Replace mkdir + rm -rf + cp -a sequence with rsync --delete:
Before (3 commands):
sudo mkdir -p "$dst_path"
sudo rm -rf "$dst_path"
sudo cp -a "$src_path" "$dst_path"
After (2 commands):
sudo mkdir -p "$(dirname "$dst_path")"
sudo rsync -a --delete "${src_path}/" "${dst_path}/"
Benefits:
- Incremental copy: only transfers changed files on re-run
- Atomic delete + copy: --delete removes extra files in destination
- Preserves all attributes like cp -a
- Faster for large filestores when re-running migration
Added rsync to required commands check.
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