# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
#

inherit eutils
ECLASS=scsh
INHERITED="$INHERITED $ECLASS"

LICENSE="as-is | BSD"
SLOT="0"
KEYWORDS="~x86"

IUSE="fhs scsh"

SCSH_SCSH_PATH=/usr/lib/scsh

set_layout() {

    if use fhs; 
        then
	    SCSH_LAYOUT=fhs
    else if use scsh; 
	        then 
	        SCSH_LAYOUT=scsh
	     else 
	        eerror "No layout was given."
	        einfo "Try to enable a layout, e. g."
	        einfo "USE='fhs' emerge ${PN}"
	        exit 1
	     fi
    fi
    export SCSH_LAYOUT
}

set_path_variables() {

    SCSH_VERSION="$(best_version 'app-shells/scsh')"
    SCSH_MV="${SCSH_VERSION%*.*}"
    SCSH_MV="${SCSH_MV//app-shells\/scsh-}"
    export SCSH_VERSION SCSH_MV

    case $SCSH_LAYOUT in
	fhs)
	  SCSH_PREFIX=/usr
      SCSH_MODULES_PATH=/usr/share/scsh-$SCSH_MV/modules
	;;
	scsh)
	  SCSH_PREFIX=/usr/lib/scsh/modules
	  SCSH_MODULES_PATH=/usr/lib/scsh/modules/$SCSH_MV
	;;
    esac
    export SCSH_PREFIX SCSH_MODULES_PATH

    SCSH_LIB_DIRS='"'${SCSH_MODULES_PATH}'"'" "'"'${SCSH_SCSH_PATH}'"'" "'"'.'"'
    export SCSH_LIB_DIRS 
}

scsh_src_unpack() {

    set_layout
    set_path_variables
    einfo "using $SCSH_LAYOUT layout"
    unpack ${A}
}
scsh_get_layout_conf() {

    SCSH_LAYOUT_CONF=" --build $CHOST 
                  --force
                  --layout $SCSH_LAYOUT 
                  --prefix $SCSH_PREFIX 
                  --no-user-defaults 
                  --dest-dir ${D}"
    export SCSH_LAYOUT_CONF 
}

scsh_src_compile() {

    get_layout_conf
}

scsh_src_install() {

    dodir $SCSH_MODULES_PATH
    scsh-install-pkg ${SCSH_LAYOUT_CONF} || die "./scsh-install-pkg failed"
}

scsh_pkg_postrm() {

    einfo "pkg_postrm"
}

scsh_pkg_postinst() {

    set_layout
    set_path_variables
    einfo "Consider to add something like" 
    einfo "SCSH_LIB_DIRS=""'"${SCSH_LIB_DIRS}"'"
    einfo "export SCSH_LIB_DIRS"
    einfo "into /etc/profile.local, /etc/skel/.bash_profile (or similar)"
    einfo "pkg_postinst"
}
 
EXPORT_FUNCTIONS src_unpack src_compile \
                 src_install get_layout_conf pkg_postinst