+echo "===== compressed indexes (apt.conf.d option) ====="
+cat <<EOF > etc/apt/apt.conf.d/02compress-indexes
+Acquire::GzipIndexes "true";
+Acquire::CompressionTypes::Order:: "gz";
+EOF
+
+check_update
+check_indexes compressed
+check_cache
+check_install
+check_get_source
+
+echo "--- apt-get update with preexisting indexes"
+$APT_GET update
+check_indexes compressed
+check_cache
+
+echo "--- apt-get update with preexisting indexes and pdiff mode"
+$APT_GET -o Acquire::PDiffs=true update
+check_indexes compressed
+check_cache
+