/s/^.*\([0-9][0-9]*\).*$/\1/p"

patch_sed="/#define.*$3_PATCHLEVEL/s/^[^0-9]*\([0-9][0-9a-z-]*\).*$/\1/p"

mmn_sed="/#define.*$3_MAJOR/s/^[^0-9]*\([0-9][0-9]*\).*$/\1/p"

major="`sed -n $major_sed $2`"

minor="`sed -n $minor_sed $2`"

patch="`sed -n $patch_sed $2`"

mmn="`sed -n $mmn_sed $2`"

if test "$1" = "all"; then

  echo ${major}.${minor}.${patch}

elif test "$1" = "major"; then

  echo ${major}

elif test "$1" = "mmn"; then

  echo ${mmn}

elif test "$1" = "epoch"; then

  printf "%02d%02d%03d" ${major} ${minor} ${patch}

elif test "$1" = "libtool"; then

  # Yes, ${minor}:${patch}:${minor} is correct due to libtool idiocy.

  echo ${minor}:${patch}:${minor}

else

  echo "ERROR: unknown version CMD ($1)"

  exit 1

fi