#! /bin/sh -e

# remove the python alternatives before installing our own python link

update-alternatives --auto /usr/bin/python >/dev/null 2>&1 || true
update-alternatives --remove python /usr/bin/python1.5 || true
update-alternatives --remove python /usr/bin/python2.1 || true
update-alternatives --remove python /usr/bin/python2.2 || true

[ -L /usr/share/doc/python/html ] || rm -rf /usr/share/doc/python/html

case "$1" in
    upgrade)
        if dpkg --compare-versions $2 lt 2.6.1-0ubuntu1; then
	    oldv=$(echo $2 | sed 's/^\(...\).*/\1/')
	    if [ "$DEBIAN_FRONTEND" != noninteractive ]; then
		echo "running python pre-rtupdate hooks for python2.6..."
	    fi
	    for hook in /usr/share/python/runtime.d/*.rtupdate; do
		[ -x $hook ] || continue
		if ! $hook pre-rtupdate python$oldv python2.6; then
		    hb=$(basename $hook .rtupdate)
		    echo >&2 "error running python pre-rtupdate hook $hb"
		    echo >&2 "running python failed-pre-rtupdate hook $hb"
		    $hook failed-pre-rtupdate python$oldv python2.6
		    errors=yes
		    break
		fi
	    done
	    [ -z "$errors" ] || exit 3
	fi
esac