#########################################################################
#
# Subroutine for the 'build' command
#
#########################################################################
#
# Copyright Rainer Wichmann (2005)
#
# License Information:
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#

commandBUILD() {
    printINFO "About to run \"$action\""

    if test -d "${basedir}/archpkg/${arch}"
    then
	:
    else
	if test -d "${basedir}/archpkg"
	then
	    if test x"$simulate" = x0
	    then
	        mkdir "${basedir}/archpkg/${arch}"
	    else
		printINFO "mkdir ${basedir}/archpkg/${arch}"
            fi
	else
	    if test x"$simulate" = x0
	    then
	        mkdir "${basedir}/archpkg" && mkdir "${basedir}/archpkg/${arch}"
	    else
		printINFO "mkdir ${basedir}/archpkg && mkdir ${basedir}/archpkg/${arch}"
	    fi
        fi
    fi

    if test -f "${basedir}/configs/${arch}.configure"
    then
	:
    else
	printFATAL "Configure options file ${basedir}/configs/${arch}.configure not found."
    fi

    local_test=`cat "${basedir}/configs/${arch}.configure" | tr -d '\n' | egrep "^ *'?--with-logserver=FQDN_MISSING"`
    if test x"${local_test}" = x
    then
	:
    else
	printFATAL "Your configuration file has a bad --with-logserver option."
    fi

    if test x"$bd_packed" = x
    then
	printINFO "Building version: ${src_version}, host: ${host}, os: ${arch}, format: ${format}"
    else
	printINFO "Building version: ${src_version}, host: ${host}, os: ${arch}, format: ${format}, packed: password=${bd_packed}"
    fi

    tmpdir=`eval echo "${temp_dir}/sh_${src_version}_${arch}_${format}_$$"`

    #---------------------------------------------------------------------
    # Create temporary build directory on build host.
    #---------------------------------------------------------------------
    if test x"$simulate" = x0
    then
        ssh -x -l "${bd_user}" "${host}" '(umask 0077; mkdir "'${tmpdir}'")'
    else
	printINFO "ssh -x -l ${bd_user} ${host} (umask 0077; mkdir ${tmpdir})"
    fi
    if test x"$?" != x0
    then
	printFATAL "Could not create temporary build directory on host ${host}."
    else
	printLOG "Build directory ${tmpdir} created on host ${host}"
    fi

    #---------------------------------------------------------------------
    # Copy source tarball to build host.
    #---------------------------------------------------------------------
    if test x"$simulate" = x0
    then
        rm -f "${basedir}/tmp/samhain-${src_version}.tar"
        gunzip -c "${basedir}/source/samhain-${src_version}.tar.gz" > "${basedir}/tmp/samhain-${src_version}.tar"
    else
        printINFO "rm -f ${basedir}/tmp/samhain-${src_version}.tar"
        printINFO "gunzip -c ${basedir}/source/samhain-${src_version}.tar.gz > ${basedir}/tmp/samhain-${src_version}.tar"
    fi
    if test x"$?" != x0
    then
	printFATAL "Could not gunzip source to ${basedir}/tmp/samhain-${src_version}.tar."
    fi

    if test x"$simulate" = x0
    then
        if test x"$silent" = x0
        then
	    scp "${basedir}/tmp/samhain-${src_version}.tar" "${bd_user}@${host}:${tmpdir}/"
        else
	    scp -q "${basedir}/tmp/samhain-${src_version}.tar" "${bd_user}@${host}:${tmpdir}/"
        fi
    else
        if test x"$silent" = x0
        then
	    printINFO "scp ${basedir}/tmp/samhain-${src_version}.tar ${bd_user}@${host}:${tmpdir}/"
        else
	    printINFO "scp -q ${basedir}/tmp/samhain-${src_version}.tar ${bd_user}@${host}:${tmpdir}/"
        fi
    fi
    if test x"$?" != x0
    then
	printFATAL "Could not copy source to host ${host}."
    else
	printINFO "Source copied to host ${host}."
    fi

    #---------------------------------------------------------------------
    # Build the package.
    #---------------------------------------------------------------------
    if test x"$silent" = x0
    then
        config_com='./configure'
    else
        config_com='./configure --silent'
    fi

    if test -f "${basedir}/configs/${arch}.configure"
    then
	while read line
	do 
	    if test -z "`echo $line | awk '/^#/'`"
	    then
		nline=`echo ${line} | tr -d '\n'`
		config_com="${config_com} ${nline}"
	    fi
	done <"${basedir}/configs/${arch}.configure"
    else
	printFATAL "Configure options file ${basedir}/configs/${arch}.configure not found."
    fi

    printINFO "configure command is ${config_com}"
    if test x"$bd_packed" = x
    then
	command="make clean"
    else
	command="make CLIENTPASSWD=${bd_packed} samhain-packed"
    fi


    command=`eval echo $command`;

    if test x"$simulate" = x0
    then
        if test $silent -lt 2
        then
	    ssh -x -l "${bd_user}" "${host}" /bin/sh -c \''(PATH="'/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:${PATH}:${bd_addpath}'" && export PATH && cd "'${tmpdir}'" && tar -xf "'samhain-${src_version}.tar'" && cd "'samhain-${src_version}'" && eval "'${config_com}'" && eval "'${command}'" && make "'${format}-light'")'\'
        else
	    ssh -x -l "${bd_user}" "${host}" /bin/sh -c \''(PATH="'/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:${PATH}:${bd_addpath}'" && export PATH && cd "'${tmpdir}'" && tar -xf "'samhain-${src_version}.tar'" && cd "'samhain-${src_version}'" && eval "'${config_com}'" && eval "'${command}'" && make "'${format}-light'") >/dev/null'\'
        fi
    else
        if test $silent -lt 2
        then
	    printINFO "ssh -x -l ${bd_user} ${host} /bin/sh -c '(PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:\${PATH}:${bd_addpath} && export PATH && cd ${tmpdir} && tar -xf samhain-${src_version}.tar && cd samhain-${src_version} && eval ${config_com} && eval ${command} && make ${format}-light)'"
        else
	    printINFO "ssh -x -l ${bd_user} ${host} /bin/sh -c '(PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:\${PATH}:${bd_addpath} && export PATH && cd ${tmpdir} && tar -xf samhain-${src_version}.tar && cd samhain-${src_version} && eval ${config_com} && eval ${command} && make ${format}-light) >/dev/null'"
        fi
    fi

    if test x"$?" != x0
    then
	printFATAL "Could not build package on host ${host}."
    else
	printINFO "Source compiled."
    fi

    #---------------------------------------------------------------------
    # Fetch package and remove temporary build directory on build host.
    #---------------------------------------------------------------------
    realformat=`echo $format | sed s,solaris-,,`

    if test x"$simulate" = x0
    then
        ssh -x -l "${bd_user}" "${host}" '(cat "'${tmpdir}/samhain-${src_version}/samhain-install.sh'")' >"${basedir}/archpkg/${arch}/install-${src_version}.${realformat}"
    else
        printINFO "ssh -x -l ${bd_user} ${host} (cat ${tmpdir}/samhain-${src_version}/samhain-install.sh) >${basedir}/archpkg/${arch}/install-${src_version}.${realformat}"
    fi

    if test x"$?" != x0
    then
	printFATAL "Could not fetch samhain-install.sh script from host ${host}."
    fi
    chmod +x "${basedir}/archpkg/${arch}/install-${src_version}.${realformat}"

    if test x"$simulate" = x0
    then
        ssh -x -l "${bd_user}" "${host}" '(cat "'${tmpdir}/samhain-${src_version}/samhain-${src_version}.${realformat}'" && rm -rf "'${tmpdir}'")' >"${basedir}/archpkg/${arch}/samhain-${src_version}.${realformat}"
    else
        printINFO "ssh -x -l ${bd_user} ${host} (cat ${tmpdir}/samhain-${src_version}/samhain-${src_version}.${realformat} && rm -rf ${tmpdir}) >${basedir}/archpkg/${arch}/samhain-${src_version}.${realformat}"
    fi
    if test x"$?" != x0
    then
	printFATAL "Could not fetch package samhain-${src_version}.${realformat} from host ${host}."
    else
	printLOG "Build directory ${tmpdir} deleted on host ${host}."
    fi
    chmod +x "${basedir}/archpkg/${arch}/samhain-${src_version}.${realformat}"

    if test x"$simulate" = x0
    then
        pkgsize=`ls -l "${basedir}/archpkg/${arch}/samhain-${src_version}.${realformat}" | awk '{print $5}'`
        if test "x$pkgsize" = "x0"; then
	    printFATAL "Returned package file is empty."
        fi
    else
	printINFO "ls -l ${basedir}/archpkg/${arch}/samhain-${src_version}.${realformat} | awk '{print $5}'"
    fi

    # >> Save password
    #
    if test x"$bd_packed" = x
    then
	:
    else
        if test x"$simulate" = x0
        then
	    echo "$bd_packed" >"${basedir}/archpkg/${arch}/PASSWD-${src_version}.${realformat}"
	fi
    fi

    # >> Save configure options
    #
    if test x"$simulate" = x0
    then
        cp "${basedir}/configs/${arch}.configure" "${basedir}/archpkg/${arch}/configure-${src_version}.${realformat}"
    else
        printINFO "cp ${basedir}/configs/${arch}.configure ${basedir}/archpkg/${arch}/configure-${src_version}.${realformat}"
    fi

    printLOG "New package: ${arch}/samhain-${src_version}.${realformat}."
}