#!/bin/sh -e

if [ -e /usr/share/debconf/confmodule ]; then
    . /usr/share/debconf/confmodule
fi

# If the cron.daily script isn't there, then this is probably a new
# installation; don't show the message in that case.
# If the "installed version" is empty, this is definitely a new installation...

GO4IT=false

if [ ! -s /etc/cron.daily/tmpreaper -o -z "$2" ]; then
    db_fset tmpreaper/confignowexists seen true

# This debconf thing was introduced in version 1.5.1.
# Only if the installed version is less should the message be displayed.

elif dpkg --compare-versions "$2" ">>" "1.5.1"; then
    db_fset tmpreaper/confignowexists seen true
else
    db_input high tmpreaper/confignowexists || true
    GO4IT=true
fi

# If there isn't a tmpreaper.conf file, don't bother showing the note.
# Or if the default value for TMPREAPER_TIME is still there,
# also don't show the note.
if [ ! -f /etc/tmpreaper.conf ] ||
   [ "`grep '^TMPREAPER_TIME=7d$' /etc/tmpreaper.conf 2>/dev/null`" = "TMPREAPER_TIME=7d" ]; then
    db_fset tmpreaper/TMPREAPER_TIME seen true
else
    db_input high tmpreaper/TMPREAPER_TIME || true
    GO4IT=true
fi

# If upgrading, the user may not choose to replace the conffile,
# so then show a different note than to users newly installing.
if [ -z "$2" ]; then
    # newly installing
    db_fset tmpreaper/readsecurity_upgrading seen true # they must never see this note
    db_input high tmpreaper/readsecurity || true # ... only this one
elif dpkg --compare-versions "$2" "<<" "1.6.1"; then
    # upgrading (from older version)
    db_fset tmpreaper/readsecurity seen true # they must never see this other note
    db_input high tmpreaper/readsecurity_upgrading || true # ... only this one
    GO4IT=true
else
    # upgrading from newer version where it already was there
    :
fi


if $GO4IT; then
    db_go
fi


db_stop

exit 0