#!/bin/sh
#
# opal_get_version is created from opal_get_version.m4 and opal_get_version.m4sh.
#
# Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
#                         University Research and Technology
#                         Corporation.  All rights reserved.
# Copyright (c) 2004-2005 The University of Tennessee and The University
#                         of Tennessee Research Foundation.  All rights
#                         reserved.
# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
#                         University of Stuttgart.  All rights reserved.
# Copyright (c) 2004-2005 The Regents of the University of California.
#                         All rights reserved.
# Copyright (c) 2008-2015 Cisco Systems, Inc.  All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#



# OPAL_GET_VERSION(version_file, variable_prefix)
# -----------------------------------------------
# parse version_file for version information, setting
# the following shell variables:
#
#  prefix_VERSION
#  prefix_BASE_VERSION
#  prefix_MAJOR_VERSION
#  prefix_MINOR_VERSION
#  prefix_RELEASE_VERSION
#  prefix_GREEK_VERSION
#  prefix_REPO_REV
#  prefix_TARBALL_VERSION
#  prefix_RELEASE_DATE



srcfile="$1"
option="$2"

if test -z "$srcfile"; then
    option="--help"
else

        if test -f "$srcfile"; then
        srcdir=`dirname $srcfile`
        opal_vers=`sed -n "
        t clear
        : clear
        s/^major/OPAL_MAJOR_VERSION/
        s/^minor/OPAL_MINOR_VERSION/
        s/^release/OPAL_RELEASE_VERSION/
        s/^greek/OPAL_GREEK_VERSION/
        s/^repo_rev/OPAL_REPO_REV/
        s/^tarball_version/OPAL_TARBALL_VERSION/
        s/^date/OPAL_RELEASE_DATE/
        t print
        b
        : print
        p" < "$srcfile"`
        eval "$opal_vers"

        OPAL_VERSION="$OPAL_MAJOR_VERSION.$OPAL_MINOR_VERSION.$OPAL_RELEASE_VERSION"
        OPAL_VERSION="${OPAL_VERSION}${OPAL_GREEK_VERSION}"

        if test "$OPAL_TARBALL_VERSION" = ""; then
            OPAL_TARBALL_VERSION=$OPAL_VERSION
        fi



        # If repo_rev was not set in the VERSION file, then get it now
        if test "$OPAL_REPO_REV" = ""; then
            # See if we can find the "git" command.
            git_happy=0
            git --version > /dev/null 2>&1
            if test $? -eq 0; then
                git_happy=1
            fi

            # If we're in a git repo and we found the git command, use
            # git describe to get the repo rev
            if test -r "$srcdir/.git" && test $git_happy -eq 1; then
                if test "$srcdir" != "`pwd`"; then
                    git_save_dir=`pwd`
                    cd "$srcdir"
                    OPAL_REPO_REV=`git describe --tags --always`
                    cd "$git_save_dir"
                    unset git_save_dir
                else
                    OPAL_REPO_REV=`git describe --tags --always`
                fi
            else
                OPAL_REPO_REV=`$srcdir/config/getdate.sh '+%Y-%m-%d'`
            fi
        fi


    fi


    if test "$option" = ""; then
        option="--full"
    fi
fi

case "$option" in
    --full|-v|--version)
        echo $OPAL_VERSION
        ;;
    --major)
        echo $OPAL_MAJOR_VERSION
        ;;
    --minor)
        echo $OPAL_MINOR_VERSION
        ;;
    --release)
        echo $OPAL_RELEASE_VERSION
        ;;
    --greek)
        echo $OPAL_GREEK_VERSION
        ;;
    --repo-rev)
        echo $OPAL_REPO_REV
        ;;
    --tarball)
        echo $OPAL_TARBALL_VERSION
        ;;
    --release-date)
        echo $OPAL_RELEASE_DATE
        ;;
    --all)
        echo ${OPAL_VERSION} : ${OPAL_MAJOR_VERSION} : ${OPAL_MINOR_VERSION} : ${OPAL_RELEASE_VERSION} : ${OPAL_GREEK_VERSION} : ${OPAL_REPO_REV} : ${OPAL_TARBALL_VERSION}
        ;;
    -h|--help)
        cat <<EOF
$0 <srcfile> <option>

<srcfile> - Text version file
<option>  - One of:
    --full         - Full version number
    --major        - Major version number
    --minor        - Minor version number
    --release      - Release version number
    --greek        - Greek (alpha, beta, etc) version number
    --repo-rev     - Repository version
    --tarball      - Show tarball filename version string
    --all          - Show all version numbers, separated by :
    --release-date - Show the release date
    --help         - This message
EOF
        ;;
    *)
        echo "Unrecognized option $option.  Run $0 --help for options"
        ;;
esac

# All done

exit 0