shithub: rc

ref: e521f81d706249dca82a45e18c0dcc1c1e0709ed
dir: /harmful/☭cp/

#!/bin/rc
tar c `'
'{diff <{lr -dQ $1 | sort} <{cd $2 && lr -dQ $1 | sort} | sed -n '/^< /s/^< //p'} | @{cd $2 && tar xT}