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FastSync/tests/test_delay_updates.h
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feat: implement --delay-updates receiver staging and publication
Stage every successfully written file under a private 0700 .fastsync-stage
directory inside the receive root and atomically publish all staged files
only after the whole protocol stream (manifest/delete handling included)
has completed, immediately before the success/outcome frame.  On any
abort/error before publication nothing is installed and staging is removed;
a publish failure aborts the transfer with best-effort cleanup of the
remainder (already-published files are not rolled back).  Crash leftovers
are wiped when the next delayed transfer starts.

Wire: new delay_updates config flag (selection-options block), protocol
version bumped to 2.6.0, client/server validation rejects --inplace.
CLI/usage/validation updated.  Works in single-threaded and -m modes
(exactly one write_thread stages files; the staged-file registry is
mutex-protected; publication runs once after both threads join).
--existing/--ignore-existing/--update decide against the final destination
at stage time; --backup is deferred to publication.  remove_source_files
outcomes are only sent after publication so skipped/unpublished sources are
never deleted.  Default (no flag) behavior is unchanged.

Tests: config wire round-trip, CLI parse, --inplace rejection, new
test_delay_updates unit suite (27 suites total), and integration
TestDelayUpdates covering single/-m parity, incremental reruns, remove
source files, receiver-skip ordering, and a deterministic publish-failure
abort path.
2026-09-06 13:20:03 +02:00

7 lines
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C

#ifndef TEST_DELAY_UPDATES_H
#define TEST_DELAY_UPDATES_H
void test_delay_updates(void);
#endif