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#! /bin/sh

PREREQ=""
DESCRIPTION="Setting up locales..."

. /scripts/live-functions

prereqs()
{
       echo "$PREREQ"
}

case $1 in
# get pre-requisites
prereqs)
       prereqs
       exit 0
       ;;
esac

log_begin_msg "$DESCRIPTION"

if [ -e /root/etc/default/locale ]; then
    grep_file=/root/etc/default/locale
elif [ -e /root/etc/environment ]; then # Old locales policy
    grep_file=/root/etc/environment
fi

if [ -n "${grep_file}" ]; then
    # use rootfs configured locale
    locale=$(grep -s 'LANG=' ${grep_file} | sed s/'LANG='// | tr -d '"' )
else
    grep_file=/root/etc/default/locale
fi

# commandline
for x in $(cat /proc/cmdline); do
    case $x in
        debian-installer/locale=*)
			locale=${x#debian-installer/locale=}
			set_locale="true"
			;;
		locale=*)
			locale=${x#locale=}
			set_locale="true"
            ;;
    esac
done

if [ -z "${locale}" ]; then
    # Set a default one
    locale=en_US.UTF-8
    set_locale="true"
fi

if [ "${set_locale}" ]; then
    LANG=$(grep "^${locale}" /root/usr/share/i18n/SUPPORTED | grep UTF-8 |sed -e 's, .*,,' -e q)
    printf 'LANG="%s"\n' "${LANG}" >> "${grep_file}"
    printf '%s UTF-8\n' "${LANG}" > /root/etc/locale.gen
    chroot /root /usr/sbin/locale-gen "${LANG}"
fi

log_end_msg