#!/bin/sh

set -e

progpath=$0
progname=$(basename $0)

os_name=$(lsb_release -is)
os_major_version=$(lsb_release -rs | sed -e 's/\..*$//')
el_name="el$os_major_version"

if [ $os_major_version -eq 5 ]; then
    repo_rpm_url=http://daqmw.kek.jp/rpm/${el_name}/noarch/kek-daqmiddleware-repo-2-0.noarch.rpm
    repo_rpm_url_testing=http://daqmw.kek.jp/testing/rpm/${el_name}/noarch/kek-daqmiddleware-testing-repo-2-0.${el_name}.noarch.rpm
else
    repo_rpm_url=http://daqmw.kek.jp/rpm/${el_name}/noarch/kek-daqmiddleware-repo-6-0.${el_name}.noarch.rpm
    repo_rpm_url_testing=http://daqmw.kek.jp/testing/rpm/${el_name}/noarch/kek-daqmiddleware-testing-repo-6-0.${el_name}.noarch.rpm
fi

repo_name=kek-daqmiddleware
repo_rpm_name=${repo_name}-repo
repo_name_testing=kek-daqmiddleware-testing
repo_rpm_name_testing=${repo_name_testing}-repo
enable_testing=no

case $os_name in
Scientific*)
    case $os_major_version in
        5)
            enable_dist_repo="--enablerepo=sl-base --enablerepo=sl-security" ;;
        6)
            enable_dist_repo="--enablerepo=sl --enablerepo=sl-security" ;;
    esac
    ;;
Cent*)
    enable_dist_repo="--enablerepo=base --enablerepo=updates" ;;
esac

# echo $enable_dist_repo

usage()
{
    cat <<EOF 1>&2
Usage: $progname [-T] [install | insatlldep | uninstall | distclean]

$progname install:    Setup repository configuration (if not yet) and install
                      DAQ-Middleware and its dependencies.
$progname installdep: Setup repository configuration (if not yet) and install
                      DAQ-Middleware dependencies.  DAQ-Middleware will NOT
                      be installed.
$progname uninstall:  Uninstall DAQ-Middleware and its dependencies.
                      Repository configuration remains.
$progname distclean:  Uninstall DAQ-Middleware, its dependencies and
                      repository configuration and its cache.
Option:
-T: enable testing DAQ-Middleware package
EOF
}

do_install()
{
    # first, clean up all rpms and repository configuration file
    do_distclean 

    # second, install repository configuration file and rpms
    rpm -ihv $repo_rpm_url
    if [ x"$enable_testing" = x"yes" ]; then
    	rpm -ihv $repo_rpm_url_testing
        yum -y --disablerepo='*' $enable_dist_repo --enablerepo=$repo_name_testing --enablerepo=$repo_name install DAQ-Middleware
    else
        yum -y --disablerepo='*' $enable_dist_repo --enablerepo=$repo_name install DAQ-Middleware
    fi
}

do_installdep()
{
    # first, clean up all rpms and repository configuration file
    do_distclean 

    # second, install repository configuration file and rpms
    rpm -ihv $repo_rpm_url
    yum -y --disablerepo='*' $enable_dist_repo --enablerepo=$repo_name install OpenRTM-aist xerces-c-devel xalan-c-devel
}

do_uninstall()
{
    local rpm_package
    local rpm_package_list

    rpm_package_list=$(sed -e '1,/^__DATA__/d' $progpath | sed -e '/^#/d')
    for rpm_package in $rpm_package_list; do
        rpm --quiet -q $rpm_package && \
        (echo -n "remove $rpm_package ..."; rpm -e $rpm_package; echo " done")
    done
    return 0
}

do_distclean()
{
    local arch
    local os_version

    # first, try to remove rpms except repository configuration file
    do_uninstall

    # second, try to remove repository configuration file
    rpm --quiet -q $repo_rpm_name && (echo -n "remove repo conf file ..."; rpm -e $repo_rpm_name; echo " done")

    rpm --quiet -q $repo_rpm_name_testing && (echo -n "remove repo conf file for testing..."; rpm -e $repo_rpm_name_testing; echo " done")

    # third, remove cache directory completely

    if [ $os_major_version -eq 5 ]; then
        rm -fr /var/cache/yum/$repo_name
        rm -fr /var/cache/yum/$repo_name_testing
    elif [ $os_major_version -eq 6 ]; then
        for i in $(find /var/cache/yum -name 'kek-daqmiddleware*' -type d); do
            rm -fr $i
        done
    else
        echo "unknown RHEL (derived) version: $os_major_version"
        exit 1
    fi
    return 0
}

TEMP=`getopt -o hT --long help -n "$progname" -- "$@"`

#if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
if [ $? != 0 ] ;then
    exit 1
fi

eval set -- "$TEMP"

while true ; do
    case "$1" in
        --help) usage; exit 0 ;;
        -h)     usage; exit 0 ;;
        -T)     enable_testing=yes; shift 1 ;;
        --) shift ; break ;;
        *) echo "Internal error!" ; exit 1 ;;
    esac
done

if [ $# -eq 0 ]; then
    usage
    exit 1
fi

command=$1

case $command in 
    install)    do_install;    ;;
    installdep) do_installdep; ;;
    uninstall)  do_uninstall;  ;;
    distclean)  do_distclean;  ;;
    *)          usage; exit 1  ;;
esac

# do not remove following exit to use __DATA__ section
exit

__DATA__
#
DAQ-Middleware
OpenRTM-aist
omniORB-bootscripts
xalan-c-devel
omniORB-devel
xalan-c
omniORB-servers
omniORB-utils
omniORB-doc
xerces-c-devel
xerces-c
omniORB