Module sync 

Shared copy/sync engine – recursive directory copy, delta sync, stdin pipe. Shared copy/sync engine used by both fxcp CLI and foxingd sync command.

Provides recursive directory copy with auto-adaptive strategy selection (reflink -> copy_file_range -> sendfile -> io_uring), stdin pipe mode with compression auto-detection, delta copy via BLAKE3 Merkle trees, and foxingd-compatible signature generation.

Structs

FxcpCli

FxcpSnapCli

Snapshot management subcommands (MARS versioning)

ProgressTracker

Progress tracking for live reporting during copy operations.

SyncOptions

Options for a sync/copy operation (replaces CLI flags).

SyncStats

Copy statistics returned from sync operations.

Enums

SnapCommand

Functions

cli_main

Parse CLI args and run – used when foxingd is called as fxcp via symlink.

preserve_metadata

print_summary

Print a human-readable summary of sync results.

run

Run a sync operation with the given options.

store_foxing_signatures

Store foxingd-compatible sync signatures on the destination file.