#!/bin/sh
# SourcesList evolutor

# gettext domain
TEXTDOMAIN="lliurex-up"
export TEXTDOMAIN

COMMON_LIBRARY="/usr/share/lliurex-up/common-upgrade-vars.sh"
if [  -r $COMMON_LIBRARY  ] ; then 
	. $COMMON_LIBRARY
fi

#gettext messages
INFO_MESSAGE="$(gettext "Change the software origins")"
BACKUP_SOURCES_LIST="$(gettext "Making a backup of sources.list file on /etc/apt/sources.list.backup-lliurex-up")"
CHANGED_SOURCES_LIST_MESSAGE="$(gettext "Software origins updated")"

# Methods
_info()
{
	echo "$INFO_MESSAGE"
}

_migrate()
{
	# Backup sources list
	echo "$CHANGED_SOURCES_LIST_MESSAGE"
	cp  -f $SOURCES_LIST_PATH $BACKUP_SOURCES_LIST_PATH
	
	# Change values
	sed -i "s%$OLD_GENERATION_PATTERN%$NEXT_GENERATION_PATTERN%g;s%$OLD_CODENAME%$NEXT_CODENAME%g" $SOURCES_LIST_PATH
     #echo "# Added by LliureX UP #" >> "$SOURCES_LIST_PATH"
     #echo "$SOURCES_LIST_OK" >> "$SOURCES_LIST_PATH"
     #echo "# Added by LliureX UP #" >> "$SOURCES_LIST_PATH"

	[ ! -f /etc/apt/preferences.d/lsb_lliurex_pinning ] || rm -f /etc/apt/preferences.d/lsb_lliurex_pinning	 
	echo "$CHANGED_SOURCES_LIST_MESSAGE"
}

_usage()
{
	echo "# Unknown argument"
}

_die()
{
	echo "Error: $1"
	exit 1
}

ACTION="$1"
case "$ACTION" in
	migrate)
		_migrate
	;;
	info)
		_info
	;;
	*)
		_usage
	;;
esac

exit 0