debian_apt-listchanges/debian/postinst.in

#!/bin/sh
# vim:set fileencoding=utf-8 et ts=4 sts=4 sw=4:

set -e

PREFERENCES=/etc/apt/listchanges.conf

. /usr/share/debconf/confmodule

runPython()
{
    temp=`tempfile -p aptlc -s .py`
    trap "rm -f $temp" EXIT
    cat > "$temp" << 'EOF'
#DEBCONF_HELPER_PY#
EOF
    python3 -B "$temp" "$@"
}

    
if [ "$1" = "configure" ]
then
    runPython postinst "$PREFERENCES" "$@"
    ucfr 'apt-listchanges' "$PREFERENCES"
    # Ignore whitespace-only difference (see #823514)
    diff -qwB "$PREFERENCES".new "$PREFERENCES" >/dev/null 2>&1 || \
      ucf --debconf-ok "$PREFERENCES".new "$PREFERENCES"
    rm -f "$PREFERENCES".new
fi

[ -z "$DEBCONF_RECONFIGURE" ] || exit 0

# Fix a bug introduced in 3.0
dbfile=/var/lib/apt/listchanges.db
if [ "$1" = "configure" ] && [ "$2" = "3.0" ] && [ "$dbfile.db" -nt "$dbfile" ]; then
    mv -f "$dbfile.db" "$dbfile"
fi

#DEBHELPER#