rsync: This rsync lacks old-style --compress due to its external zlib. Try -zz

[wweir]

sshcode version: v0.10.0
client platform: macOS with latest rsync from brew
server platform: Archlinux with latest rsync

2020-04-18 09:16:33 INFO syncing settings
rsync: This rsync lacks old-style --compress due to its external zlib. Try -zz.
rsync error: syntax or usage error (code 1) at main.c(1578) [server=3.1.3]
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: error in rsync protocol data stream (code 12) at /AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/rsync/rsync-54/rsync/io.c(453) [sender=2.6.9]

[wweir]

maybe supply an embed ssh support by ssh package is a better choice than calling external binary.

[Merith-TK]

My PR, which has yet to be pulled, will add this in. just waiting on someone to merge it