- Scope the --delete extras walk to directories synchronized by the
transfer: add a synchronized-directory section to the delete manifest
(protocol 2.23.0) so --files-from subsets no longer delete untransmitted
paths outside listed directory subtrees (data-loss fix).
- Separate --max-size/--min-size prune protection from --delete-excluded so
size-pruned source mirrors survive (rsync parity).
- Unlink extraneous destination symlinks instead of skipping them.
- Make --max-delete partial (delete up to N, skip the rest) and exit 25;
accept negative values as unlimited.
- Draw --delete-missing-args deletions from the shared --max-delete budget.
- Honor --force during --delay-updates publication.
Add unit and integration regression tests; update the pinned config wire
golden and version strings for the 2.23.0 manifest/status additions.
Read list files through utils_getdelim_bounded() so a single multi-gigabyte
line can no longer force unbounded allocation; over-long entries fail with a
clear error. Also add the documented memchr() NUL-byte check (excluding the
NUL delimiter in NUL-separated mode).
Tests: an over-long entry is rejected with an 'exceeds' diagnostic.
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