feat(commands): backup: Add option --long #847

Job	Run time
Cross checking x86_64-pc-windows-msvc	10m 14s
Cross checking x86_64-pc-windows-gnu	2m 17s
Cross checking x86_64-apple-darwin	33s
Cross checking aarch64-apple-darwin	1m 48s
Cross checking x86_64-unknown-linux-gnu	14s
Cross checking x86_64-unknown-linux-musl	5m 2s
Cross checking aarch64-unknown-linux-gnu	5m 26s
Cross checking i686-unknown-linux-gnu	5m 21s
Cross checking x86_64-unknown-netbsd	5m 44s
Cross checking armv7-unknown-linux-gnueabihf	5m 44s
Result (Cross-CI)	1s
	42m 24s

Provide feedback