What is the correct adjective form of the word hire? I have seen references to both hireable and hirable. 

I checked using Google's Ngram viewer book search and it appears that both have been in use since the 1800s with hirable becoming a bit more popular in the past decade or so:




Question: What to do after a scp failure?
Answer: rsync --partial --progress --rsh=ssh $file_source $user@$host:$destination_file 


or

rsync --partial --progress --rsh=ssh $user@$host:$remote_file $destination_file