POSTIN

/bin/sh

/usr/bin/localedef -i gv_GB -f UTF-8 gv_GB.UTF-8 -A /usr/share/locale/locale.alias 2>/dev/null
/usr/bin/localedef -i gv_GB -f ISO-8859-1 gv_GB -A /usr/share/locale/locale.alias 2>/dev/null

POSTUN

/bin/sh

if [ "gv_GB.UTF-8/UTF-8" = "0" ]; then
	# There is no way to remove locale data from the locale-archive cache
	# without rebuilding the entire thing...
	/usr/sbin/rebuild-locale-archive
fi