Verified folder & drive mirroring for macOS from the terminal. Copies only what changed, preserves Finder tags/xattrs/permissions, re-reads every copy with SHA-256 before saying SYNCED. A zero-dependency Swift alternative to rsync -a on the Mac.
macos swift cli backup mirror file-sync sha256 command-line-tool xattr backup-tool data-integrity apfs incremental-backup external-drive macos-cli bit-rot rsync-alternative verified-backup
-
Updated
Oct 19, 2026 - Swift