[gentoo][firefox][overlay]подскажите

# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI=2

inherit eutils mozextension

LANGS="af ak ar as ast be bg bn-BD bn-IN br bs ca cs cy da de el en-GB en-ZA \
eo es-AR es-CL es-ES es-MX et eu fa fi fr fy-NL ga-IE gd gl gu-IN he hi-IN hr \
hu hy-AM id is it ja-JP-mac ja ka kk km kn ko ku lg lt lv mai mk ml mn mr nb-NO \
nl nn-NO nso oc or pa-IN pl pt-BR pt-PT rm ro ru si sk sl son sq sr sv-SE ta-LK \
ta te th tr uk vi zh-CN zh-TW zu"
NOSHORTLANGS="en-GB es-AR es-CL es-MX pt-BR zh-CN zh-TW"
MY_PN="${PN/-bin}"
MY_PV="${PV/_alpha/a}"
MY_P="${MY_PN}-${MY_PV}"
REL_URI="http://ftp.mozilla.org/pub/mozilla.org/${MY_PN}/nightly/2011-07-06-03-08-33-mozilla-central-l10n"

for lang in ${LANGS}
do
        if [ ${lang} != "en-GB" ]
        then
                SRC_URI_LANG="${SRC_URI_LANG}
linguas_${lang%%-*}? ( ${REL_URI}/linux-i686/xpi/${MY_PN}-${MY_PV}.${lang}.langpack.xpi -> ${MY_P}.${lang}.xpi )"
                IUSE="${IUSE} linguas_${lang%%-*}"
        fi
done

DESCRIPTION="Firefox Web Browser"
SRC_URI="x86? ( ${REL_URI}/${MY_PN}-${MY_PV}.en-GB.linux-i686.tar.bz2 -> ${MY_P}.tar.bz2 )
amd64? ( ${REL_URI}/${MY_PN}-${MY_PV}.en-GB.linux-x86_64.tar.bz2 -> ${MY_P}_64.tar.bz2 )
${SRC_URI_LANG}"
HOMEPAGE="http://www.mozilla.com/firefox"                                                             
                                                                                                      
KEYWORDS="~amd64 ~x86"                                                                                
SLOT="0"                                                                                              
LICENSE="|| ( MPL-1.1 GPL-2 LGPL-2.1 )"                                                               
IUSE="${IUSE}"                                                                                        
                                                                                                      
DEPEND="app-arch/unzip"                                                                               
RDEPEND="dev-libs/dbus-glib                                                                           
x11-libs/libXrender                                                                                   
x11-libs/libXt                                                                                        
x11-libs/libXmu                                                                                       
>=x11-libs/gtk+-2.2:2                                                                                 
>=media-libs/alsa-lib-1.0.16                                                                          
!www-client/firefox"                                                                                  

S="${WORKDIR}/${MY_PN}"

linguas() {
        local LANG SLANG
        for LANG in ${LINGUAS}; do
                if has ${LANG} en en_US; then
                        has en ${linguas} || linguas="${linguas:+"${linguas} "}en"
                        continue
                elif has ${LANG} ${LANGS//-/_}; then
                        has ${LANG//_/-} ${linguas} || linguas="${linguas:+"${linguas} "}${LANG//_/-}"
                        continue
                        elif [[ " ${LANGS} " == *" ${LANG}-"* ]]; then
                        for X in ${LANGS}; do
                                if [[ "${X}" == "${LANG}-"* ]] && \
                                        [[ " ${NOSHORTLANGS} " != *" ${X} "* ]]; then
                                        has ${X} ${linguas} || linguas="${linguas:+"${linguas} "}${X}"
                                        continue 2
                                fi
                        done
                fi
                ewarn "Sorry, but ${PN} does not support the ${LANG} LINGUA"
        done
}

src_unpack() {
        use x86 && unpack ${MY_P}.tar.bz2
        use amd64 && unpack ${MY_P}_64.tar.bz2

        linguas
        for X in ${linguas}; do
                [[ ${X} != "en" ]] && xpi_unpack "${MY_P}.${X}.xpi"
        done
        if [[ ${linguas} != "" && ${linguas} != "en" ]]; then
                einfo "Selected language packs (first will be default): ${linguas}"
        fi
}

src_install() {
        declare MOZILLA_FIVE_HOME=/opt/${MY_PN}

        dodir /opt/
        dodir /opt/bin
        mv "${S}" "${D}"/opt/

        linguas
        for X in ${linguas}; do
                [[ ${X} != "en" ]] && xpi_install "${WORKDIR}"/"${MY_P}.${X}"
        done

        local LANG=${linguas%% *}
        if [[ -n ${LANG} && ${LANG} != "en" ]]; then
                elog "Setting default locale to ${LANG}"
                echo "pref(\"general.useragent.locale\", \"${LANG}\");" > "${D}/firefox"/defaults/pref/${MY_PN}.js || \
                        die "sed failed to change locale"
        fi

        dosym ${D}/opt/firefox/firefox /opt/bin/firefox
}