## Summary
- recognize --cc as the rsync-compatible spelling of --checksum-choice
- validate both spellings as explicitly unsupported until checksum algorithms are implemented
- document the alias and add focused CLI parser tests
## Verification
- strict CMake build
- unit tests
- integration tests: 39 passed, 10 skipped, 1 xpassed
- clang-format
- cppcheck
Merged as part of the Phase 1 rsync-compatibility batch. Content was integrated into dev sequentially via local merges with conflict resolution, then pushed to origin/dev (HEAD 48dfd5d). The incremental-skip regression found during integration (nanosecond mtime comparison at default modify-window=0) was fixed in 48dfd5d. Verification: unit tests 25/25, integration 74 passed. Closing this PR since its changes are already in dev; Gitea's merge endpoint is unavailable (2FA).
Merged as part of the Phase 1 rsync-compatibility batch. Content was integrated into `dev` sequentially via local merges with conflict resolution, then pushed to `origin/dev` (HEAD 48dfd5d). The incremental-skip regression found during integration (nanosecond mtime comparison at default modify-window=0) was fixed in 48dfd5d. Verification: unit tests 25/25, integration 74 passed. Closing this PR since its changes are already in `dev`; Gitea's merge endpoint is unavailable (2FA).
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Summary
Verification
Merged as part of the Phase 1 rsync-compatibility batch. Content was integrated into
devsequentially via local merges with conflict resolution, then pushed toorigin/dev(HEAD48dfd5d). The incremental-skip regression found during integration (nanosecond mtime comparison at default modify-window=0) was fixed in48dfd5d. Verification: unit tests 25/25, integration 74 passed. Closing this PR since its changes are already indev; Gitea's merge endpoint is unavailable (2FA).Pull request closed