Address review findings on feat/rsync-parity:
- confine --temp-dir below the receive root (reject absolute/.. like
backup-dir/partial-dir); keep EXDEV non-atomic fallback
- floor server session I/O deadlines at SERVER_IO_TIMEOUT_SEC (60s) and
install it on the socket layer at startup (slow-loris)
- charge each --delete-missing-args directory removal once and clamp the
extras-walk remaining budget so it can never underflow past --max-delete
- normalize --compress-choice=auto to zstd client-side and accept it on
receive so auto transfers no longer fail
- map received --max-alloc=0 to MAX_SERVER_ALLOC (receive path only)
- zero File.dest_state; include log-file-format in report_dest_info;
add STATUS_DELETE_LIMIT name; recognize --skip-compress as a
separate-value option; OOM-guard send_list_only root entry; drop the
dead -M= branch; record the bare relative protected prefix for -R
size-prunes in both scanners; refresh delete-manifest comment
- pin the rsync tarball sha256 and bump integrator image to v11
Tests: temp-dir rejection/relative/cross-device, server timeout floor,
delete-missing dir budget regression, compress-choice=auto e2e,
max-alloc=0 receive mapping, dest_state, report_dest_info modes,
skip-compress dash value, -M short forms, -R root size-prune mirror
protection (rsync 3.4.1 confirmed).
- Add pytest-xdist to the CI Dockerfile (image -> v10).
- Worker-isolate TEST_DATA_DIR (PYTEST_XDIST_WORKER) so concurrent xdist
workers never collide on shared-filesystem fixtures.
- Register a 'ci' marker and tag a fast representative subset of integration
tests (basic TCP, incremental, compression, delete, basis, append).
- ci.yaml: lint + build + unit + the marked subset (-n4) on every PR; the
full integration suite plus sanitizer/fuzz/coverage/valgrind run only on
push to dev/main.
- Integration step runtime drops from ~860s (serial) to ~230s (-n4); the PR
gate lands well under ~3 minutes.
Unit (CLI): --fuzzy --no-incremental (either order) stays a valid plain-mode
config -- no forced handshake, no delta implication; --fuzzy --no-delta stays
covered.
Integration (TestFuzzy):
- worthless basis: a sibling that passes the name+size gates but shares no
blocks makes the sender reply STATUS_NEXT; the whole file is consumed inside
the delta handshake with byte-exact output (no protocol desync).
- non-displacement: an existing exact-path destination file INSIDE the delta
size bounds (same size, different content, older mtime) is used as the delta
basis instead of a byte-identical similar sibling (whole-file wire cost).
- asymmetric bases: basis larger than source (prefix reuse) and basis smaller
than source (appended tail as literals) both reconstruct byte-exactly with a
small delta.
- --no-fuzzy end-to-end equals the no-flag whole-file behavior.
CountingProxy closes its listener socket (fd hygiene).
Unit: parse -y/--fuzzy and --no-fuzzy negation (order-independent), -W and
--no-delta leave fuzzy inert, --fuzzy implies --incremental/--delta, and
validate_config rejects fuzzy with -s (chunk serialization) and -f
(sendfile). Config: fuzzy survives the socketpair wire round-trip.
Integration (TestFuzzy, byte counts via a new CountingProxy helper): the
rename case transfers a 2 MiB file in a few percent of its size with byte-
exact output under --fuzzy, while the no-fuzzy, no-candidate, dissimilar-
sibling and --whole-file runs send the whole file; -y alias; -m parity;
dest-holds-unsuitable-file falls back to the sibling; --delay-updates and
--remove-source-files keep their semantics on fuzzy transfers.
- Add session-scoped shared_server fixture to avoid 27+ server start/stop cycles
- Refactor test_tcp.py and test_features.py to use shared server
- Suppress server health-check probe stderr noise in common.py
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