(echo "$dir_added" | sed -e '/^$/d' | LC_ALL=C sort -u \
| LC_ALL=C join -v 1 - "$tmp"/ignore > "$tmp"/ignore-added
echo "$dir_removed" | sed -e '/^$/d' | LC_ALL=C sort -u \
- | LC_ALL=C join -v 1 - "$tmp"/ignore > "$tmp"/ignore-removed
+ > "$tmp"/ignore-removed
)
if test -s "$tmp"/ignore-added || test -s "$tmp"/ignore-removed; then
if $doit; then